|Electrical audio signal processing systems and devices patents - Monitor Patents|
USPTO Class 381 | Browse by Industry: Previous - Next | All
10/2011 | Recent | 14: Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 13: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 12: Dec | Nov | Oct | Sep | Aug | July | June | May | April | Mar | Feb | Jan | 11: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 10: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 09: Dec | Nov | Oct | Sep | Aug | Jl | Jn | May | Apr | Mar | Fb | Jn | | 2008 | 2007 |
Electrical audio signal processing systems and devices October categorized by USPTO classification 10/11Below 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. 10/27/2011 > 28 patent applications in 24 patent subcategories. categorized by USPTO classification
20110261966 - Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters: A method and system for applying reverb to an M-channel down-mixed audio input signal indicative of X individual audio channels, where X is greater than M. Typically, the method includes steps of: in response to spatial cue parameters indicative of spatial image of the downmixed input signal, generating Y discrete... Agent: Dolby International Ab
20110261965 - Talk-through listening device channel switching: A talk-through system for hearing protectors such as headphones, helmets, earplugs and the like, in which separate left and right microphones are controlled by separate left and right switches. The microphones allow ambient sound to be heard by the wearer of the hearing protector, and normally the wearer hears audio... Agent: Red Tail Hawk Corporation
20110261967 - Apparatus for generating a multi-channel audio signal: An apparatus for generating a multi-channel audio signal based on an input audio signal comprises a main signal upmixer, a section selector, a section signal upmixer and a combiner. The main signal upmixer is configured to provide a main multi-channel audio signal based on the input audio signal. The section... Agent: Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.
20110261968 - Method and apparatus for controlling gain in multi-audio channel system, and voice processing system: A method and an apparatus for controlling gain in a multi-audio channel system as well as a voice processing system are disclosed. The method includes: judging whether signals on any audio channels are similar or correlated; sorting audio channels of similar or correlated signals into one group if the similar... Agent: Huawei Device Co., Ltd.
20110261969 - Biphase mark code decoder and method of operation: Biphase mark codes (BMC) are used in digital communications. Most BMC formats use preambles for rate determination and synchronization. A decoder compares the intervals of continuous high or continuous low voltages in a BMC stream to predetermined minimum and maximum values of half cell, full cell and one-and-a-half cell intervals... Agent:
20110261970 - Noise modifying overhead audio system: An overhead audio system for use in a vehicle, the overhead audio system includes multiplexor for receiving an input signal from a plurality of audio sources and for transmitting an output signal; a noise detection sensor for detecting a noise and providing noise data; an audio processor for processing the... Agent: Johnson Controls Technology Company
20110261971 - Sound signal compensation apparatus and method thereof: According to one embodiment, a sound signal compensation apparatus includes an input module, a compensation module, and an output module. The input module receives identification information identifying a first frequency with regard to a resonance of an ear closed by an earphone or headphone. The compensation module performs first compensation... Agent:
20110261972 - Mixing board for audio signals: c
20110261973 - Apparatus and method for reproducing a sound field with a loudspeaker array controlled via a control volume: Method and, apparatus for implementing the method, the method comprising determining control signal data for an array of loudspeakers, the control signal data being such as to control the loudspeakers to produce a desired sound field associated with an audio signal, the method comprises determining control signal data for different... Agent:
20110261975 - Low cost noise floor reduction: A method and system to reduce the noise floor of a communications system is disclosed. The system may be incorporated into any device that provides binary samples from a datastream, such as a cordless telephone system. The system is configured to determine a number of bits of the binary samples... Agent:
20110261974 - Output circuit for audio codec chip: An output circuit for audio codec chip includes an audio amplifier chip and a noise eliminating circuit electrically connected to the audio codec chip and the audio amplifier chip. The audio amplifier chip receives audio signals form the audio codec chip and outputs amplified audio signals. The noise eliminating circuit... Agent: Hon Hai Precision Industry Co., Ltd.
20110261976 - Signal amplifying circuit and signal amplifying method: A signal amplifying circuit is provided. The signal amplifying circuit includes a signal amplifier and a control circuit. The control circuit includes a compare unit and a register unit. The compare unit compares an input signal of the signal amplifier with a reference signal to generate a compare signal. The... Agent: Via Telecom, Inc.
20110261977 - Signal processing device, signal processing method and program: A signal processing device includes a signal transform unit which generates observation signals in the time frequency domain, and an audio source separation unit which generates an audio source separation result, and the audio source separation unit includes a first-stage separation section which calculates separation matrices for separating mixtures included... Agent: Sony Corporation
20110261978 - Electronic apparatus: According to one embodiment, an electronic apparatus includes a speaker, a terminal, a first detector, a second detector, an amplifier, a power supply circuit and a control module. The terminal is configured to connect an external device via a connection member, the external device outputting an audio signal. The first... Agent:
20110261979 - Diaphragm and condenser microphone using same: A diaphragm is disclosed. The diaphragm includes a vibrating member, a projection extruding from a periphery of the vibrating member, a supporting member surrounding the vibrating member. A first gap is formed between the vibrating member and the supporting member. The supporting member includes a supporting girder surrounding and separated... Agent:
20110261980 - Ribbon microphone unit and ribbon microphone: A ribbon microphone unit includes a pair of magnets generating a magnetic field, a ribbon diaphragm disposed in the magnetic field generated by the magnets, and a circuit substrate provided with signal paths that conduct electrical signals generated by vibration of the ribbon diaphragm to output terminals. The signal paths... Agent:
20110261981 - Vehicle sound system: A vehicle sound system encompasses a combination of speaker configuration, speaker placement, and sound processing to improve sound quality. A pair of speakers (or rows of speakers) are placed close together and located in the front of the console or dashboard with their geometric center on or near the vehicle's... Agent: Thx Ltd.
20110261982 - Hearing aid device: With the hearing aid device of the present invention, when the power is turned on, communication starts between the first and second hearing aids, and until this communication is established, it is recognized that the power has not been switched on to the second hearing aid, and the user is... Agent:
20110261983 - Systems and methods for own voice recognition with adaptations for noise robustness: Own voice recognition (OVR) for hearing aids, detects time instances where the person wearing the device is speaking. Classification of the own voice is performed dependent on a fixed or adaptive detection threshold. Automatic tuning in a real-time system depends on general noise statistics in the input signals. The noise... Agent: Siemens Corporation
20110261985 - Hearing aid earpiece and a method of manufacturing a hearing aid earpiece: A hearing aid earpiece (1) is provided, that is custom fitted to the individual shape of the ear canal of a user and manufactured in a rapid prototyping process. The earpiece comprises a sound conduit (3) that is adapted for conveying an acoustic signal from an acoustic inlet port towards... Agent: Widex A/s
20110261984 - Hearing aid with a casing: A hearing aid is provided with a casing where to a battery drawer or lid is movably attached for movement between a closed position and an open position, where the open position grants access to a battery, wherein a leverage tool is removably fastened to the battery drawer. By way... Agent: Bernafon Ag
20110261986 - Electro-acoustic converters, electronic devices, waterproof covers, and air leakage test methods for electro-acoustic converters: It is an object to provide an electro-acoustic converter which can be subjected to air leakage test allowing a gas to pass through a waterproof film in such a condition that the waterproof film is attached to the electro-acoustic converter. An electro-acoustic converter is produced, which includes: a casing having... Agent:
20110261987 - Condenser microphone: A condenser microphone includes a housing (7) formed by combining: a top face member (15) as a top face; a bottom face member (5) as a bottom face; and intermediate members (13,14) disposed between the top face member (15) and the bottom face member (5). In the top face member... Agent: Hosiden Corporation
20110261988 - Earphone device with ear canal protrusion: An earphone device (1) comprising a main body (14) to be inserted in to the outer ear (28) of a user. The main body (14) has a first side (5) that faces the user's head when inserted, a cavity (13) and a sound opening (2) connecting the first side (5)... Agent:
20110261989 - Positioning structure for speaker of portable electronic device: An exemplary positioning structure for a portable electronic device includes a support element, a metal element, and a ring seal. The support element defines an opening. The metal element is attached to the support element. The metal element includes a projection and a depression. The opening and the depression receives... Agent: Shenzhen Futaihong Precision Industry Co., Ltd.
20110261990 - Speaker unit, manufacturing method thereof, and portable information terminal: A frame includes terminals. A diaphragm is supported by a frame so as to vibrate in one direction. A magnet is fixed to frame. A voice coil includes a winding portion and wire portions. Winding portion is fixed to diaphragm so as to receive a magnetic field from magnet. Wire... Agent: Sanyo Electric Co., Ltd.
20110261991 - Speaker device: A speaker device, wherein vibration of a magnetic circuit section is suppressed with a magnetic influence on the magnetic circuit section suppressed. A speaker device having a vibration section and generating an audio sound by vibration of the vibration section is provided with a magnetic section for forming a magnetic... Agent: Fujitsu Ten Limited
20110261992 - Magnetic circuit unit and speaker using same: A magnetic circuit unit includes a yoke, a magnet positioned on the yoke, a plate on the magnet. The yoke includes a bottom defining a central hole therein, and a wall extending from the bottom. The magnet is positioned on the bottom of the yoke. The plate defines a base... Agent:10/20/2011 > 38 patent applications in 28 patent subcategories. categorized by USPTO classification
20110255697 - Digital sound projector: The present disclosure provides a digital sound projector including an insulated panel, a number of acoustic cells and a signal processing device. The number of acoustic cells is located on a surface of the insulated panel and spaced apart from each other. Each one of the number of acoustic cells... Agent: Beijing Funate Innovation Technology Co., Ltd.
20110255698 - Programmable noise gate for audio amplifier employing a combination of low-noise and noise-rejecting analog and digital signal processing: An apparatus comprises a first signal circuit path, a noise gate circuit, and a control circuit. The first signal circuit path processes a first electrical signal that includes one or more signal frequencies in the audio frequency band. The first signal circuit path includes a first amplifier circuit configured to... Agent:
20110255699 - Signal correction apparatus and signal correction method: According to one embodiment, a signal correction apparatus includes a sound quality estimation module, a sound quality enhancement processing controller, and a sound quality enhancement processor. The sound quality estimation module is configured to generate channel importance information based on correlations of channels for signals input from one or more... Agent: Kabushiki Kaisha Toshiba
20110255700 - Detecting musical structures: Among other things, techniques and systems are disclosed for detecting musical structures, such as downbeats. In one aspect, a method performed by a data processing device includes receiving an input audio signal. The method includes detecting a meter in the received audio signal. Detecting the meter includes generating an envelope... Agent: Apple Inc.
20110255701 - Method for dynamically adjusting the spectral content of an audio signal: Circuit and associated methods for dynamically adjusting the spectral content of an audio signal, which increases the harmonic content through the systematic introduction of amplitude asymmetry. In one embodiment, the method comprises a spectral modification of an analog audio signal in which the high-frequency content is reduced as a function... Agent:
20110255703 - Determining an acoustic coupling between a far-end talker signal and a combined signal: The present invention provides an improved determination of an acoustic coupling between a loudspeaker (110) and a microphone (120), which results in a better estimate of the acoustic coupling during double talk. This is achieved in a device (100) for determining an acoustic coupling between a far-end talker signal (101)... Agent: Koninklijke Philips Electronics N.v.
20110255702 - Signal dereverberation using environment information: An audio processing system includes an audio processing device and an external device, the audio processing device having a signal processing unit adapted for running an algorithm for processing an input signal representing an acoustic signal from the environment of the user and providing a processed output signal. The external... Agent:
20110255705 - Information system and operational noise canceling method: Provided is an information system including an information processing device having an audio output function, and a peripheral device connected to the information processing device. The information processing device includes: a device specifying section for designating the peripheral device; a data obtaining section for obtaining, based on designation results from... Agent: Buffalo Inc.
20110255704 - Methods and systems for active sound attenuation in an air handling unit: A system and method for controlling noise produced by an air handling system is provided. The system includes a source microphone to collect sound measurements from the air handling system and a processor to define a cancellation signal that at least partially cancels out the sound measurements. The system also... Agent: Huntair, Inc.
20110255706 - Sound generator: A sound generator is provided capable of generating vehicle sound that will be produced when a specific sound element is changed out of a plurality of sound elements arising from the operation of a plurality of components mounted on a vehicle. A sound generator 1 includes: existent sound acquisition means... Agent: Hitachi, Ltd.
20110255707 - System, audio guidance output control method, transmission device, and reception device: In a system in which a transmission device and reception device communicate with each other, the transmission device has a first output unit which outputs a first audio guidance, and a transmission unit which transmits, to the reception device, an output instruction that instructs the reception device to output a... Agent: Canon Kabushiki Kaisha
20110255708 - Wireless conformal antenna system and method of operation: A conformal antenna system comprising one or more proximate antenna elements for very reliable localized reception and transmission of radiowave energy and power particularly in frequency controlled VHF, UHF and microwave spectrum is described. The system incorporates effective angle or proximity dependent interference mitigation for conventional transmitters/receivers or master controlled... Agent:
20110255709 - Audio control device and audio output device: An audio output device includes two digital microphone units that, upon receiving sound, convert the sound to PDM digital audio signals in which a state is represented by 1 or 0 in each predetermined period. The audio output device generates half-period digital audio signals, which are signals of a half... Agent: Fujitsu Limited
20110255710 - Signal processing apparatus, signal processing method, and program: A signal processing apparatus includes an absolute value unit configured to convert an audio signal into absolute values, a representative value calculation unit configured to calculate representative values of consecutive sample values included in blocks of the audio signal which has been converted into the absolute values using at least... Agent:
20110255711 - Lighting and audio communication system: A lighting and communication system with a horn enclosure for recessed ceiling panel or wall mounting, including a speaker with a horn expansion area to direct sound waves from the speaker to a horn enclosure front, at least one light enclosure located within the horn enclosure, the light enclosure defining... Agent:
20110255712 - Audio signal adjustment device and audio signal adjustment method: To perform volume control matching the actual auditory sensation level of a human so as to improve the control accuracy. As shown in FIG. 1, an audio gain adjustment device 10 includes: an audio signal input section 12 that acquires an audio signal to be adjusted; a long-term gain reflection... Agent: Sharp Kabushiki Kaisha
20110255713 - Automatic volume control for audio signals: A technique is provided for automatically adjusting the volume, or magnitude, of an audio signal. The technique includes calculating an average power associated with a segment of an input audio signal, determining whether the average power is greater than an estimated signal level associated with one or more previously-processed segments... Agent: Broadcom Corporation
20110255714 - Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing: An apparatus for upmixing a downmix audio signal describing one or more downmix audio channels into an upmixed audio signal describing a plurality of upmixed audio channels includes an upmixer and a parameter determinator. The upmixer is configured to apply temporally variable upmix parameters to upmix the downmix audio signal... Agent: Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.
20110255715 - Multifunctional micro-speaker: An integrated multifunctional micro speaker including a speaker frame having an upper portion (an outer portion) that is configured by a moving voice coil type speaker and a lower portion (an inner portion) that is configured by a moving magnet and weight type vibrator supported by a suspension, thereby reproducing... Agent: Bse Co., Ltd.
20110255716 - Diaphragm and condenser microphone using same: A diaphragm is disclosed. A diaphragm includes a vibrating member capable of vibrating relative to the backplate and suspended by the supporting member extending from the vibrating member. The supporting member extends from a periphery of the vibrating member along a direction away from the centre of the diaphragm. The... Agent:
20110255717 - Digital sound projector: The present disclosure provides a digital sound projector including a first flat speaker, a second flat speaker, a connecting device and a signal input device. The connecting device pivotally connects the first flat speaker and the second flat speaker to form an angle between a surface of the first flat... Agent: Beijing Funate Innovation Technology Co., Ltd.
20110255718 - Piezoelectric speaker, piezoelectric audio device employing piezoelectric speaker, and sensor with alert device attached: A piezoelectric speaker includes: a piezoelectric vibrator including a piezoelectric body formed of a piezoelectric element and a plate-shaped body which has a larger diameter than the piezoelectric body and which is attached to a surface of the piezoelectric body in a concentric form; and a film-shaped body that is... Agent: Panasonic Electric Works Co., Ltd.
20110255720 - Electret diaphragm and speaker using the same: An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A... Agent: Industrial Technology Research Institute
20110255719 - Electroacoustic apparatus with optical energy conversion function: An electroacoustic apparatus with an optical energy conversion function is provided. The electroacoustic apparatus includes an optical energy converter for converting optical energy into electrical power. The electroacoustic apparatus further includes a signal generator and a flat speaker. The signal generator receives a signal from a sound source and generates... Agent: Industrial Technology Research Institute
20110255721 - Flat speaker unit and speaker device therewith: A flat speaker unit is provided herein. The flat speaker unit includes a first porous electrode, a second porous electrode, and a vibrating membrane with an electret layer disposed there between. In one embodiment, a plurality of supporting members may be configured between the vibrating membrane and the first porous... Agent: Industrial Technology Research Institute
20110255722 - Hearing instrument configured for wireless communication in bursts and a method of supplying power to such: A hearing instrument configured to receive power from an energy source, the energy having an output voltage, the hearing instrument includes an analog-to-digital converter for conversion of an input audio signal to a digital input signal, a digital signal processor for processing the digital input signal into a processed signal,... Agent:
20110255725 - Beamforming microphone system: A system and method for generating a beamforming signal is disclosed. A beam forming signal is generated by disposing a first microphone and a second microphone in horizontal coplanar alignment. The first and second microphones are used to detect a known signal to generate a first response and a second... Agent: Advanced Bionics, LLC
20110255723 - Hearing aid: A hearing aid includes a receiver with a receiver housing, the receiver having a sound port opening, and being configured to be placed at least partly in an ear canal of a user, and a sound tube acoustically connected to the sound port opening of the receiver, the sound tube... Agent:
20110255724 - Implantable hearing aid with a monitoring transducer that can be implanted in the inner ear: A device for improving hearing ability comprises an input transducer which picks up the movement of the malleus in the middle ear. The input signal generated by the input transducer is supplied to a processing unit which converts the input signal into an output signal which is applied to an... Agent:
20110255726 - Audio port configuration for compact electronic devices: A portable electronic device that provides compact configurations for audio elements are disclosed. The audio elements can be drivers (e.g., speakers) or receivers (e.g., microphones). In one embodiment, an audio element can be mounted on or coupled to an intermediate structure (e.g., a flexible electrical substrate) having an opening therein... Agent:
20110255727 - Electronic apparatus: According to one embodiment, an electronic apparatus includes a housing and a display unit. The housing includes a first end portion, a second end portion and a hinge portion. The display unit is connected to the housing via the hinge portion. The housing further includes a lower cover, an upper... Agent: Kabushiki Kaisha Toshiba
20110255728 - Sound-transmitting membrane for microphone, sound-transmitting membrane member for microphone provided with the membrane, microphone, and electronic device provided with microphone: The present invention provides a sound-transmitting membrane for a microphone, to be disposed to a sound-collecting opening of the microphone so as to allow sound to transmit through the membrane while preventing a foreign matter from entering into the microphone through the opening. This membrane for a microphone prevents the... Agent: Nitto Denko Corporation
20110255729 - In-ear earpiece and expansion adaptor: There is provided an in-ear earphone having a housing (50) for receiving an electroacoustic transducer and an expansion adaptor unit (20) which is coupled to the housing (50) of the in-ear earphone. The expansion adaptor unit (20) has an expansion unit (20) with an upper portion (26) having a curvature... Agent: Sennheiser Electronic Gmbh & Co. Kg
20110255730 - Speaker device: A speaker device having a speaker section firmly fixed to a stand section so the orientation of the speaker section relative to the stand section can be easily adjusted. The speaker device includes a speaker section, a stand section, and a fastening section for fastening the speaker section and the... Agent: Fujitsu Ten Limited
20110255732 - Multifunctional micro speaker: A multifunctional micro speaker including a frame; a diaphragm having an outer circumferential portion fixed to the frame; a voice coil fixed to a lower surface of the diaphragm; a first suspension having an outer circumferential portion fixed to the frame and having a predetermined elasticity; a yoke fixed to... Agent: Bse Co., Ltd.
20110255731 - Transducer for stapedius monitoring: An electro-magnetic transducer assembly includes a first component. The first component includes at least one magnet, and optionally a first attachment mechanism for attaching the first component to a vibrating structure. A coil assembly includes a second attachment mechanism for removably attaching the coil assembly to the first component. The... Agent: Med-el Elektromedizinische Geraete Gmbh
20110255733 - Speaker unit and portable information terminal: [Solving Means] A speaker unit includes: a yoke having a rectangular outline as seen in a plan view; a magnet member placed on the yoke and magnetized so that an upper surface of the magnet member has an N pole and an S pole aligned in one direction; a coil... Agent: Sanyo Electric Co., Ltd.
20110255734 - Speaker unit and portable information terminal: To provide a speaker unit and a portable information terminal that are reduced in size and thickness and still produce a high sound pressure. A speaker unit includes: a yoke having a rectangular outline as seen in a plan view; a magnet member placed on the yoke and magnetized so... Agent: Sanyo Electric Co., Ltd.10/13/2011 > 42 patent applications in 31 patent subcategories. categorized by USPTO classification
20110249818 - Transmission device and transmission method: A transmission device includes a transmission power setting unit that respectively sets a transmission power for transmitting a main sound signal indicating a main sound and transmission powers for transmitting one or two or more subsidiary sound signals which pertain to the main sound signal and which realize a predetermined... Agent: Sony Corporation
20110249819 - Audio channel spatial translation: M audio input channels, each associated with a spatial direction, are translated to N audio output channels, each associated with a spatial direction, wherein M and N are positive whole integers, M is three or more, and N is three or more, by deriving the N audio output channels from... Agent: Dolby Laboratories Licensing Corporation
20110249820 - Audio spatial effect enhancement: The disclosed subject matter relates to an architecture that can facilitate generation of enhanced spatial effects for stereo audio systems. Such can be accomplished by integrating on top ambience signal boosting employed in conventional systems. In particular, the ambience signal can be transformed according to a time-dependent function, which can... Agent: City University Of Hong Kong
20110249821 - encoding of multichannel digital audio signals: A method for coding a multi-channel audio signal representing a sound scene comprising a plurality of sound sources is provided. This method comprises decomposing the multi-channel signal into frequency bands and, per frequency band, obtaining directivity information per sound source of the sound scene, the information being representative of the... Agent: France Telecom
20110249822 - Advanced encoding of multi-channel digital audio signals: A method is provided for coding a multi-channel audio signal representing a sound scene comprising a plurality of sound sources. The method comprises decomposing the multi-channel signal into frequency bands and the following performed per frequency band: obtaining data representative of the direction of the sound sources of the sound... Agent: France Telecom
20110249823 - Method for controlling a binaural hearing aid system and binaural hearing aid system: Level compression applied to the acoustic signals (18) received by a binaural hearing aid system (1) counteracts the preservation of inter-aural level differences (ILD) and thereby reduces the user's ability to locate the sound source and consequently his or her ability to understand speech in noisy environments. It is therefore... Agent:
20110249824 - Audio signal processing apparatus, audio signal processing method, and program: An audio signal processing apparatus includes a tapping detection unit to which an audio signal picked up by a microphone is input and that detects a tapping input operation on the basis of an energy increase/decrease determination process for making a determination as to whether an increase and a decrease... Agent: Sony Corporation
20110249825 - Sound field control apparatus and method for controlling sound field: A sound field control apparatus includes at least two main microphones; for each main microphone, a set of at least two sub microphones arranged such that the at least two sub microphones are placed in different axis directions about each of the main microphones; a filtering unit; and a filter... Agent:
20110249827 - Systems and methods for improving the intelligibility of speech in a noisy environment: One aspect of the invention provides a method for enhancing speech output by an electro-acoustical transducer in a noisy listening environment. In some embodiments, this method includes: filtering an input audio signal x(t) using a filter H(z) to produce a filtered audio signal x(t) formula (I), wherein x(t) formula (I)—H(z)x(t);... Agent: Telefonaktiebolaget Lm Ericsson (publ)
20110249826 - Active audio noise cancelling: A noise canceling system comprises a microphone (103) generating a captured signal and a sound transducer (101) radiating a sound canceling audio signal in the audio environment. A feedback path (109) from the microphone (103) to the sound transducer (101) comprises a non-adaptive canceling filter (115) and a variable gain... Agent: Koninklijke Philips Electronics N.v.
20110249828 - Protecting secret data entry from infrared and audio eavesdropping: A method for protecting a data entry device from eavesdropping includes masking a signature of entry resulting from entry of data by a user of the data entry device so as to reduce the detectability of the signature by eavesdropping. The signature may include a temperature differential in the data... Agent: International Business Machines Corporation
20110249829 - Sound transmitting device: A device for transmitting engine sound into an interior of a motor vehicle includes a sound transmission line having a first end in acoustic communication with an air intake tract and a second end arranged to direct engine sound towards the motor vehicle interior. A sound transmitting porous media is... Agent: Mann+hummel Gmbh
20110249830 - Microphone unit: There is provided a microphone unit having a plurality of miniature microphones for respectively recording audio signals and a carrier unit. The miniature microphones can be arranged on a side of the carrier unit.... Agent:
20110249831 - Wireless microphone systems having improved immunity to rf interference: A wireless microphone system is disclosed that uses a multiplicity of antennas to reduce or eliminate effects of radio frequency interference and intermodulation distortion. Signals from the multiplicity of antennas are selectively filtered, amplified and distributed as left and right diversity signals to microphone receivers for audio processing.... Agent:
20110249832 - Speaker device: A speaker device includes: a casing having a cylindrical shape which opens at one end side; and a sounding body arranged at the other end side of the casing and driven based on an audio signal, wherein a sealed space is formed by the casing and a setting surface when... Agent: Sony Corporation
20110249833 - Prenatal sound delivery system: A flexible band may be worn around the stomach of a pregnant woman. The band may have speakers safely and comfortably integrated therein to provide sound to prenatal babies. The speakers may connect to a mp3 player that may be stored in a pocket in the band.... Agent:
20110249834 - Electret material and electrostatic-type acoustic transducer: An electret material having excellent charge retentivity against heat is provided. The electret material 10 includes an electrode plate 1, a semiconducting layer 2 formed on the electrode plate 1, and an electret layer 3 formed on the semiconducting layer 2. The semiconducting layer 2 includes carbon and a fluororesin.... Agent: Nitto Denko Corporation
20110249835 - N band fm demodulation to aid cochlear hearing impaired persons: The invention relates to: A signal processing device comprising a signal processing unit for processing an electrical SPU-input signal comprising frequencies in the audible frequency range between a minimum frequency and a maximum frequency, and providing a processed SPU output signal. The invention further relates to its use and to... Agent: Oticon A/s
20110249836 - Control of low power or standby modes of a hearing assistance device: Disclosed herein, among other things, are apparatus and methods to provide improved control of hearing aids and hearing aid applications. In one embodiment, a hearing assistance device includes a microphone, a receiver for playing sound to a wearer, a processor connected to the microphone and the receiver, and a radio... Agent: Starkey Laboratories, Inc.
20110249840 - Hearing aid: A hearing aid includes: a sound collection unit configured to collect a surrounding sound; a sound output unit configured to output a sound; and a main body having a shape that can be attached to an ear. The main body includes: a hearing aid processing unit configured to perform hearing... Agent: Panasonic Corporation
20110249838 - Hearing aid and circuit for detecting a connector: A circuit for a hearing aid includes an interface including a contact element for receiving a connector. The interface is configured to provide produce an electrical signal when the connector contacts the contact element. The circuit further includes a logic circuit coupled to the interface for receiving the electrical signal... Agent: Audiotoniq, Inc.
20110249837 - Hearing assistance device with programmable direct audio input port: Disclosed herein, among other things, are apparatus and methods to detect signals connected to a direct audio input port of a hearing assistance device. According to one embodiment, a hearing assistance device includes a processor and a direct audio input (DAI) port including a signal line connected to the processor.... Agent: Starkey Laboratories, Inc.
20110249839 - System and method of progressive hearing device adjustment: A hearing aid includes a microphone to convert sound into an electrical signal and a processor coupled to the microphone. The processor is configured to apply a selected one of a sequence of incremental hearing corrections to the electrical signal to produce a modulated output signal to at least partially... Agent: Audiotoniq, Inc.
20110249842 - Range control for wireless hearing assistance device systems: Disclosed herein, among other things, are apparatus and methods for wireless hearing assistance devices and in particular to a controllable range control for wireless hearing assistance device systems. An advertisement is used to allow the receiver to quickly receive streaming information, thus conserving power. In various embodiments, a system for... Agent: Starkey Laboratories, Inc.
20110249841 - System for programming special function buttons for hearing assistance device applications: Disclosed herein, among other things, are apparatus and methods to provide improved control of hearing assistance devices and hearing assistance applications. The present apparatus and method can be deployed on a hearing aid, a device in communication with the hearing aid, or on both. In one embodiment a programmable control,... Agent: Starkey Laboratories, Inc.
20110249843 - Sound perception using frequency transposition by moving the envelope: The application relates to a method of improving a user's perception of an input sound. The application further relates to an audio processing device and to its use. The object of the present application is to increase the sound quality of a sound signal as perceived by a user, e.g.... Agent: Oticon A/s
20110249844 - Methods and apparatus for improved noise reduction for hearing assistance devices: Disclosed herein, among other things, are methods and apparatus for improved noise reduction for hearing assistance devices. In various embodiments, a hearing assistance device includes a microphone and a processor configured to receive signals from the microphone. The processor is configured to perform noise reduction which adjusts maximum gain reduction... Agent: Starkey Laboratories, Inc.
20110249845 - Stability improvements in hearing aids: A hearing aid includes an input transducer for provision of an input signal, a high pass filter configured for providing a high pass filtered part of the input signal, a low pass filter configured for providing a low pass filtered part of the input signal, a synthesizing unit configured for... Agent: Gn Resound A/s
20110249846 - Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices: Disclosed herein, among other things, are methods and apparatus for allocating feedback cancellation resources for improved acoustic feedback cancellation for hearing assistance devices. In various embodiments, a hearing assistance device includes a microphone and a processor configured to receive signals from the microphone and process them according to a plurality... Agent: Starkey Laboratories, Inc.
20110249847 - Methods and apparatus for early audio feedback cancellation for hearing assistance devices: Disclosed herein, among other things, are methods and apparatus for improved feedback cancellation for hearing assistance devices. In various embodiments the present acoustic feedback cancellation system is configured to identify the onset of acoustic feedback. This early detection is accomplished in a variety of ways, including detection of an exponential... Agent: Starkey Laboratories, Inc.
20110249848 - Hearing aid with audio shoe: The invention relates to a hearing aid with an audio-shoe interface, an associated audio shoe and a hearing-aid system comprising a hearing aid and an audio shoe. A basic idea of the invention consists of a hearing aid with a housing, in which an undercut and an abutment are provided.... Agent: Siemens Medical Instruments Pte. Ltd.
20110249850 - Acoustic ear tube retainer spring: A metal retainer spring bent into a forwardly tapered flexible spring for retaining an acoustic ear tube for use with behind-the-ear devices. A rearward hook or tapering slot holds the acoustic ear tube with a friction fit. A forward opening admits the acoustic ear tube therethrough to transmit sound to... Agent:
20110249849 - Device and method for in-ear sound generation: A device for in-ear sound generation comprises a sound determining unit adapted to determine a first sound signal, a sound collecting unit exposed to the ear canal and adapted to collect a second sound signal, a sound correction determining unit adapted to determine a third sound signal, and a loudspeaker... Agent: Sony Corporation
20110249851 - Behind-the-ear hearing aid whose microphone is set in an entrance of ear canal: There is provided a behind-the-ear hearing aid that makes it easy for a hearing aid wearer to estimate a position of a sound source with respect to a front-back direction and that enables an increase in aesthetic property when the hearing aid is worn. A behind-the-ear hearing aid of the... Agent: Panasonic Corporation
20110249852 - Wireless microphone: A wireless microphone includes a grip that includes a barrel. The barrel includes a barrel body that is configured with a battery receiving space and that has one side formed with a cutout for access to the battery receiving space. The grip further includes a lid coupled to the barrel... Agent:
20110249853 - Acoustic energy transducer: Illustrative acoustic transducers are provided. A monolithic semiconductor layer defines a plate, two or more flexible extensions and at least a portion of a support structure. Acoustic pressure transferred to the plate results in tensile strain of the flexible extensions. The flexible extensions exhibit varying electrical characteristics responsive to the... Agent:
20110249854 - Method and apparatus for detecting a position of a pair of ear phones at a user: A method for detecting a position of a pair of headphones at a user and a detection apparatus for detecting a position of a pair of ear phones at a user are described.... Agent: Sony Ericsson Mobile Communications Ab
20110249855 - Earphone: An earphone has a main body, a first tube portion that protrudes from the main body in a first direction, a speaker unit provided at a protruding top of the first tube portion, and a second tube portion that protrudes from the main body in a second direction that is... Agent: Victor Company Of Japan, Ltd. A Corporation Of Japan
20110249856 - Earphone: An earphone includes a speaker unit, a housing that covers a rear surface of the speaker unit, and a bushing having a cord holding portion that holds a cord that carries an audio signal to the speaker unit and is running to the outside of the housing. The bushing also... Agent: Victor Company Of Japan, Ltd.
20110249857 - Apparatus for reproduction of sound: Apparatus for reproducing sound including at least three loudspeakers (5, 6,7) mounted in a substantially sealed enclosure. The three loudspeakers may be mounted to a wall of the enclosure so that they are all directed away from, and evenly spaced around, a common point. Two speakers may be driven with... Agent: Airsound LLP
20110249858 - Multifunctional micro speaker: A multifunctional micro speaker including a frame; a diaphragm having an outer circumferential portion fixed to the frame; a voice coil fixed to a lower surface of the diaphragm; a first suspension having one side fixed to the frame and having a predetermined elasticity; a yoke fixed to the first... Agent: Bse Co., Ltd.
20110249859 - Voice coil and smt micro speaker using same: A voice coil using a surface mount technology (SMT) to connect the voice coil and an electrode to each other, and a SMT speaker using the voice coil. A voice coil assembly includes a voice coil formed by stacking a plurality of laminated metal plates; and a flexible printed circuit... Agent: Bse Co., Ltd.10/06/2011 > 39 patent applications in 27 patent subcategories. categorized by USPTO classification
20110243333 - Btsc encoder: The disclosed BTSC encoder includes a left high pass filter means for receiving a digital left channel audio signal and for digitally high pass filtering the digital left channel audio signal and thereby generating a digital left filtered signal; a right high pass filter means for receiving a digital right... Agent: That Corporation
20110243334 - Audio processing apparatus: In an audio processing apparatus of the present invention, one or two audio signals selected from a surround rear left audio signal, a left outer audio signal and a left upper audio signal is (are) amplified to be outputted from a speaker terminal(s) corresponding to this (these) channel(s) without necessity... Agent:
20110243337 - Audio processing system and method: The present invention is a method and system for audio processing. Embodiments of the present invention may include multi-level equalization capabilities along with room optimization, crossovers, switching, automation control, and scene setting. Embodiments of the present invention may be implemented in the analog or digital realms, or both, and may... Agent:
20110243336 - Signal processing apparatus, signal processing method, and program: A signal processing apparatus includes: an audio image localization processing unit performing audio image localization processing on a sound signal of each frequency band for each channel of the sound signal based on information used to determine an audio image localization position of each frequency band; and a mixing unit... Agent:
20110243335 - Signal processing device and method, and a program: A signal processing device includes: a sound adjustment amount calculation unit which calculates a sound adjustment amount for adjusting sound characteristics of each channel to a predetermined sound characteristic for each channel, using a sound signal that is obtained by collecting the outputs of each channel; an evaluation value calculation... Agent:
20110243338 - Surround sound virtualizer and method with dynamic range compression: Method and system for generating output signals for reproduction by two physical speakers in response to input audio signals indicative of sound from multiple source locations including at least two rear locations. Typically, the input signals are indicative of sound from three front locations and two rear locations (left and... Agent: Dolby Laboratories Licensing Corporation
20110243339 - Dual setting method for a hearing system: The perception of musical sound with a music component and a speech component is intended to be improved. To this end, a method is proposed for controlling a binaural hearing system with a left hearing-device for a left ear and a right hearing-device for a right ear, which method contains... Agent: Siemens Medical Instruments Pte. Ltd.
20110243340 - Parameter setting method and audio apparatus: A method of setting a parameter for an audio apparatus including a delay processing unit which applies a delaying process and an amplifying process on an input audio signal in accordance with the set parameter, includes: performing a measuring process including: causing an outputting device to output measurement sound; and... Agent: Yamaha Corporation
20110243341 - Pipe calibration method for omnidirectional microphones: Embodiments include a method comprising forming a pipe including a first end and a second end by forming couplings between a plurality of sections of pipe. A loudspeaker is connected to the first end. The loudspeaker is a mouth simulator loudspeaker. A plurality of microphones are positioned a third distance... Agent:
20110243342 - Sound field controller: A sound field controller includes: a sound field generation section which generates an effect sound signal for giving a sound field effect sound to an audio signal; an acquisition section which acquires a measurement signal indicating sound pressure levels of a direct sound and a reflected sound which are collected... Agent: Yamaha Corporation
20110243344 - Anr instability detection: Apparatus and method of an ANR circuit detecting instances of instability in at least the provision of feedback-based ANR, monitoring audio that includes feedback anti-noise sounds for acoustic output by an acoustic driver for a sound having characteristics indicative of instability including at least a frequency within a range of... Agent:
20110243343 - Frequency-dependent anr reference sound compression: Apparatus and method of controlling provision of ANR, possibly of a personal ANR device, in which amplitudes of a piece of audio employed in the provision of ANR are monitored, and the compression of one or both of feedback and feedforward ANR reference sounds is made dependent on frequency such... Agent:
20110243345 - Variable anr transform compression: Apparatus and method of reducing the provision of ANR at an one end of a range of frequencies at which the ANR is provided without reducing the provision of the ANR at the other end of the range of frequencies by repeatedly reconfiguring coefficients of one or more digital filters... Agent:
20110243346 - Cable structures and systems including super-elastic rods and methods for making the same: A headset can include a cable structure connecting non-cable components such as jacks and headphones. The cable structure can include several legs connected at a bifurcation such as, for example, a main leg splitting into left and right legs. To prevent tangling of the cable structure, one or more rods... Agent: Apple Inc.
20110243347 - Pipe calibration device for calibration of omnidirectional microphones: Embodiments include a device comprising a pipe having at least one section that spans between a first end and a second end of the pipe. The pipe has a cylindrical cross-section. The device comprises a receptacle positioned in the pipe a first distance from the first end and a second... Agent:
20110243348 - Pipe calibration system for omnidirectional microphones: Embodiments include a system comprising a pipe that includes a first end and a second end. The pipe includes a plurality of sections coupled together. The system includes a loudspeaker that is a mouth simulator loudspeaker. The system includes an adapter that connects the loudspeaker to the first end. The... Agent:
20110243349 - Noise estimation: A method and apparatus are provided for estimating the noise spectrum of an audio signal occupying a certain frequency range. The amplitude of the audio signal is measured at only a subset of the frequency range having a low expected signal to noise ratio at the time of measuring such... Agent: Cambridge Silicon Radio Limited
20110243350 - Low noise electret microphone: An electret microphone having reduced noise due to reduced leakage current is provided. The microphone includes a flexible diaphragm, and sensor member disposed in opposing, spaced relation to the diaphragm and comprising a semi-conductor channel. At least one electret surface, comprised of a dielectric material having a permanently-embedded static electric... Agent: Otologics, LLC
20110243351 - Sound device: A sound device includes an input terminal for electronic signal input; a line out terminal adapted to output electronic signals input on the input terminal to an external area; a delay arrangement adapted to delay electronic signals input on the input terminal for a certain time; a main output arrangement... Agent: Roland Corporation
20110243352 - Concept, method and apparatus of improved distortion switched-mode amplifier: Systems and methods for switched-mode amplifiers having improved harmonic distortion are disclosed. High order in-band filtering is enabled without undue trade-off of distortion due to intermodulation/aliasing. A pre-modulation block is introduced, deployed between a loop filter block and a pulse-width modulation block, performing uniform pulse-width modulation. The pre-modulation block attenuates/removes... Agent:
20110243353 - Speaker apparatus: A speaker apparatus includes: a first outputting unit that has a first speaker unit group in which a plurality of speaker units are arranged, and that outputs a supplied audio signal from the first speaker unit group as a sound which is directed in a direction; a second outputting unit... Agent: Yamaha Corporation
20110243354 - Wired, wireless, infrared, and powerline audio entertainment systems: A method and system for communicating audio, video, and/or control signals within a home entertainment system. One or more signals are communicated between an input device and one or more output devices via one or more networks. The output device can include loudspeakers, display devices, and headphones. In some embodiments... Agent: Ksc Industries, Inc.
20110243355 - method for adjusting a hearing device: m
20110243356 - Embedded audiphone: A transducer (34) made of a giant magnetostrictive element is provided in an intracorporeal unit (3) that is embedded in a skull (5). An audible sound modulation transmission signal (S1), which is amplitude-modulated by a sound collection signal generated in an extracorporeal unit (2), is transmitted from an extracorporeal transmitter... Agent:
20110243357 - Modular hearing device: Preferably, said connecting portion (12) is detachably connected to said outer part (2) or to said inner part (3) or to both, said outer part (2) and said inner part (3). The connecting portion (12) comprises a tube member (23) for providing guidance for acoustic sound (10) outputted from said... Agent: Phonak Ag
20110243358 - System for picking-up a user's voice: A system for picking-up a user's voice, having an earpiece (10) that has a shell (12) and is to be worn at least partly in the user's ear canal (18), an elongate C-shaped bow-like retention element (14) attached to the shell for retaining the shell within the user's ear (18,... Agent: Phonak Ag
20110243359 - Speaker system with subwoofer: A speaker system includes an enclosure defining a resonance chamber, a loudspeaker received in the resonance chamber, and a sound wave reflecting member. The enclosure includes a front panel and a base. The loudspeaker is exposed at the front panel. The base includes a back panel facing the front panel,... Agent: Hon Hai Precision Industry Co., Ltd.
20110243360 - Thin plug assembly and methods for making the same: Thin plug assemblies and methods for constructing the same are disclosed. The plug assembly can include a plug portion, a cable portion, and an interfacing portion between the plug portion and the cable portion. The plug portion can include several conductive regions each connected to a conductor of the cable... Agent: Apple Inc.
20110243362 - Acoustic radiation pattern adjusting: A loudspeaker having an omnidirectional radiation pattern at high frequencies. The loudspeaker includes an acoustic device that includes an acoustic enclosure; an acoustic driver, mounted in the acoustic enclosure; and a sheet of compliant material with a aperture therethrough, mounted in the enclosure, between the acoustic driver and the environment.... Agent:
20110243363 - Speaker: A speaker is provided with a support base provided with a connection portion which has an inclined surface inclined at a predetermined angle relative to a horizontal direction, a connector which has a sloping surface inclined at the same angle as the inclined surface of the support base relative to... Agent: Sony Corporation
20110243361 - Speaker system: A loudspeaker device includes an enclosure, a loudspeaker unit and a passive radiator both mounted to the enclosure. The passive radiator includes an edge sandwiched and bonded between a first diaphragm and a second diaphragm. This structure allows increasing the bonding strength between the edge and the first diaphragm as... Agent: Matsushita Electric Industrial Co., Ltd.
20110243364 - Structure of loudspeaker for reducing thickness and mounting depth: A structure of a loudspeaker is designed to decrease a thickness or height thereof, thereby reducing a mounting depth of the loudspeaker on a mounting panel or wall. The loudspeaker includes a speaker frame, a diaphragm connected to the speaker frame in a manner capable of vibration, a voice coil... Agent:
20110243366 - Loudspeaker moment and torque balancing: A loudspeaker including a moving magnet motor. The moving magnet motor includes an armature comprising a magnet carrier, and a lever arm, coupling the armature and a pivot. The lever arm further couples the armature and an acoustic diaphragm to transmit motion of the armature to the acoustic diaphragm to... Agent:
20110243365 - Moving magnet levered loudspeaker: A loudspeaker including a moving magnet motor. The moving magnet motor includes an armature comprising a magnet carrier, and a lever arm, coupling the armature and a pivot. The lever arm further couples the armature and an acoustic diaphragm to transmit motion of the armature to the acoustic diaphragm to... Agent:
20110243367 - Multifunctional micro speaker: A multifunctional micro speaker including a frame; a diaphragm having an outer circumferential portion fixed to the frame; a voice coil fixed to a lower surface of the diaphragm; a first member having one side fixed to the frame and having a predetermined elasticity; a yoke fixed to the first... Agent: Bse Co., Ltd.
20110243368 - Multifunctional micro speaker: A multifunctional micro speaker including a frame including a lower plate portion and a lateral wall portion; a diaphragm having an outer circumferential portion that is fixed to the lateral wall portion of the frame; a voice coil fixed to a lower surface of the diaphragm; a suspension including a... Agent: Bse Co., Ltd.
20110243369 - Device with dynamic magnet loudspeaker: The present invention is to provide a device with dynamic magnet speaker, which comprises a first housing member having a wall and a first magnetic element fixed on an inner surface of the wall; a seat having a first side connected to the first housing member to define a first... Agent:
20110243370 - Loudspeaker with magnetic elements fixedly provided on diaphragm: The present invention is to provide a loudspeaker, which includes a frame having a through hole centrally provided at a bottom side thereof, a coil tube with a coil unit fixedly mounted around the outer periphery thereof and having a first end fixed to the through hole and a second... Agent:
20110243371 - Micro-speaker and method for manufacturing same: A method of soldering terminals of a micro-speaker on a circuit board comprises the following steps. Firstly, providing a circuit board having a pair of through holes passing therethrough, and two soldering sections defined surrounding the pair of through holes. Secondly, the soldering sections are plated with soldering tin. Thirdly,... Agent:Previous industry: Cryptography
Next industry: Image analysis
RSS FEED for 20140904:
Integrate FreshPatents.com into your RSS reader/aggregator or website to track weekly updates.
For more info, read this article.
Thank you for viewing Electrical audio signal processing systems and devices patents on the FreshPatents.com website. These are patent applications which have been filed in the United States. There are a variety ways to browse Electrical audio signal processing systems and devices patent applications on our website including browsing by date, agent, inventor, and industry. If you are interested in receiving occasional emails regarding Electrical audio signal processing systems and devices patents we recommend signing up for free keyword monitoring by email.
Results in 1.54683 seconds