Electrical audio signal processing systems and devices patents - Monitor Patents
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Electrical audio signal processing systems and devices December patent applications/inventions, industry category 12/12

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
12/27/2012 > 41 patent applications in 28 patent subcategories. patent applications/inventions, industry category

20120328108 - Acoustic control apparatus: According to an embodiment, a control filter coefficient is calculated in such a manner that a second spatial average of one or more complex sound pressure ratios at one or more target binaural positions when a first loudspeaker and a second loudspeaker emit a second acoustic signal and a first... Agent: Kabushiki Kaisha Toshiba

20120328107 - Audio metrics for head-related transfer function (hrtf) selection or adaptation: A method includes detecting, via a first microphone coupled to a user's left ear, a sound, detecting, via a second microphone coupled to the user's right ear, the sound, determining a time difference between detection of the sound at the first microphone and detection of the sound at the second... Agent: Sony Ericsson Mobile Communications Ab

20120328110 - Decorrelating audio signals for stereophonic and surround sound using coded and maximum-length-class sequences: Methods and systems for processing an audio signal are provided. The method includes generating a pseudorandom sequence and generating at least one reciprocal of the pseudorandom sequence such that the at least one reciprocal is substantially decorrelated with the pseudorandom sequence. The pseudorandom sequence and the at least one reciprocal... Agent: Rensselaer Polytechnic Institute

20120328109 - Spatial sound reproduction: An apparatus for spatial sound reproduction comprises a receiver (101) for receiving a multi-channel audio signal. An analyzer (107) determines a spatial property of the multi-channel audio signal, such as a spatial complexity or organization. A selection processor (109) then selects a reproduction mode from a plurality of sound reproduction... Agent: Koninklijke Philips Electronics N.v.

20120328111 - Active delay method and a improved wireless binaural hearing device using the same method: Disclosed are an active delay method and an improved wireless binaural hearing device. The binaural hearing device includes: a first hearing device including a first microphone, an amplifier and a wireless transmitter; and a second hearing device including a second microphone, an amplifier, a wireless transmitter, a wireless receiver which... Agent: Kyungpook National University Academic Industry Cooperation Foundation

20120328112 - Reverberation reduction for signals in a binaural hearing apparatus: A more efficient method reduces reverberation in binaural hearing systems. This has been done by developing a method for obtaining a reduced-reverberation, binaural output signal, for a binaural hearing apparatus. First of all, a left input signal and a right input signal are provided. The two input signals are combined... Agent: Siemens Medical Instruments Pte. Ltd.

20120328113 - Control of a loudspeaker output: m

20120328114 - Audio controlling apparatus, audio correction apparatus, and audio correction method: According to one embodiment, audio controlling apparatus includes first receiver configured to receive audio signal, second receiver configured to receive environmental sound, masking gain calculator configured to calculate masking gain for each frequency band, based on audio signal and environmental sound, and gain controller configured to smooth masking gain of... Agent:

20120328115 - System for combining loudness measurements in a single playback mode: The present document relates to processing of multimedia data, notably the encoding, the transmission, the decoding and the rendering of multimedia data, e.g. audio files or bitstreams. In particular, the present document relates to the implementation of loudness control in multimedia players. A method for providing loudness related data to... Agent: Dolby Laboratories Licensing Corporation

20120328117 - Control of a loudspeaker output: A loudspeaker drive circuit uses a dynamic range compressor to implement a non-linear gain function between the input signal to the dynamic range compressor and an output signal from the dynamic range compressor. The output is used to drive a loudspeaker, and the operating parameters of the dynamic range compressor... Agent: Nxp B.v.

20120328116 - Microphone headset failure detecting and reporting: Embodiments of the invention include methods, apparatus, and systems for detecting a predicted future or current failure of a microphone of a headset. The failure may have been caused by organic matter buildup creating a signal path or short circuit across the microphone's circuitry. The headset is connected to a... Agent: Apple Inc.

20120328118 - Feedback control in a listening device: A listening device includes a) an input transducer; and b) an output transducer for converting a processed electric signal to an output sound; a forward signal path being defined there between and comprising c) a signal processing unit for processing an electric input signal or a signal derived therefrom and... Agent:

20120328119 - Inductive earphone coupling: A headphone or a headset having at least a first and a second earphone unit is provided, the first and second earphone units being interconnected via a connecting band, the connecting band having a first end configured to connect to the first earphone unit and a second end configured to... Agent: Gn Netcom A/s

20120328120 - Interface circuit: A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a TMDS transmission line, an Ethernet™ signal is bidirectionally transmitted, and also, a SPDIF signal is transmitted from the sink device... Agent: Sony Corporation

20120328122 - Method and apparatus for encoding and decoding noise signal: Provided is a method and apparatus for encoding/decoding an audio signal. Sections which are not used to output noise components near important spectral components and sub-bands which are not used to output noise components, are determined to be encoded or decoded, so that the efficiency of encoding and decoding an... Agent: Samsung Electronics Co., Ltd

20120328121 - Reconstructing an audio signal by spectral component regeneration and noise blending: An audio signal is conveyed more efficiently by transmitting or recording a baseband of the signal with an estimated spectral envelope and a noise-blending parameter derived from a measure of the signal's noise-like quality. The signal is reconstructed by translating spectral components of the baseband signal to frequencies outside the... Agent: Dolby Laboratories Licensing Corporation

20120328124 - Processing of audio signals during high frequency reconstruction: The application relates to HFR (High Frequency Reconstruction/Regeneration) of audio signals. In particular, the application relates to a method and system for performing HFR of audio signals having large variations in energy level across the low frequency range which is used to reconstruct the high frequencies of the audio signal.... Agent: Dolby International Ab

20120328123 - Signal processing apparatus, signal processing method, and program: Provided is a signal processing apparatus, including a filter unit that filters an audio signal created by decimating a portion of frequency components by an all-pass filter and outputs a filtering result thereof as improvement components to improve sound quality of the audio signal, and an adder that generates an... Agent: Sony Corporation

20120328125 - Audio controlling apparatus, audio correction apparatus, and audio correction method: According to one embodiment, an audio controlling apparatus includes a first receiver configured to receive audio signal, a second receiver configured to receive environmental sound, a temporary gain calculator configured to calculate temporary gain based on environmental sound received by second receiver, a sound type determination module configured to determine... Agent:

20120328126 - Audio signal processing circuit: A selector selects an analog audio signal input to one input port from among analog audio signals input to multiple input ports according to an instruction from the user. An analog gain control circuit amplifies the analog audio signal received from the selector, with a corresponding one of the gains... Agent: Rohm Co., Ltd.

20120328127 - Volume amplitude limiting device: A volume amplitude limiting device includes a volume adjustment unit, an amplitude limiting unit, and a control unit. The volume adjustment unit adjusts the amplitude of an input sound signal to a larger degree as the adjustment value increases and outputs the resulting sound signal. The amplitude limiting unit limits... Agent:

20120328128 - Method for artificially reproducing an output signal of a non-linear time invariant system: A method for artificially reproducing an output signal of a non-linear time invariant system includes the steps of inserting an input signal of exponential sine sweep type in the non-linear time invariant system, acquiring an output signal of the non-linear time invariant system corresponding to the input signal, obtaining a... Agent: Alma Mater Studiorum - Universita' Di Bologna

20120328129 - Control of a microphone: A microphone circuit has a clip detection circuit (30) which detects when an analogue to digital converter (ADC, 12) output has reached a threshold. A variable capacitance (34a, 34b, 34c, 34d), which functions as a variable input load associated with the microphone (11), is controlled based on the clip detection... Agent: Nxp B.v.

20120328130 - Parameter controlling apparatus: A parameter controlling apparatus has a CPU 201 and operation input portion 302, 303 and 305 which include an operating area 303 whose operated position can be detected, and accept input operation. The CPU 201 detects whether the operation input portion is operated in the first manner or the second... Agent: Yamaha Corporation

20120328131 - System for high efficiency vibratory acoustic stimulation: A system and method of driving a floating mass transducer with an analog input signal uIN(t), uIN(t) being between ground and VCC, is provided. The method includes converting uIN(t) to a binary rectangular signal uR(t) with two levels VCC and GND. A switching network is driven with uR(t) so as... Agent: Med-el Elektromedizinische Geraete Gmbh

20120328132 - Perforated miniature silicon microphone: This invention relates to a miniature silicon capacitive microphone having a perforated backplate supported on a substrate, a shallowly corrugated and perforated diaphragm that is suspended above said backplate and said suspended shallowly corrugated and perforated diaphragm is fully clamped and anchored on the said substrate at the edge of... Agent:

20120328133 - Loudspeaker and electronic devices incorporating same: The invention provides, in some aspects, electronic devices with improved radiators (or “passive drivers”) comprising an elastomerically mounted mass in order to improve sound reproduction fidelity. The mass comprises a component of the device not normally used for such purpose—e.g., a battery—thereby, permitting size reductions while, at the same time,... Agent: Dr. G Licensing, LLC

20120328134 - Personal audio equipment: A personal audio device comprises a first speaker housing (10) having a speaker (12) associated therewith, and a second speaker housing (18) having a speaker (20) associated therewith, wherein the first and second speaker housings (10, 18) are provided with wireless communication means whereby an audio signal can be transmitted... Agent:

20120328135 - Speaker system and method of operation therefor: A speaker system comprises a first speaker (203) and a second speaker (205). A driving circuit receives an audio signal and comprises a first drive circuit (209) generating a first drive signal for the first speaker (203) in response to a first filtering of the audio signal with a first... Agent: Koninklijke Philips Electronics N.v.

20120328136 - Multimedia player device: A multimedia player device includes an input module for receiving multimedia data; a projecting module electrically connected with the input module so as to output images; a virtual surround processing module electrically connected with the input module so as to calculate and process sound data; an amplifier module electrically connected... Agent:

20120328137 - Sound control apparatus, program, and control method: An apparatus may include a hardware processor and a storage medium. The storage medium may be coupled to the processor, and may store instructions. When executed by the processor, the instructions may cause the apparatus to receive a direction signal indicating a first direction in which a head of a... Agent:

20120328138 - Hearing instrument with an integral injection-molding casing: A hearing instrument has an integral injection-molding casing. The hearing instrument fixes the internal components in an integral casing that is simple in design; requires few components; and is easy to handle. The hearing instrument contains an integral casing and a frame arranged within the casing. The casing has an... Agent: Siemens Medical Instruments Pte. Ltd.

20120328139 - Behind-the-ear hearing aid having a plug-in connector: A behind-the-ear hearing device has a housing with a plug-in connector on a sidewall of the housing for connecting to an earpiece tube or sound tube. The lateral arrangement of the plug-in connector moves the plug-in connector away from the exposed position on the front end face of the housing.... Agent: Siemens Medical Instruments Pte. Ltd.

20120328140 - Horn enclosure for combining sound output: A horn enclosure combines sound output emanating from a plurality of acoustic drivers. The horn enclosure includes a plurality of sound input plenums, a plurality of flow passageways, and a common sound output chamber. Each of the input plenums is coupled to an acoustic driver for receiving generated sound output... Agent:

20120328141 - Porting: A ported electroacoustical device that uses the action of the port to provide cooling airflow across a heat producing device. The device includes a loudspeaker enclosure including a first acoustic port, an acoustic driver, mounted in the loudspeaker enclosure. The device also includes a heat producing device. The acoustic driver... Agent:

20120328142 - Microphone unit, and speech input device provided with same: A microphone unit includes first and second diaphragms; a substrate on a top surface of which are installed the first and second diaphragms; and a cover disposed covering the first and second diaphragms, the cover joined to an outside edge of the substrate and forming an internal space. There are... Agent: Funai Electric Co., Ltd.

20120328143 - Battery case of headphone and headphone having the same: A case for storing a battery which supplies drive power for a headphone includes a case body to which the battery is stored and which is capable of being inserted to an insertion hole formed at a headphone chassis and a lock pawl which is capable of being locked with... Agent:

20120328144 - Earphones: This invention provides novel earphones. In one embodiment, the earphones are configured for listening to music from a bust-mounted media player. In another embodiment, the earphones are configured for listening to music from an arm mounted media player.... Agent:

20120328145 - Wired earphone with coiled adhesive tape: An exemplary earphone includes a shell, a speaker received in the shell, and a wire electrically connecting with the speaker. The shell defines a sound cavity and a wire passage therein. The sound cavity and the wire passage communicate with each other. The speaker is received in the sound cavity.... Agent: Hon Hai Precision Industry Co., Ltd.

20120328146 - Sound producing device for vehicle: Sound generated by a sound emitting unit passes through a first sound passage defined between a first shielding board and a shielding cylinder and a second sound passage defined between a second shielding board and the shielding cylinder, and is emitted outside from a sound emitting hole defined in at... Agent: Anden Co., Ltd.

20120328147 - Speaker: A speaker is disclosed herein. And, in configuring a magnetic circuit of the speaker, unlike the vertical polarity alignment of the related art speaker, the polarities of the magnet are configured to be horizontally aligned, and a vibration system is configured on an inner side surface of the vertically configured... Agent: Asen Lab Co., Ltd

  
12/20/2012 > 35 patent applications in 31 patent subcategories. patent applications/inventions, industry category

20120321090 - System, medium, and method of encoding/decoding multi-channel audio signals: An system, method, and method of encoding/decoding a multi-channel audio signal, including a decoding level generation unit producing decoding-level information that helps a bitstream including a number of audio channel signals and space information to be decoded into a number of audio channel signals, wherein the space information includes information... Agent: Samsung Electronics Co., Ltd.

20120321091 - Method for the binaural left-right localization for hearing instruments: A method and system for improving signal-to-noise ratio of output signals of a microphone system having two or more microphones due to acoustic useful signals occurring at sides of the system, is used in hearing instruments, especially hearing aids worn on the head. High and low frequency portions (cut-off frequency... Agent: Siemens Medical Instruments Pte. Ltd.

20120321092 - Method for the binaural left-right localization for hearing instruments: A method and system for improving signal-to-noise ratio of output signals of a microphone system having two or more microphones due to acoustic useful signals at sides of the system are used in hearing instruments, especially hearing aids worn on the head. High and low frequency portions (cut-off frequency between... Agent: Siemens Medical Instruments Pte. Ltd.

20120321093 - Management unit with microphone: An example energy management unit (EMU) with diagnostic capabilities is provided. The EMU with can receive and identify the operational status of a device by receiving an audio signal from the device generated by the device's self diagnostic system. The EMU can decode the diagnostic information and retransmit the decoded... Agent: Sears Brands, LLC

20120321095 - Signature noise removal: A speech enhancement system improves the perceptual quality of a processed voice signal. The system improves the perceptual quality of a voice signal by removing unwanted noise components from a voice signal. The system removes undesirable signals that may result in the loss of information. The system receives and analyzes... Agent: Qnx Software Systems Limited

20120321094 - Sound exposure monitoring system and method for operating the same: A personal noise monitoring system and method for operating the same. Sound pressure data from inside the ears of a user of hearing protection device (HPD) are acquired from microphones in the HPD and reported to a master control unit. Simultaneously, the master control unit receives sound pressure data from... Agent: Adaptive Technologies, Inc.

20120321096 - Audio gain control using specific-loudness-based auditory event detection: In one disclosed aspect, dynamic gain modifications are applied to an audio signal at least partly in response to auditory events. In another aspect, an input channel is divided into auditory events by detecting changes in a measurable characteristic of the input signal with respect to time.... Agent: Dolby Laboratories Licensing Corporation

20120321097 - Headset signal multiplexing system and method: A system and method for supplying power to a headset, and for transmitting multiple signals generated in the headset to a terminal using frequency division multiplexing. An audio signal and a carrier signal are generated in the terminal and summed together to form a composite uplink signal. The composite uplink... Agent: Vocollect, Inc.

20120321098 - Providing broadcast listener participation: A listener participation interface allows listeners to generate playlists that include media elements selected from a library of available media elements. The playlists generated by the listener participation interface are automatically compatible with broadcast automation software used by a broadcaster, so that little, if any, modification of listener-submitted playlists is... Agent: Clear Channel Management Services, Inc.

20120321099 - Directionally radiating sound in a vehicle: A vehicle loudspeaker system in a vehicle including directional loudspeakers. One directional loudspeaker radiates sound at a first seating position and another loudspeaker radiates sound at a second seating position. The directional loudspeakers may be used with other vehicle loudspeakers to control spatial perceptions.... Agent:

20120321100 - Wide dynamic range microphone: A microphone system has an output and at least a first transducer with a first dynamic range, a second transducer with a second dynamic range different than the first dynamic range, and coupling system to selectively couple the output of one of the first transducer or the second transducer to... Agent: Analog Devices, Inc.

20120321101 - Wireless mic system for automatically paring: Disclosed is a wireless MIC system for automatically paring, which comprises a wireless MIC which includes a paring button at its one side and facilitates a connection mode as it is automatically paired with an amplifier by transmitting a paring request signal when the paring button is on, and initializes... Agent: Earzone Co., Ltd.

20120321102 - Method and apparatus creating a personal sound zone: A personal sound zone creating apparatus includes a broadside array adapted to generate a sound beam orthogonal to an arrangement of an array constituted by at least three transducers in a personal audio device. Therefore, the personal sound zone creating apparatus controls rear radiation by including an end-fire array increased... Agent: Samsung Electronics Co., Ltd.

20120321103 - In-ear headphone: A headphone device includes a housing having a leakage hole to reduce pressure between a user's ear and the housing, a speaker positioned within the housing, and an audio processing module. The audio processing module is configured to receive an audio signal from an audio device, determine whether the audio... Agent: Sony Ericsson Mobile Communications Ab

20120321104 - Automatic gain control of amplifier by dynamic suppressing and output control at multiple stages: A method and apparatus for automatic gain control of an amplifier in which the method and apparatus detects excessive increase in the sound volume or temperature rise in the audio system and reduces the gain of the amplifier by various means. Each gain control circuit has a comparator to compare... Agent:

20120321105 - Using multichannel decorrelation for improved multichannel upmixing: A system of linear equations is used to upmix a number N of audio signals to generate a larger number M of audio signals that are psychoacoustically decorrelated with respect to one another and that can be used to improve the representation of a diffuse sound field. The linear equations... Agent: Dolby Laboratories Licensing Corporation

20120321106 - Condenser microphone: A condenser microphone includes: a true condenser microphone (TCM) pickup operable to generate an input signal at a high impedance corresponding to sound picked up thereby; an impedance conversion circuit connected electrically to the TCM pickup, and operable to convert the input signal from the TCM pickup to a converted... Agent:

20120321108 - Electrode connection structure of speaker unit: An electrode connection structure of a speaker unit is provided. The speaker unit includes at least one electrode layer, which is made of a conductive material, or made of a non-conductive material with a conductive layer formed on a surface thereof. The electrode connection structure includes a conductive electrode and... Agent: Industrial Technology Research Institute

20120321107 - Speaker assembly with air retarding cushion: An exemplary speaker assembly includes a housing, a loudspeaker, a sound-guiding channel and a cushion with a plurality of meshes. The housing has a receiving chamber and an acoustic chamber. The loudspeaker is accommodated in the receiving chamber. The sound-guiding channel is formed in the acoustic chamber. The sound-guiding channel... Agent: Hon Hai Precision Industry Co., Ltd.

20120321109 - Headset systems and methods: A digital audio player device can be attached, adhered, or otherwise embedded into or upon a removable oral appliance or other oral device to form an intraoral MP3 player. In another embodiment, the device provide's an electronic and transducer device that can be attached, adhered, or otherwise embedded into or... Agent: Sonitus Medical, Inc.

20120321110 - Porous silica material and optical microphone using the same: A porous silica material in which silica particles are connected to one another three-dimensionally, wherein: the porous silica material includes a through hole including first pores smaller than a mean free path of an air, and second pores larger than the first pores; the porous silica material has a density... Agent: Panasonic Corporation

20120321111 - Electret condenser microphone: The present invention relates to an electret condenser microphone which comprises an exterior sidewall structure attached to a carrier. The exterior sidewall structure comprises a non-conductive base material carrying first and second electrical wiring patterns electrically connected to first and second electrical traces, respectively, of the carrier. A diaphragm holder,... Agent: Analog Devices A/s

20120321112 - Selecting a digital stream based on an audio sample: One or more digital streams can be selected from a number of digital streams using a portable device. Selection of the digital streams can be based on a comparison between the number of digital streams and an audio sample received via a microphone. Selection of the digital streams can additionally... Agent: Apple Inc.

20120321113 - Methods and apparatus for processing audio signals: Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a removable oral appliance to form a hearing aid assembly. Such an oral appliance may be a custom-made device which can enhance and/or optimize received audio signals... Agent: Sonitus Medical, Inc.

20120321114 - Hearing aid: A hearing aid (100) comprises a body case (2) that is worn behind an ear (1), a sound conductor (3) that is linked at one end to the body case (2) and is linked at the other end to an earpiece (6), and an engaging component (8) for holding the... Agent:

20120321115 - Apparatus for magnetic field induction in portable devices: An apparatus comprising at least one signal coil; and a connection plug, comprising a first electrical connector connected to one end of at least one signal coil and a second electrical connector connected to a second end of at least one signal coil.... Agent: Nokia Corporation

20120321116 - Speaker assembly with air retarding housing: An exemplary speaker assembly includes an enclosure, a loudspeaker, a sound-guiding channel, and a housing. The enclosure has a receiving chamber and an acoustic chamber. The loudspeaker is accommodated in the receiving chamber. The sound-guiding channel is formed in the acoustic chamber. The sound-guiding channel has a first end with... Agent: Hon Hai Precision Industry Co., Ltd.

20120321117 - Portable electronic device having sound emission holes aligned with speaker at recess of rear cover: An exemplary portable electronic device includes a front cover having a display panel mounted thereon, a rear cover connected to the front cover, and two speakers received between the front cover and the rear cover. The rear cover defines two recesses in two side portions thereof. Each side portion of... Agent: Hon Hai Precision Industry Co., Ltd.

20120321118 - Portable speaker device: A portable speaker device includes a cabinet shell body for receiving a speaker driver at a front tubular end thereof. A top wall of the cabinet shell body has a concavity defined by a recessed surface portion and front and rear inner surface portions. A handle lever is configured to... Agent: Mipro Electronics Co., Ltd.

20120321119 - Input-panel-equipped portable speaker device: An input-panel-equipped portable speaker device includes a cabinet shell body configured to enclose an accommodation chamber in a longitudinal direction, and having left and right mounting walls opposite to each other in a transverse direction. The left mounting wall has an inner peripheral region defining a fitting opening. The right... Agent: Mipro Electronics Co., Ltd.

20120321120 - Speaker apparatus: A speaker apparatus selects a path which emits a speaker sound. The speaker apparatus includes a speaker unit for outputting the sound generated from voice data, a body including at least one or more emission paths for guiding and emitting the sound output from the speaker unit, and a member... Agent: Samsung Electronics Co., Ltd.

20120321121 - Loudspeaker grille: A loudspeaker grille is disclosed. In accordance with one example, a loudspeaker grille includes a louver arrangement to be arranged in front of a chassis of a loudspeaker to protect membrane and suspension thereof. The louver arrangement includes a first and a second louver arranged on opposing sides of a... Agent: Harman Becker Automotive Systems Gmbh

20120321122 - Speaker: A speaker includes a frame, a magnetic circuit secured to the frame, a voice coil, a damper, and a diaphragm. The voice coil is inserted in a magnetic gap of the magnetic circuit. The damper is secured to the voice coil and the frame and formed with a plurality of... Agent:

20120321123 - Compact coaxial crossover-free loudspeaker: A loudspeaker assembly that converts electrical signal into sound waves in the full spectral range of an audio voltage. The loudspeaker assembly includes: a plurality of drivers; and a hollow volume permanent magnet that accommodates the voice coils. Each driver includes a cylindrically shaped voice coil affixed to a matching... Agent:

20120321124 - Diaphragm and micro-electroacoustic device incorporating the same: An exemplary diaphragm includes a central portion and an external portion connecting the central portion. The central portion includes a central section in a center thereof, a peripheral section at an outer periphery thereof, and a connecting section interconnecting the central section and the peripheral section. The peripheral section forms... Agent: Hon Hai Precision Industry Co., Ltd.

  
12/13/2012 > 28 patent applications in 20 patent subcategories. patent applications/inventions, industry category

20120314871 - Information processing apparatus, information processing method, and program: An information processing apparatus includes a storage, a sensor, a controller, and a sound output unit. The storage is capable of storing a plurality of sound information items associated with respective positions. The sensor is capable of detecting a displacement of one of the information processing apparatus and a user... Agent:

20120314872 - System and method for processing an input signal to produce 3d audio effects: A processing system for processing an input signal to produce three-dimensional audio effects is disclosed. The processing system comprises: a cue sending path configured to extract a set of binaural cues from the input signal and further configured to send at least a portion of the extracted set of binaural... Agent:

20120314873 - System for objective qualification of listener envelopment of a loudspeaker-room environment: A system quantifies listener envelopment in a loudspeakers-room environment. The system includes a binaural detector that receives frequency modulated audible noise signals from multiple loudspeakers. The binaural detector generates detected signals that are analyzed to determine an objective listener envelopment. The envelopment is based on binaural activity of one or... Agent: Harman Becker Automotive Systems Gmbh

20120314876 - Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information: An apparatus for extracting a direct and/or ambience signal from a downmix signal and spatial parametric information, the downmix signal and the spatial parametric information representing a multi-channel audio signal having more channels than the downmix signal, wherein the spatial parametric information has inter-channel relations of the multi-channel audio signal,... Agent: Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

20120314875 - Method and apparatus for encoding and decoding 3-dimensional audio signal: A method of encoding a multi-channel 3-dimensional (3D) audio signal mixed with a multi-channel 3D object signal is provided. The method includes: obtaining a location parameter indicating a virtual location of the multi-channel 3D object signal on a multi-channel speaker layout based on a gain value of the multi-channel 3D... Agent: Samsung Electronics Co., Ltd.

20120314874 - Two-wire digital audio interface: A digital audio interface may include two signal inputs to transmit audio data. A first signal line may carry digital serial audio data. The second signal line may carry a word clock signal to differentiate the serial audio data transmitted over the first signal line. In the case of stereo... Agent: Analog Devices, Inc.

20120314878 - Multichannel audio stream compression: A method for compressing an audio stream, including a plurality of signals, describing a sound scene produced by a plurality of sources in a space, by: identifying the sources from an audio stream; determining a frequency band, energy level and spatial position in the space for each of the identified... Agent: France Telecom

20120314879 - Parametric joint-coding of audio sources: The following coding scenario is addressed: A number of audio source signals need to be transmitted or stored for the purpose of mixing wave field synthesis, multi-channel surround, or stereo signals after decoding the source signals. The proposed technique offers significant coding gain when jointly coding the source signals, compared... Agent: Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

20120314877 - Sparse audio: A method comprising: sampling received audio at a first rate to produce a first audio signal; transforming the first audio signal into a sparse domain to produce a sparse audio signal; re-sampling of the sparse audio signal to produce a re-sampled sparse audio signal; and providing the re-sampled sparse audio... Agent: Nokia Corporation

20120314881 - Convertible filter: Apparatus and method for implementing a convertible filter in differing ones of its delay and weighting elements are powered through different power conductors, thereby enabling the convertible filter to be dynamically configured to be operable as different types of digital filter through selective provision of power to differing ones of... Agent:

20120314880 - Stereo headset amplifier: A driver circuit includes a first driver amplifier that is configured to generate a first output in response to a first reference voltage input and a first audio input; a second driver amplifier that is configured to generate a second output in response to the first reference voltage and a... Agent: Texas Instruments Incorporated

20120314882 - Production of ambient noise-cancelling earphones: The invention is intended to facilitate the production of ambient noise- cancelling earphones and, to that end, provides a module (30) comprising a microspeaker (34) and an electret microphone (38) both carried on a common substrate (32) which is also configured to incorporate an acoustic resistor (33, 35). The module... Agent: Incus Laboratories Limited

20120314883 - Apparatus and method for transmitting human sound for removing interference signal: Disclosed are an apparatus and a method for transmitting human sound that cancel an interference signal generated by a non-linear property of a human body around an ear by synthesizing and transmitting a sound signal modulated by a single side band (SSB) transmission method and a carrier to one output... Agent: Electronics And Telecommunications Research Institute

20120314884 - Portable streaming media device: A portable streaming media device connects to a wireless network, connects to a media stream (e.g., an audio stream or video stream) associated with a streaming media channel identified by channel information stored in memory, and processes the media stream for playback. The device can interpret input events based on... Agent:

20120314885 - Signal processing using spatial filter: A device and method processing microphone signals from at least two microphones is presented. A first beamformer processes the signals from the microphones and provides a first beamformed signal. A power estimator processes the signals from the microphones and the first beamformed signal from the first beamformer in order to... Agent: Rasmussen Digital Aps

20120314886 - Modifications of audio communications in an online environment: A system and method to modify audio communications in an online environment and, in particular, to modifying audio communications using one or more parameters. The system includes a module configured to detect one or more parameters applicable to an incoming audio communication and a weighing engine configured to weigh the... Agent: International Business Machines Corporation

20120314887 - Vibration unit of speaker: An exemplary vibration unit of a speaker includes a diaphragm and a coil connected to the diaphragm. The coil includes a main body, and a lead-out wire extending from a periphery of the main body. The lead-out wire includes a first segment extending from the periphery of the main body... Agent: Hon Hai Precision Industry Co., Ltd.

20120314888 - Speaker assembly: A speaker assembly includes a speaker housing with a closed top wall that is substantially planar and forms a support surface. A first midrange driver and a first tweeter are mirror images of a second midrange driver and a second tweeter. A first support bracket supports the first midrange driver... Agent:

20120314889 - Sound image localization control apparatus: An audio signal high frequency component controlled in terms of directivity is reproduced, or an audio signal high frequency component compensated in terms of frequency characteristic or controlled in terms of directivity is reproduced, such that the reflected sound comes from a direction in which the high frequency component is... Agent:

20120314890 - Wireless hearing assistance system and method: A hearing assistance system having a plurality of transmission units, a microphone arrangement and a digital transmitter for transmitting audio signals as audio data packets via a wireless digital audio link; at least one user worn receiver unit; a relay unit with a mixing unit for producing a mixed audio... Agent: Phonak Ag

20120314891 - Frequency reconfigurable digital filter and equalizer using the same: A frequency reconfigurable digital filter and an equalizer using the same are disclosed. The digital filter includes a sampling kernel storage section configured to store a sampling kernel for performing upsampling of a model filter response scaled by a sampling constant and generating response of Multi images which are repeatedly... Agent: Industry-university Cooperation Foundation Hanyang University

20120314892 - Hearing apparatus having a sensor unit and method of operating the hearing apparatus: A hearing apparatus has an input converter for converting an input signal into an electrical signal, an amplifier for amplifying the electrical signal and an output converter for converting the amplified electrical signal into an output signal, and a battery compartment, into which a battery for supplying electrical energy at... Agent: Siemens Medical Instruments Pte. Ltd.

20120314893 - Hearing aid with integrated telecoil and battery recharge coil: A hearing aid is powered by a rechargeable battery and senses a sound signal being a magnetic field using a telecoil. The hearing aid includes a battery recharge coil for receiving power from a hearing aid charger via an inductive couple. The telecoil and the inductive coil are integrated into... Agent: Starkey Laboratories, Inc.

20120314894 - Audio towing handle: One embodiment provides a system and method for an audio handle. The audio handle includes a rope, the rope including a first end operable to be attached to a vehicle for towing a user. The audio handle further includes a handle connected to the rope. The handle includes one or... Agent:

20120314895 - Sheath to mask electrical conductor: A portable, flexible cover connected between a source of signals such as an MP3 player and headphones, the flexible cover comprising a substantially flat and flexible surface encapsulating a conductor yet substantially resting on a surface or on the body of a wearer and have a design to mask the... Agent:

20120314896 - Retractable audio cord device: A retractable audio cord device comprising a housing to contain a plurality of internal components; a retraction button attached to the surface of the housing, where the retraction button activates a spool within the housing; a set of receivers around an edge of the housing, where the set of receivers... Agent:

20120314897 - Method and apparatus for high speed digital communication using 5-pole terminals: An ear plug apparatus using a 5-pole connection terminal is provided. The apparatus includes an ear plug and at least one connection terminal. The at least one connection terminal is attached to the ear plug. At least one connection terminal is positioned at an end of a body of the... Agent: Samsung Electronics Co., Ltd.

20120314898 - High efficient miniature electro-acoustic transducer with reduced dimensions: A magnetic circuit includes an inner permanent magnet assembly and an outer permanent magnet assembly, a magnetically permeable yoke, and first and second air gap portions conducting first and second magnetic flux densities, respectively, the first and second air gap portions being adapted to receive first and second voice coil... Agent: Gettop Europe R&d Aps

  
12/06/2012 > 58 patent applications in 37 patent subcategories. patent applications/inventions, industry category

20120308013 - Method and apparatus for reducing tdma noise in mobile communication terminal: A mobile terminal includes an apparatus for reducing Time Division Multiple Access (TDMA) noise in the mobile communication terminal. The apparatus includes a first output path including a resistance element; a second output path not including a resistance element; a modem for, when detecting an event for outputting an audio... Agent: Samsung Electronics Co., Ltd.

20120308014 - Audio playback device and method: A method and apparatus is for outputting audio files to a user to enable selection of one of the audio files by the user. At least two independent audio files are played simultaneously, distributed differently over a set of speakers, thereby to appear to the user to originate from different... Agent: Nxp B.v.

20120308015 - Method and apparatus for stereo to five channel upmix: An apparatus comprising at least one processor and at least one memory including computer program code The at least one memory and the computer program code is configured to, with the at least one processor, cause the apparatus at least to perform determining a covariance matrix for at least one... Agent: Nokia Corporation

20120308016 - Matrix encoder with improved channel separation:

20120308017 - Method, apparatus, and system for encoding and decoding multi-channel signals: A method, an apparatus, and a system for encoding and decoding multi-channel signals are disclosed. The method for encoding multi-channel signals includes: determining the category of an index corresponding to a channel level difference (CLD) which needs to be quantized in a current frame; quantizing the CLD of at least... Agent: Huawei Technologies Co., Ltd.

20120308018 - Stereo signal down-mixing method, encoding/decoding apparatus and encoding and decoding system: Embodiments of the present invention provide a stereo signal down-mixing method, encoding/decoding apparatus and system. The down-mixing method includes: converting a first channel time-domain signal and a second channel time-domain signal into a first channel frequency-domain signal and a second channel frequency-domain signal; obtaining a frequency-domain channel signal level difference... Agent: Huawei Technologies Co., Ltd.

20120308019 - Method and apparatus for a binaural hearing assistance system using monaural audio signals: The present application provides method and apparatus for a binaural hearing assistance system using a monaural audio signal input. The system, in various examples, provides adjustable delay/phase adjustment and sound level adjustment. Different embodiments are provided for receiving the monaural signal and distributing it to a plurality of hearing assistance... Agent: Starkey Laboratories, Inc.

20120308020 - System and method for measuring and validating the occlusion effect of a hearing aid user: A system for estimating the occlusion effect comprises a hearing aid adapted for being set up for operation in an occlusion measurement mode. The hearing aid comprises a first transducer (9) for transforming an acoustic sound level external to a hearing aid user's ear canal into a first electrical signal.... Agent: Widex A/s

20120308022 - Signal processing device and signal processing method: There is provided a signal processing device s including a noise cancellation process clock generation unit configured to generate a noise cancellation process clock having a predetermined fixed frequency, a noise canceling unit configured to include a noise canceling filter operating based on the noise cancellation process clock and generating... Agent: Sony Corporation

20120308021 - Speaker damage prevention in adaptive noise-canceling personal audio devices: A personal audio device, such as a wireless telephone, includes noise canceling circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise signal into the speaker or other transducer output to cause cancellation of ambient audio sounds. A processing circuit monitors a level of... Agent:

20120308025 - Adaptive noise canceling architecture for a personal audio device: A personal audio device, such as a wireless telephone, includes an adaptive noise canceling (ANC) circuit that adaptively generates an anti-noise signal from a reference microphone signal that measures the ambient audio and an error microphone signal that measures the output of an output transducer plus any ambient audio at... Agent:

20120308024 - Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (anc): A personal audio device, such as a wireless telephone, includes noise canceling circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise signal into the speaker or other transducer output to cause cancellation of ambient audio sounds. An error microphone may also be provided... Agent:

20120308028 - Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (anc): A personal audio device, such as a wireless telephone, includes noise canceling that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise signal into the speaker or other transducer output to cause cancellation of ambient audio sounds. An error microphone is provided proximate the speaker... Agent:

20120308027 - Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices: A personal audio device, such as a wireless telephone, includes an adaptive noise canceling (ANC) circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise signal into the speaker or other transducer output to cause cancellation of ambient audio sounds. An error microphone is... Agent:

20120308026 - Filter architecture for an adaptive noise canceler in a personal audio device: A personal audio device, such as a wireless telephone, includes an adaptive noise canceling (ANC) circuit that generates an anti-noise signal from a reference microphone signal and injects the anti-noise signal into the speaker or other transducer output to cancel ambient audio sounds. A processing circuit implements one or more... Agent:

20120308029 - Adaptive filtering system: An audio system with at least one audio channel may include a digital audio processor in which at least one digital filter is implemented for each channel. The digital filter of each channel may include: an analysis filter bank configured to receive a broad-band input audio signal and divide the... Agent: Harman Becker Automotive Systems Gmbh

20120308023 - Active noise control system for exhaust systems and method for controlling the same: An active noise control system for exhaust systems of a combustion engine operated vehicle comprises an anti-sound control connectable to an engine control of the vehicle and a loudspeaker connected to the control for receiving control signals and designed for generating an anti-sound in a sound generator, fluidically connectable to... Agent: J. Eberspaecher Gmbh & Co. Kg

20120308030 - Communications headset power provision: Electric power is provided to a two-way communications headset by creating a differential DC voltage potential between a ground conductor associated with a microphone of that headset and a ground conductor associated with an acoustic driver of that headset, thereby enabling that headset to refrain from drawing electric power from... Agent:

20120308031 - Earphone pulling and plugging detection circuit: Earphone plugging and unplugging detection circuits are disclosed in the present invention, wherein one of the circuits includes a left sound channel (L) pin, a first pin which can be connected and disconnected with the L pin, a right sound channel (R) pin, and a second pin which can be... Agent: Zte Corporation

20120308033 - Communication node for venue-oriented communications: Methods and systems for providing a communication node for venue-oriented communications are presented. An example system may include a network interface, at least one processor, and memory storing modules including instructions for execution by the processor. The network interface may be communicatively coupled with a wireless access device in communication... Agent: Airborne Media Group

20120308032 - Systems and methods for providing multiple audio streams in a venue: Methods and systems for providing multiple audio streams, such as, for example, those audio streams that may be available in a public venue, are presented. An example system may include a plurality of audio relay devices and an access device. Each of the audio relay devices may receive an audio... Agent: Airborne Media Group

20120308034 - Wireless sound transmission system and method: A system providing sound to a user, having at least one audio signal source; a transmission unit with a digital transmitter which transmits audio signals via a wireless digital audio link as audio data packets, each packet having a start frame delimiter, audio data and a frame check sequence; at... Agent: Phonak Ag

20120308035 - Venue-oriented social functionality via a mobile communication device: Methods and systems for social functionality via a mobile communication device are presented. An example system may include an access device and a communication node. The access device may be located at a commercial venue and communicatively coupled via a local area network with a mobile communication device located at... Agent: Airborne Media Group

20120308036 - Speed dependent equalizing control system: A speed dependent equalizing control system for automated design of gain and equalization filter parameters can be used for volume and velocity dependent equalization of audio signals reproduced in a vehicle. The system is configured to develop volume-dependent power spectral density estimations based on a test signal received at a... Agent: Harman Becker Automotive Systems Gmbh

20120308037 - Microelectromechanical microphone chip having stereoscopic diaphragm structure and fabrication method thereof: A microelectromechanical microphone chip having a stereoscopic diaphragm structure includes a base, having a chamber; a diaphragm, disposed on the chamber and having steps with height differences; and a back plate, disposed on the diaphragm, forming a space with the diaphragm in between, and having a plurality of sound-holes communicating... Agent:

20120308040 - Microphone array calibration method and apparatus: An apparatus for providing real-time calibration for two or more microphones. A calibrator for receiving a left microphone signal and a right microphone signal and generating phase difference data. A phase and amplitude correction system for receiving one of the left microphone signal or the right microphone signal the phase... Agent:

20120308038 - Sound source localization apparatus and method: Sound source localization apparatuses and methods are described. A frame amplitude difference vector is calculated based on short time frame data acquired through an array of microphones. The frame amplitude difference vector reflects differences between amplitudes captured by microphones of the array during recording the short time frame data. Similarity... Agent: Dolby Laboratories Licensing Corporation

20120308039 - Sound source separation system, sound source separation method, and acoustic signal acquisition device: A sound source separation system separates a target sound and a disturbance sound coming from an arbitrary direction other than the direction the target sound comes from. The system includes different-directional-signal-group generators and a sensitive region formation unit. The generators each generate two or more combinations of spectra of signals... Agent: Waseda University

20120308041 - Circuit assembly for processing an electrical signal of a microphone: A circuit assembly for processing an electrical signal of a microphone is provided. The microphone has an inherent impedance. The circuit assembly comprises an impedance circuit, a signal processing unit, a first electrical signal path, and a second electrical signal path. The first electrical signal path is coupleable to a... Agent: Sony Ericsson Mobile Communications Ab

20120308043 - Acoustic manipulator element: According to an exemplary embodiment of the present invention, an acoustic manipulator element is provided. The acoustic manipulator element is arrangable relatively to an acoustic source in a manner that the acoustic manipulator element splits frequency selectively sound waves originating from the acoustic source in a reflected and a through... Agent:

20120308042 - Subwoofer volume level control: An automatic adjustment of subwoofer volume levels relative to the main audio system volume and more specifically, to an improved algorithm control method for sub varying volume which allows adjustment of only the low frequency tones from the subwoofer relative to the main system volume.... Agent: Visteon Global Technologies, Inc.

20120308044 - Muting participants in a communication session: In general, this disclosure describes techniques for muting participants in a communication session. A communication session, such as a teleconference or a video conference, may be established between a plurality of participants using devices. Each participant engaged in the communication session may be authorized to mute or un-mute other participants.... Agent: Google Inc.

20120308046 - Class d micro-speaker: A micro-speaker. The micro-speaker includes a first plate, a second plate, and a diaphragm. The first plate is biased to a first voltage. The second plate is biased to a second voltage. The diaphragm is positioned between the first plate and the second plate and is configured to receive a... Agent: Robert Bosch Gmbh

20120308048 - Communications headset power provision: Electric power is provided to a two-way communications headset by creating a differential DC voltage potential between a ground conductor associated with a microphone of that headset and a ground conductor associated with an acoustic driver of that headset, thereby enabling that headset to refrain from drawing electric power from... Agent:

20120308045 - Microphone assemblies with through-silicon vias: Microphone assemblies may be provided that have microelectromechanical systems microphones and associated application-specific integrated circuits mounted to printed circuit boards. The application-specific integrated circuits may contain amplifier circuitry for amplifying microphone signals from the microphone. One or more though-silicon vias may be formed in the application-specific integrated circuit that serve... Agent:

20120308047 - Self-tuning mems microphone: A self-tuning MEMS microphone. The microphone includes a capacitive sensor, an amplifier, a signal converter, a frequency generator, a micro-speaker, and a controller. The capacitive sensor is configured to detected a sound wave and output an electric signal based on the sound wave. The amplifier is coupled to the capacitive... Agent: Robert Bosch Gmbh

20120308049 - Apparatus and method for generating audio output signals using object based metadata: An apparatus for generating at least one audio output signal representing a superposition of at least two different audio objects comprises a processor for processing an audio input signal to provide an object representation of the audio input signal, where this object representation can be generated by a parametrically guided... Agent: Fraunhofer-gesellschaft Zur Foerderung Der Angew Angewandten Forschung E.v.

20120308050 - Efficiency optimizer of an audio power amplifier for car radio: The present invention concerns an audio amplifier circuit designed to provide an output signal to an audio transducer, said audio amplifier circuit comprising an audio power amplifier designed to receive an audio signal and designed to generate said output signal, a sensor designed to detect an audible sound having at... Agent: Stmicroelectronics S.r.i.

20120308051 - Method and arrangement for driving a microphone: Disclosed is a differential microphone pre-amplifier circuit (120) for providing an amplified differential signal at a first (A) and a second (B) output terminal of the microphone pre-amplifier (120), including a first voltage controlled current generator (101), a second voltage controlled current generator (102) and a third voltage controlled current... Agent: Research Electronics Leksand Ab

20120308052 - Microphone assembly: Described herein is a microphone assembly for an electronic device incorporating a microphone. The microphone assembly includes a microphone interface that enables direct coupling of inputs from the microphone to a preamplifier. For the purpose, the microphone interface includes a DC servo loop. The DC servo loop provides a DC... Agent:

20120308053 - Plate, transducer and methods for making and operating a transducer: A plate, a transducer, a method for making a transducer, and a method for operating a transducer are disclosed. An embodiment comprises a plate comprising a first material layer comprising a first stress, a second material layer arranged beneath the first material layer, the second material layer comprising a second... Agent: Infineon Technologies Ag

20120308054 - Speaker set for portable electronic device: An exemplary speaker set includes a shell and a speaker. The shell includes a bottom cover and a top cover engaging with the bottom cover. The bottom cover and the top cover cooperatively define a resonance chamber therebetween. The bottom cover defines a through hole therein. The top cover defines... Agent: Hon Hai Precision Industry Co., Ltd.

20120308055 - Smart material actuator capable of operating in three dimensions: A smart material actuator having more than two actuating arms, more than two mechanical webs, and being driven by a piezo or other smart material device within an enclosed compensator, and which may be adapted for use as an actuator, an energy capture device, or a sensor. In certain embodiments,... Agent: Viking At, LLC

20120308056 - Three-dimensional sound apparatus: Binaural recording stored in a reproducing-use sound source portion is recorded by giving an ultrasonic modulated sound from a recording-use ultrasonic wave speaker to a dummy head. A cross talk is suppressed; thus, the binaural recording is obtained with clear sonic localization information while localization of pronunciation orientation can be... Agent: Denso Corporation

20120308057 - Mixing of in-the-ear microphone and outside-the-ear microphone signals to enhance spatial perception: This document provides a hearing assistance device for playing processed sound inside a wearer's ear canal, the hearing assistance device comprising a first housing, signal processing electronics disposed at least partially within the first housing, a first microphone connected to the first housing, the first microphone adapted for reception of... Agent: Starkey Laboratories, Inc.

20120308058 - Antennas for hearing aids: An antenna configured in a hybrid circuit provides a compact design for a hearing aid to communicate wirelessly with a system external to the hearing aid. In an embodiment, an antenna includes metallic traces in a hybrid circuit that is configured for use in a hearing aid. The antenna includes... Agent: Starkey Laboratories, Inc.

20120308059 - Hearing assistive system with low power interface: A communications interface provides for communications between a wireless communication device and a hearing assistive device. The communications interface converts a signal, including an audio signal, received from the wireless communication device into a format recognizable by a hearing assistive device. The communications interface generates a communication signal including the... Agent:

20120308060 - Diminishing tinnitus loudness by hearing instrument treatment: A listening device comprises an input transducer providing an electric input signal comprising audio and a detector coupled to the input transducer, for determining whether the electric input signal is a broadband signal or not and providing a detection signal in response. The listening device furthermore comprises a controllable filter... Agent: Oticon A/s

20120308061 - Hearing aid having improved rf immunity to rf electromagnetic interference produced from a wireless communications device: A hearing aid has improved immunity to RF electromagnetic interference produced from wireless communications devices. A microphone receives audio signals from the environment. Audio circuitry is connected to the microphone and amplifies the audio signals. A speaker is connected to the audio circuitry and directs the audio signals into an... Agent: Research In Motion Limited

20120308062 - Direct drive micro hearing device: A device and methods are provided for a hearing device. In one embodiment, a hearing device includes a microphone to receive sound, an interactive tip and actuator. The actuator can include an actuator element and preload force element to place the interactive tip in contact with a portion of an... Agent: The Regents Of The University Of California A California Corporation

20120308063 - Drive unit mounting arrangement and loudspeaker: The present invention provides a novel drive unit mounting arrangement, in which a drive unit having a chassis is mounted to a cabinet from at least two sides. The arrangement comprises a member for securing the drive unit to the cabinet from mounting points of the chassis. The arrangement further... Agent: Genelec Oy

20120308064 - Mobile device protective case with built-in speaker system: A mobile device protective case is provided that facilitates the playback of audio via an imbedded speaker system. The protective case comprises a front portion, a rear portion hingedly secured thereto, an TRS connector auxiliary (AUX) audio jack, a signal processing means, at least one speaker and a power source.... Agent:

20120308065 - Sound bar: A sound bar includes a housing, a rotary member, first and second speaker boxes, and a gear mechanism. The rotary member is rotatable with respect to the housing. The first and second speaker boxes are slidable with respect to the housing, respectively. The first and second speaker boxes are disposed... Agent: Funai Corporation Inc.

20120308066 - Combined micro-electro-mechanical systems microphone and method for manufacturing the same: A combined MicroElectroMechanical Systems (MEMS) microphone includes a first substrate, a second substrate, a vibrating diaphragm, a backplate, and an accommodating slot. The first substrate has a first chamber, the vibrating diaphragm is disposed on the first chamber, the second substrate has a second chamber, one side of the backplate... Agent:

20120308067 - Headphone 3d hearing technology: c

20120308068 - Head multi-directional audio device: A head multi-directional audio device comprises: a head-wear member, which has two broadcasting devices, one buffer structure and two folding portions, the two broadcasting devices are with two sounding portions at the two external sides thereof, the two broadcasting devices are extended toward the right hand side and left hand... Agent:

20120308069 - Apparatus and system for playing audio signals from an audio source: An apparatus and system to play audio signals from an audio source is disclosed. The apparatus is positionable within a fistula defining a channel extending through a pinna of an ear of a user from a first surface of the pinna to a second surface of the pinna such that... Agent:

20120308070 - Slim type speaker and magnetic circuit therefor: A magnetic circuit and a speaker including the magnetic circuit. The speaker includes: a bottom case; a magnetic circuit including a perpendicular-magnetized permanent magnet and a horizontal-magnetized permanent magnet spaced apart from each other by a predetermined interval; a diaphragm; a voice coil attached on a surface of the diaphragm,... Agent: Bse Co., Ltd.

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