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 12/09

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.
12/31/2009 > patent applications in patent subcategories.

20090323973 - Selecting an audio device for use: Selecting for use an audio input device such as a microphone based on the quality of sound sampled from multiple available input devices. The sample is analyzed to determine a background sound level and a peak deviation level above the background. That device having the greatest deviation above the background... Agent: Merchant & Gould (microsoft)

20090323974 - System and method for testing audio device of motherboard: A system for testing audio of a motherboard includes a recording fixture and a computer. The recording fixture includes a recording device and a soundproof device. The soundproof device is configured for soundproofing the audio device and the recording device from environmental noise. The computer includes an output/input module, a... Agent: PCe Industry, Inc. Att. Steven Reiss

20090323975 - Headphones with embeddable accessories including a personal media player: A set of headphones is configured with an integrated accessory receiving space and a device connector that interface with a variety of different interchangeable accessories. The accessories can range from a personal media player that can render audio, such as MP3 (Moving Pictures Expert Group, MPEG-1, audio layer 3) content,... Agent: Microsoft Corporation

20090323976 - Noise reduction audio reproducing device and noise reduction audio reproducing method: A noise reduction audio reproducing method includes the steps of: generating, from an audio signal of collected and obtained noise, an audio signal for noise cancellation to cancel the noise by synthesizing the audio signal for noise cancellation and the noise in an acoustic manner, reproducing the audio signal for... Agent: Wolf Greenfield & Sacks, P.C.

20090323977 - Sound source separation system, sound source separation method, and acoustic signal acquisition device: The invention provides a sound source separation system, a sound source separation method, and an acoustic signal acquisition device which can precisely separate a target sound and a disturbance sound coming from an arbitrary direction, and which ensures miniaturization of a device. A sound source separation system 10 comprises two... Agent: Darby & Darby P.C.

20090323978 - Earphone and headset: There is thus provided an earphone having a hoop band (100) for receiving at least one electroacoustic reproduction transducer. The hoop band has at least two hoop band portions (110, 120) which respectively include an angle, wherein at least two of the hoop band portions (110, 120) are rotatably connected... Agent: Townsend And Townsend And Crew, LLP

20090323979 - Earphone and headset: There is provided an earphone comprising a hoop band (1) for receiving at least one ear pad (OM). The hoop band (1) has at least two hoop band portions (2a, 2b), wherein at least two of the hoop band portions (2a, 2b) are rotatably connected together by way of a... Agent: Townsend And Townsend And Crew, LLP

20090323980 - Array microphone system and a method thereof: An array microphone system of compensating phase drift of input signals and a method thereof. The microphone system comprises a speaker, first and second microphones, a delay estimator, and a memory. The speaker outputs an acoustic signal. The first and second microphones, spaced by a predetermined distance, receive the acoustic... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090323981 - Satellite microphone array for video conferencing: Speakers are identified based on sound origination detection through use of infrared detection of satellite microphones, estimation of distance between satellite microphones and base unit utilizing captured audio, and/or estimation of satellite microphone orientation utilizing captured audio. Multiple sound source localization results are combined to enhance sound source localization and/or... Agent: Merchant & Gould (microsoft)

20090323982 - System and method for providing noise suppression utilizing null processing noise subtraction: Systems and methods for noise suppression using noise subtraction processing are provided. The noise subtraction processing comprises receiving at least a primary and a secondary acoustic signal. A desired signal component may be calculated and subtracted from the secondary acoustic signal to obtaining a noise component signal. A determination may... Agent: Carr & Ferrell LLP

20090323984 - Information processing device, control method therefor, and program: An information processing device according to an embodiment of the present invention includes the following elements: a detection unit configured to detect an amount of change in position of an image data item that is displayed on a display screen; and a processing unit configured to perform image processing on... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090323983 - Method and a system for reconstituting low frequencies in audio signal: The method comprises the steps of: filtering the audio signal by means of a lowpass filter (101) with a cutoff frequency substantially equal to said cutoff frequency (F0) of the sound playback device; determining a fundamental frequency for reconstituting from the lowpass filtered audio signal; and generating a harmonic signal... Agent: Haverstock & Owens LLP

20090323985 - System and method of controlling power consumption in response to volume control: An apparatus for audio processing including a first device (e.g., a multiplier, digital signal gain module, etc.) adapted to apply a gain to a first digital audio signal to generate a second digital audio signal; a second device (e.g., a digital-to-analog converter (DAC), etc.) adapted to generate an analog audio... Agent: Qualcomm Incorporated

20090323986 - Method and apparatus for audio normalization: A request is received to play an audio file. A determination is made regarding whether volume normalization parameters associated with the audio file are stored in a media library. If the volume normalization parameters associated with the audio file are stored in the media library, the volume normalization parameters are... Agent: Microsoft Corporation

20090323987 - Method and apparatus for synchronizing audio levels of a device and an audio accessory: A method (200) and apparatus (100) that synchronizes audio levels of a device and an audio accessory is disclosed. In at least one embodiment, the apparatus (100) includes a housing (110) and a local speaker (130) coupled to the housing. The apparatus also includes a wireless speaker interface (180) coupled... Agent: Prass LLP

20090323988 - Bidirectional, variable-impedance instrument-level to professional-level audio interface with signal splitters and balanced dc power: An audio frequency variable-impedance instrument-level to professional-level audio interface with balanced DC power, comprising a unique arrangement of electronic elements, consisting of the musical instrument-level signal splitter with professional-level audio output interface 10, the professional-level signal splitter to instrument-level interface 12 and the power supply with regulation, innovative new DC... Agent: Alexander George Welti

20090323989 - System and method for calibrating an audiometer signal: A system and method for providing a translated or calibrated signal to a bone conduction transducer. The frequency of an audiometer output signal is detected and attenuation and amplification calibration values may be determined from a lookup table as a function of this frequency. Characteristics of the output signal may... Agent: D. Joseph English

20090323990 - Speaker: A speaker is disclosed. A speaker includes a fixing part (500) fixed to a base frame; a motion part moved with respect to the fixing part by an electromagnetic force; a vibration plate (200) that vibrates in communication with the motion part (400); and a supporting member (220) that supports... Agent: Ked & Associates, LLP

20090323991 - Method of identifying speakers in a home theater system: With an array of speakers including a center speaker provided with left and right ultrasonic electro-acoustic transducers and left and right speakers provided with respective ultrasonic electro-acoustic transducers, it is possible to identify the left and right speakers. One approach includes energizing the left transducer of the center speaker to... Agent: Chernoff, Vilhauer, Mcclung & Stenzel, LLP

20090323992 - Microphone placement in hearing assistance devices to provide controlled directivity: The present disclosure includes various methods and apparatus for controlling directionality of a hearing assistance device including a pair of directional microphones. In various examples, the hearing assistance device includes a pair of directional microphones and an omnidirectional microphone. In various examples, the hearing assistance device includes a directional microphone... Agent: Schwegman, Lundberg & Woessner, P.A.

20090323993 - Hearing aid with a removably connected elongate member: The present invention relates to a new type of hearing aid with a housing that is adapted for positioning in the ear canal of a user and attached to an elongate member that is adapted for positioning in the pinna outside the ear canal of the user. The elongate member... Agent: VistaIPLaw Group, LLP (gn Resound)

20090323994 - Appartus for providing audio related signals for audio loops and associated methods: There is provided an apparatus comprising a primary winding and a corresponding primary core element, the primary winding/core element configured for the transmission of audio related signalling, using inductive coupling, with an appropriately positioned secondary core element/winding, the apparatus for providing induced audio related signals for an audio loop.... Agent: Foley & Lardner LLP

20090323995 - Miniature planar acoustic networks: A miniature acoustic network comprises a substantially planar member (5) having an acoustic device (9; 10, 11) indented into a major surface thereof and configured to co-operate with another acoustic device (3, 6) formed, at least in part, within the planar member to form the acoustic network. Another member (7)... Agent: Dickstein Shapiro LLP

20090323996 - Horn-loaded acoustic source with custom amplitude distribution: A sound reproduction system is disclosed in which at least one driver is provided, along with a horn member in acoustic loading relationship to the driver. The horn member defines an internal passageway having a first end and a second open end, with the driver at the first end, producing... Agent: Olson & Cepuritis, Ltd.

20090323997 - Horn-loaded acoustic line source: A sound reproduction system is disclosed in which a sound enclosure defines a soundwave path having a first end, a second open end and at least one bend therebetween. At least one driver is provided at the first end for producing a driver soundwave that is confined by the sound... Agent: Olson & Cepuritis, Ltd.

20090323998 - Headset with adjustable boom: A headset (1) comprises a body (3) and a boom (4), on which a microphone is located. The boom (4) is mounted so that the position of a microphone (5) relative to the body (3) can be adjusted. The headset 1 further comprises a controller (15) arranged to process an... Agent: Locke Lord Bissell & Liddell LLP Attn:IPDocketing

20090323999 - Wireless earphone and portable electronic device using the same: A wireless earphone includes a first answering member and a hanging member. The first answering member includes a base, a microphone and a head phones device. The first answering member is disposed at one end of the hanging member and is configured for being detachably mounted on a portable electronic... Agent: PCe Industry, Inc. Att. Steven Reiss

20090324000 - Speaker surround structure for maximizing cone diameter: A surround that is generally arched in shape and that includes a radial exterior flange that extends downward from exterior side of the arched portion of the surround and that adhesively attaches to the inner wall or edge of the mounting ring of the frame of the loudspeaker.... Agent: The Eclipse Group LLP

20090324001 - Speakerphone with a novel loudspeaker placement: A new speakerphone wherein a loudspeaker is oriented to face the listeners of an audio conference is disclosed. New speakerphones which have a bass loudspeaker and at least one tweeter loudspeaker wherein the tweeter loudspeaker is oriented towards listeners of an audio conference are also disclosed.... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20090324002 - Method and apparatus with display and speaker: In accordance with an example embodiment of the present invention, an apparatus, comprising a first housing comprising a display, a second housing comprising at least one speaker; the second housing being movably attached to the first housing, the first housing and said second housing being configured to provide a first... Agent: Nokia, Inc.

20090324003 - Method and apparatus for a loudspeaker assembly: A method and apparatus for providing a loudspeaker assembly is provided. In accordance with at least one embodiment, a method is provided which comprises forming a loudspeaker frame so as to define a driver housing portion, a horn portion, and a conformal portion. A driver aperture is defined for the... Agent: The Hecker Law Group, PLC Suite 2300

20090324004 - Rapid installation and detachment device for flush mounting speaker on ceiling or wall: A rapid installation and detachment device for flush mounting speaker on ceiling or wall is composed of a hinge bracket, coil springs, gaiters, press fits, cushion springs and stop blocks. The above mechanisms are driven by the coil springs to rapidly and efficiently install a speaker on the hinge bracket.... Agent: Schmeiser Olsen & Watts

12/24/2009 > patent applications in patent subcategories.

20090316912 - Device for and a method of processing audio data: A device (500) for processing audio data (102) comprises an envelope detector (101) for detecting an envelope of the audio data (102) and a frequency generator (103) for generating an oscillation signal (104) oscillating at a predetermined frequency, wherein the frequency generator (103) is coupled to the envelope detector (101)... Agent: Philips Intellectual Property & Standards

20090316913 - Spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms: Audio signals that represent a sound field with increased spatial resolution are obtained by deriving signals that represent the sound field with high-order angular terms. This is accomplished by analyzing input audio signals representing the sound field with zero-order and first-order angular terms to derive statistical characteristics of one or... Agent: Dolby Laboratories Inc.

20090316914 - Efficient and scalable parametric stereo coding for low bitrate audio coding applications: The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These improvements are accomplished by extraction of stereo-image describing parameters at the encoder side, which are transmitted and subsequently used for control of a stereo generator at the decoder... Agent: Glenn Patent Group

20090316915 - Sound processing apparatus and method: Mask generation section generates an evaluating mask, indicative of a degree of dissonance with a target sound per each frequency along a frequency axis, by setting, for each of a plurality of peaks in spectra of the target sound, a dissonance function indicative of relationship between a frequency difference from... Agent: Pillsbury Winthrop Shaw Pittman LLP

20090316916 - 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: Sunstein Kann Murphy & Timbers LLP

20090316919 - Acoustic characteristic correction method and apparatus: According to one embodiment, an acoustic characteristic correction apparatus comprises a main module reproducing an audio signal and a remote controller includes a microphone, wherein the main module comprises a generation module generating a measurement signal, a receiver receiving a picked-up signal output from the microphone receiving the measurement signal,... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090316917 - Audio testing system and method: An audio testing system is configured for receiving an audio signal from the an audio emitting device. The system samples the audio signal and obtains sampling points from the audio signal for determining if the audio signal has been distorted. A related method is also disclosed.... Agent: PCe Industry, Inc. Att. Steven Reiss

20090316918 - Electronic device speech enhancement: Disclosed herein is an apparatus. The apparatus includes a first audio input device, a second audio input device, an analog to digital converter, a voice activity detector, and a position detector. The first audio input device is configured to receive a first audio signal. The second audio input device is... Agent: Nokia, Inc.

20090316920 - Speaker device: A speaker device includes a cabinet, a speaker unit, a port, a cartridge, and an adsorbent material. The adsorbent material is disposed in the interior of the cartridge. The cartridge is a container removable from the cabinet. When the adsorbent material is deteriorated, the cartridge is replaced or the adsorbent... Agent: Wenderoth, Lind & Ponack L.L.P.

20090316921 - Apparatus and method for connecting a hearing aid to hearing aid test equipment: The invention includes an apparatus for connecting a hearing aid tester to a sound emitting portion of a hearing aid that fits into the concha or ear canal of a user, the apparatus including a body having a front end and a rear end, a passage within the body for... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090316922 - System for measuring maximum stable gain in hearing assistance devices: This disclosure relates to measurement of maximum stable gain of a hearing assistance device, including but not limited to hearing aids, as a function of frequency. In various approaches an adaptive filter with a variable step size is used to determine maximum stable gain as a function of frequency. In... Agent: Schwegman, Lundberg & Woessner, P.A.

20090316924 - Accoustic echo cancellation and adaptive filters: In one embodiment, a two-way telecommunication device may perform acoustic echo cancellation on incoming signals. An audio decoding module may produce an audio render signal. An audio capture interface may receive an audio capture signal. A short length adaptive filter may determine a time delay between the audio render signal... Agent: Microsoft Corporation

20090316923 - Multichannel acoustic echo reduction: A multichannel acoustic echo reduction system is described herein. The system includes an acoustic echo canceller (AEC) component having a fixed filter for each respective combination of loudspeaker and microphone signals and having an adaptive filter for each microphone signal. For each microphone signal, the AEC component modifies the microphone... Agent: Microsoft Corporation

20090316925 - Electronic stethoscope system: An electronic stethoscope head includes a head member having a contact surface for contact with a patient's body, a transducer in the head member, and an adhesive on the contact surface. A processing system for an electronic stethoscope includes a conditioning circuit configured to receive a transducer signal from a... Agent: Michaud-duffy Group LLP

20090316926 - Audio device: An audio device includes a jack, a switch, an amplifier, an internal sound producer, and a determining circuit. The jack establishes a connection with an external sound producer. The switch is in an opened state when the connection is established, and in a closed state when the connection is open.... Agent: PCe Industry, Inc. Att. Steven Reiss

20090316927 - Sound reinforcement method and apparatus for musical instruments: A method and apparatus for sound reinforcement for musical instruments. The method and apparatus re-direct sound waves via an open-sided chamber against a curved wall panel in such a way that the sound from a musical amplifier is reflected or altered in its course from a direction in which the... Agent: Reilly Intellectual Property Law Firm

20090316928 - Incorporating prior knowledge into independent component analysis: The quality of sound recorded from a plurality of people speaking at the same time is improved by incorporating prior knowledge into an independent component analysis (ICA) separating algorithm. More particularly, prior knowledge is defined as a probability distribution according to some prior situation (e.g., prior distribution of people in... Agent: Microsoft Corporation

20090316929 - Sound capture system for devices with two microphones: The perceptual sound quality of desired audio signals (e.g., human voice) captured by an electronic device (e.g., cell phone) are improved by reducing ambient noise according to an algorithm that acts upon audio signals captured from a front and rear direction. More particularly, audio signals captured by two directional microphones... Agent: Microsoft Corporation

20090316930 - Wide-band equalization system: A Wide-band Equalization System (“WBES”) based on near- and far-field measurement data. The WBES includes a subwoofer equalizer having an FIR filter together with decimator and interpolator filters for processing low frequency signals. The WBES may also include satellite channels for processing mid- and high-frequency signals, where each satellite channel... Agent: The Eclipse Group LLP

20090316931 - Audio device and volume adjusting circuit for the audio device: An audio device includes an internal sound producer, an earphone jack, a detection circuit, a volume adjustor, and an amplifier. The detection circuit detects a connection between the earphone jack and an external sound producer, generates a first state signal when the connection is established, generates a second state signal... Agent: PCe Industry, Inc. Att. Steven Reiss

20090316933 - Miniature speaker device and television set: A miniature speaker device includes a housing, a speaker mounted on the housing, a passive radiator mounted on the housing and vibrating in resonance with vibration of the speaker and having no driving system and a low frequency range amplification circuit for amplifying sound pressure in frequency components of a... Agent: Crowell & Moring LLP Intellectual Property Group

20090316932 - Volume adjustment for multiple voice over internet protocal streams: Systems and methods for managing the volume of multiple VoIP streams are disclosed. The system includes a VoIP server configured to receive an input audio stream from a first VoIP handset, create separate output audio streams from the input audio stream for transmission to second and third VoIP handsets, and... Agent: Cantor Colburn LLP - IBM Rochester Division

20090316934 - Volume control feature for use with a multimedia device: A disclosed set top box or other type of multimedia handling device (MHD) is configured to support a toggle volume feature that enables the end user to toggle between two or more substantially different audible volume settings using a single push of a single remote control button or other type... Agent: At&t Legal Department - Jw Attn: Patent Docketing

20090316935 - Digital microphone: An integrated circuit, configured to process microphone signals, where the integrated circuit comprises: a preamplifier (306) with an amplifier section (301) which has a first input (φ) and a second input (φ*) and an output (φ), and with a feedback filter network (Z1; Z1, Z1*, Z2) coupled between the output... Agent: Darby & Darby P.C.

20090316936 - Pulse detection apparatus, method for manufacturing the same and connector unit: A pulse detection apparatus including: a connector unit capable of connecting earphones; a first cable that is joined to the connector unit, and connected to a portable device; a second cable that connects the portable device and a pulse sensor to each other; and a cover portion that covers the... Agent: Staas & Halsey LLP

20090316937 - Monolithic micro magnetic device: A micro magnetic device having a body defining at least part of an enclosed chamber, a pole comprising a soft magnetic material within the chamber, and an electrically conductive coil positioned around the pole. A diaphragm integral with the body defines a top of the chamber opposite the pole. The... Agent: Campbell Nelson Whipps, LLC

20090316938 - Loudspeaker apparatus and speaker system: A loudspeaker apparatus includes a speaker array that has a plurality of speaker units which are arranged on a sound emitting surface of the speaker array, and emits sound beams on a plurality of channels, an angle sensing section that senses an angle change displaced from a previously set reference... Agent: Rossi, Kimms & Mcdowell LLP.

20090316939 - Apparatus for stereophonic sound positioning: A stereophonic apparatus uses three speakers respectively installed toward a front of a vehicle on both shoulders of a seat back of a driver's seat and toward a back of the vehicle on an exact center in front of a driver. This configuration provides more effectively exerted positioning effects for... Agent: Posz Law Group, PLC

20090316940 - Hearing aid: A hearing aid comprises a microphone on a proximal side of a device housing and a loudspeaker which via a transmission channel is in open communication with a sound-emitting opening of the device. A sound processing device serves to generate sound received by the microphone to the loudspeaker in amplified... Agent: Townsend And Townsend And Crew, LLP

20090316941 - Hearing aid with capacitive switch: A hearing aid includes at least one capacitive switch for controlling or communicating with the hearing aid by touch. The capacitive switch is an electrode on the inside of the housing coupled to a touch detector. Touching the outside of the hearing aid adjacent the electrode produces a switching operation.... Agent: Paul F. Wille

20090316942 - Headset and method for collecting same: A headset includes two sound output units and a connector connecting the two sound output units. Each of the two sound output units includes a limiting part arranged thereon. The connector is made of an elastic material and capable of being flexibly mounted to each of the limiting parts so... Agent: Hdls Patent & Trademark Services

20090316943 - audio devices: An electronic device having an audio function and its loudspeaker arrangement are described. The electronic device comprises an exterior housing, an acoustic transducer and an acoustic radiator forming a part of the exterior housing of the electronic device. In one embodiment, the exterior housing undergoes pistonic movement and is provided... Agent: Fitzpatrick Cella Harper & Scinto

20090316944 - In-the-ear porting structures for earbug: Systems, apparatus and methods are discussed for controlling resonance in in-the-ear headphones. Resonance effects resulting from wave reflection and superposition can occur in the cavity formed by the port tube of an earbud and the wearer's ear canal. In this invention, acoustically resistive structures are provided to create sound diffusion... Agent: Kramer Levin Naftalis & Frankel LLP

20090316945 - Transportable sensor devices: A transportable sensor or set of sensors maybe carried conveniently by a user in a condition ready to be connected to a computing device, such as a PDA, a pocket computer, a laptop computer, or a desktop computer which may have an internet connection and communications capabilities. The sensor(s) maybe... Agent: Gibson & Dernier L.L.P.

20090316946 - Microphone assembly with underfill agent having a low coefficient of thermal expansion: A microphone assembly includes a carrier, a silicon-based transducer, a conducting element, and an underfill agent. The carrier has a first surface holding an electrical contact element. The silicon-based transducer includes a displaceable diaphragm and an electrical contact element. The transducer is arranged at a distance above the first surface... Agent: Slater & Matsil, L.L.P.

20090316947 - Speaker: The present invention relates to a speaker, comprises a housing having a top housing cap and a bottom housing cabinet. The top housing capwith a plurality of through slots are provided on the top housing cap and the bottom housing cabinet which provides with an accommodating space; a speaker unit... Agent: The Weintraub Group, P.L.C

20090316948 - Speaker device: The drive cone 11 is provided with a rising-up portion 11a which rises up toward an acoustic radiation direction from a inner circumferential end, and a rising-down portion 11b which rises down toward a direction reverse to the acoustic radiation direction. An inner circumferential edge of the diaphragm 14 is... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090316949 - Electrodynamic loudspeaker device: An electrodynamic loudspeaker device comprising a chassis (1), a translatable body (3) and an actuator (11) arranged for moving the translatable body (3) with regard to the chassis (1). The translatable body (3) is provided with (1) a three-dimensional diaphragm body (5) having a contour (5c), a diaphragm base part... Agent: Sheehan Phinney Bass & Green, PA C/o Peter Nieves

12/17/2009 > patent applications in patent subcategories.

20090310790 - Transmission of audio signals: In accordance with an example embodiment of the present invention, an apparatus is presented that comprises a multichannel audio transmitter which has a first mode for transmitting a multichannel audio signal and a second mode for transmitting at least a first and a second audio signal, each having fewer channels... Agent: Nokia, Inc.

20090310791 - Method for processing an input composite signal and signal processing apparatus thereof: A method for processing an input composite signal includes tracking a signal component of the input composite signal according to a frequency of a pilot signal to generate a locked signal, detecting an amplitude of the signal component to generate a detecting result, and generating a reproduced pilot signal according... Agent: North America Intellectual Property Corporation

20090310792 - Determination of presence information about a presentity by analysing an audio signal from a terminal associated with the presentity: The invention relates to a method of determining presence information about at least one presentity. In particular, the invention is concerned with a method of determining presence information about at least one presentity, the method comprising: accessing an audio signal from a terminal associated with the at least one presentity,... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl

20090310793 - Audio signal processing device and audio signal processing method: An audio signal processing device includes: a microphone configured to collect noise; an analyzing unit configured to analyze an audio signal collected by the microphone to detect the level and frequency property of the collected audio signal; and a signal processing unit configured to subject an audio signal to be... Agent: Wolf Greenfield & Sacks, P.C.

20090310794 - Audio conference apparatus and audio conference system: To provide an audio conference apparatus and an audio conference system which can smoothly proceed with the audio conference by removing a recursion sound of the conference voice is achieved. An audio conference apparatus 1 outputs ring tones from corresponding channels before a communication control unit 12 outputs audio signals... Agent: Rossi, Kimms & Mcdowell LLP.

20090310796 - method of reducing residual acoustic echo after echo suppression in a \"hands-free\" device: The method comprises, in the time domain, echo cancellation processing (40) by subtracting from the microphone signal a reference signal delivered by an adaptive circuit for modeling the acoustic coupling between the microphone (18) and the loudspeaker (16). Successive frames of the signal are subjected in the frequency domain to... Agent: Haverstock & Owens LLP

20090310795 - Noise reduction by mobile communication devices in non-call situations: In a preferred embodiment, the invention is a mobile communication device having a digital signal processor (DSP), a speaker output node, a local audio source, and an analog front-end (AFE), wherein: (1) the DSP receives a first audio signal corresponding to sound captured by a microphone near a user of... Agent: Mendelsohn, Drucker, & Associates, P.C.

20090310797 - Wind noise rejection apparatus: An apparatus for reduction of wind noise comprised of an electro-acoustic transducer arrangement with at least two and preferably three omni-directional transducer elements. The exposed structure is covered with a thin layer of acoustic-resistive material. The electrical outputs of the elements are added together to provide an output signal with... Agent: Renner Kenner Greive Bobak Taylor & Weber

20090310798 - Method for reducing a disturbance in an input signal caused by an output signal in a multi-port connector, multi-port connector, and mobile device: A method for reducing a disturbance in an input signal caused by an output signal in a multi-port connector, a multi-port connector circuit for reducing a disturbance in an input signal caused by an output signal, and a mobile device are described.... Agent: Edwards Angell Palmer & Dodge LLP

20090310799 - Information processing apparatus and method, and program: An information processing apparatus includes a band spreading unit configured to perform a band spreading process for generating components in a specific frequency band and adding the components to audio data, and a control unit configured to control the band spreading unit to execute the band spreading process using a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.

20090310800 - Apparatus for editing configuration data of digital mixer: A digital mixer has a custom component specified by a configuration ID. Further, the same configuration ID is provided to another custom component for ensuring compatibility of scene data which is used for operating the custom component. When a custom component of the mixer configuration is edited, the edited custom... Agent: Morrison & Foerster, LLP

20090310801 - Microphone, flexible boom and stand: A microphone system includes an elongated portion having a proximal end and a distal end defining a channel therethrough. The elongated portion comprises at least one relatively rigid section and at least one relatively flexible section. In addition, a base may be affixed to the proximal end of the elongated... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20090310802 - Virtual sound source positioning: Systems and methods for determining a virtual sound source position by determining an output for loudspeakers by the position of the loudspeakers in relation to a listener. The output of respective loudspeakers is generated using aural cues to give the listener knowledge of the virtual position of the virtual sound... Agent: Microsoft Corporation

20090310803 - Channel coordination between a wireless earphone and a transmitter: A method of the present invention includes coordinating tuning to the same channel of a radio band wherein the following steps are performed: tuning to a channel, within a radio band, that uses a side band; receiving control information in the side band of the channel; and processing the received... Agent: Maryam Imam

20090310804 - Bone conduction device with a user interface: The present invention relates to a bone conduction device for enhancing a recipient's hearing. The device may include an input configured to receive sound signals and generate a plurality of signals representative of the sound signals, an electronics module configured to receive the plurality of signals and having a first... Agent: Connolly Bove Lodge & Hutz LLP

20090310805 - Hearing aid with anti-occlusion effect techniques and ultra-low frequency response: An occluding hearing aid having anti-occlusion effect techniques combined with at least one improvement which, in the preferred embodiment, includes enhancement of acoustic output in the lower-midrange and bass frequency regions, typically between substantially 40 and 500 Hz, which regions are crucial for natural reproduction of multimedia sound and music... Agent: Tutunjian + Bitetto, P.C.

20090310806 - Hearing device with a battery compartment to accommodate a battery secured by a spring element: A battery compartment has a spring element for securing a battery in the battery compartment where the spring element is secured in the battery compartment in such a way that it can be replaced, for example upon slackening of the spring tension. According to one embodiment of the invention, the... Agent: Siemens Corporation Intellectual Property Department

20090310807 - Hearing instrument with improved venting and miniature loudspeaker therefore: The present invention relates to improvements in acoustical venting of hearing aid earmolds and to miniature loudspeakers with housing structures configured to support improved hearing aid venting. The miniature loudspeaker comprises a front chamber with first and second separate sound ports so as to allow the front chamber to form... Agent: Nixon Peabody, LLP

20090310808 - Waveguide: A waveguide configured to function as a high frequency waveguide for a high frequency sound source mounted to the waveguide, and to function as an acoustical low pass filter for a low frequency sound source mounted behind the waveguide in a multi-way loudspeaker system. The waveguide includes openings that overlay... Agent: The Eclipse Group LLP

20090310809 - Phasing plug: A phasing plug for a compression driver includes a base portion and a hub portion. The base portion includes a first side, a second side, and a plurality of apertures extending between the first and second sides. The hub portion extends from the base portion along an axis. A plurality... Agent: The Eclipse Group LLP

20090310810 - Mems microphone package with rf insensitive mems microphone chip: A micro-electro-mechanical-system microphone package includes a substrate, a micro-electro-mechanical-system microphone chip mounted on the substrate, and a cover attached to the substrate to cover the micro-electro-mechanical-system microphone chip. The cover is provided with a sound inlet through which the micro-electro-mechanical-system microphone receives external sound. The micro-electro-mechanical-system microphone chip includes a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090310811 - Voice sound input apparatus: A voice sound input apparatus, adapted to be inputted a sound and configured to output sound data, includes: a display unit; a first microphone, related to a first sound hole; a second microphone, related to a second sound hole; a signal processing unit; and a microphone holding unit, formed with... Agent: Osha Liang L.L.P.

20090310812 - Door speaker enclosure with integral water barrier and hardware attachment: A door speaker box includes an enclosure member and speaker operatively attached thereto, such that they define an acoustic volume, into which the speaker communicates. The enclosure member and speaker are configured to be installed as a speaker box unit in the vehicle door, such that speaker box unit seals... Agent: Quinn Law Group, PLLC

20090310813 - Interchangeable magnet loudspeaker: A moving coil loudspeaker has an interchangeable magnet assembly with a plurality of interchangeable magnet segments configured to be circumferentially disposed about a voice coil within the loudspeaker. Heat sink members can be arranged in between the magnet segments to absorb excess heat generated during operation of the loud speaker.... Agent: Stetina Brunda Garred & Brucker

12/10/2009 > patent applications in patent subcategories.

20090304186 - Sound processing device, speaker apparatus, and sound processing method: A sound processing device includes an inputting section which inputs L-ch audio data and R-ch audio data, a delaying section which applies a delaying process to the L-ch audio data and the R-ch audio data for a delay time that is set in a range from 62.5 microsecond to 125... Agent: Rossi, Kimms & Mcdowell LLP.

20090304187 - Automatic switching between omnidirectional and directional microphone modes in a hearing aid: The present invention pertains to a method of automatic switching between omnidirectional (OMNI) and directional (DIR) microphone modes in a binaural hearing aid comprising a first microphone system for the provision of a first input signal, a second microphone system for the provision of a second input signal, where the... Agent: Volentine & Whitt PLLC

20090304188 - Method and system for enhancing the intelligibility of sounds: A method of enhancing the intelligibility of sounds including the steps of: detecting primary sounds emanating from a first direction and producing a primary signal; detecting secondary sounds emanating from the left and right of the first direction and producing secondary signals; delaying the primary signal with respect to the... Agent: Merchant & Gould PC

20090304189 - Rendering center channel audio: An audio upmixer, such as a two-channel to three-channel upmixer, employs a difference in a measure of sound at the ears of a listener in accordance with first and second models, one based on a reproduction of the original channels and the other based on a reproduction of the upmixed... Agent: Dolby Laboratories Inc.

20090304190 - Audio signal loudness measurement and modification in the mdct domain: Processing an audio signal represented by the Modified Discrete Cosine Transform (MDCT) of a time-sampled real signal is disclosed in which the loudness of the transformed audio signal is measured, and at least in part in response to the measuring, the loudness of the transformed audio signal is modified. When... Agent: Dolby Laboratories Inc.

20090304191 - Automatic gain control system applied to an audio signal as a function of ambient noise: An automatic gain control system applied to a audio signal as a function of the ambient noise, the system comprising: an ambient noise estimator module suitable for establishing a current noise value estimated at least from a signal provided by a microphone; and an automatic gain control module suitable for... Agent: Haverstock & Owens LLP

20090304192 - Method and system for phase difference measurement for microphones: The invention provides a system for phase difference measurement. In one embodiment, the system comprises a speaker, a high-speed digital input/output (HSDIO) device, and a testing computer. The speaker plays a test voice, wherein a reference microphone converts the test voice to a reference signal, and a plurality of test... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090304193 - Devices and methods for testing the operability of audio speakers: A device for testing the operability of an audio speaker includes a housing, a unidirectional microphone and a display. The underside of the housing comprises a recessed area. The unidirectional microphone is positioned and oriented in the recessed area such that the unidirectional microphone is recessed from the underside of... Agent: Dinsmore & Shohl LLP

20090304194 - Identification method and apparatus in an audio system: An identification method and apparatus in a sound-reproduction system, in which an electrical calibration signal is created, an audio signal is created in the loudspeaker from the calibration signal, the response of the audio signal is measured and analysed, and the system is adjusted on the basis of the measurement... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090304195 - Method and device for diagnosing the operating state of a sound system:

20090304196 - Wireless vocal microphone with built-in auto-chromatic pitch correction: A series of signal processing features incorporated into its design that is both functional and decorative, to enhance convenience and performance among vocalists. A hollow, cylinder shaped body is oriented lie a conventional microphone, featuring a cardioid pickup pattern and a dynamic diaphragm, as well as a three-pin/XLR connector, a... Agent: Ronald G. Patton

20090304198 - Audio signal decorrelator, multi channel audio signal processor, audio signal processor, method for deriving an output audio signal from an input audio signal and computer program: An audio signal decorrelator for deriving an output audio signal from an input audio signal has a frequency analyzer for extracting from the input audio signal a first partial signal descriptive of an audio content in a first audio frequency range and a second partial signal descriptive of an audio... Agent: Schoppe, Zimmermann , Stockeler & Zinkler C/o Keating & Bennett, LLP

20090304197 - Distributed audio signal processing system having virtual channels: A distributed audio signal processing system having a plurality of linked audio signal processing units is disclosed. Each audio signal processing unit has physical channels for receiving and sending local audio signals and a high bandwidth interface for exchanging audio signals with other linked audio signal processing units. Each of... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20090304199 - Multiple fan acoustic interaction control: A fan control system includes a controller that is coupled to a plurality of fan couplers. A computer-readable medium is coupled to the controller and includes a first fan identification corresponding to a first fan, a second fan identification corresponding to a second fan, and at least one fan property... Agent: Haynes And Boone, LLPIPSection

20090304200 - Adaptive mode control apparatus and method for adaptive beamforming based on detection of user direction sound: An adaptive mode control apparatus and method for adaptive beamforming based on detection of a user direction sound are provided. The adaptive mode control apparatus includes a signal intensity detector that searches for signal intensity of each designated direction to detect signal intensity having a maximum value when a voice... Agent: Docket Clerk

20090304201 - Time aligned group audio reproduction in narrowband and broadband networks: A method for synchronizing media reproduction across heterogeneous networks is presented. The networks include end-to-end IP broadband and narrowband simulcast networks that contain broadband and narrowband devices associated with a common communications group. A controller in the networks determines delay times for reproduction of a media stream across devices in... Agent: Motorola, Inc.

20090304202 - Sound amplification system: A classroom sound amplification system adapted for providing information aiding at diagnosing possible erroneous or inappropriate conditions or configuration of the system is disclosed. The system comprises a microphone device converting a voice to a sound signal and connecting to a sound processing device processing the sound signal and generating... Agent: Birch Stewart Kolasch & Birch

20090304203 - Method and device for binaural signal enhancement: Various embodiments for components and associated methods that can be used in a binaural speech enhancement system are described. The components can be used, for example, as a pre-processor for a hearing instrument and provide binaural output signals based on binaural sets of spatially distinct input signals that include one... Agent: Bereskin And Parr LLP/s.e.n.c.r.l., S.r.l.

20090304204 - Controlling reproduction of audio data: For controlling the acoustic reproduction of audio data containing audio elements that are periodically repeated, movement data regarding a movement process is detected. The movement process contains recurring events. Reproduction of the audio data is controlled using the movement data in such a way that at least within a certain... Agent: Lerner Greenberg Stemer LLP

20090304205 - Techniques for personalizing audio levels: Techniques for personalizing audio levels, in accordance with embodiments of the present technology, provide different audio volumes to different locations in a room allowing for two or more users to enjoy the same audio content at different volumes. Differential level and delay compensation filtering based on a position of each... Agent: Sony C/o Murabito, Hao & Barnes LLP

20090304206 - Distributed audio signal processing system: A distributed audio signal processing system having a plurality of linked audio signal processing units is disclosed. Each audio signal processing unit has physical channels for receiving and sending local audio signals and a high bandwidth interface for exchanging audio signals with other linked audio signal processing units. Each of... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20090304207 - Sound mixing console: A sound mixing console operative for combining or processing sound signals of a plurality of input channels is described. The sound mixing console (1) comprises a plurality of sound signal input channels (2a, 2b, 2c . . . ), an input channel fader control system (10, 12) having a plurality... Agent: Michael J. Striker

20090304208 - Body motion controlled audio playing device: A body motion controlled audio playing device is disposed with a sensing switch that can be covered in a non-contact way to selectively enable such functions as startup, shutdown, mute, and volume adjustment.... Agent: Tsung-ming, Cheng

20090304209 - Bone conduction earphone: A bone conduction earphone in which a large magnetic force can be generated and which can achieve improvement of sound quality and reduction of power consumption is provided. A vibration part 3 is provided to include a first magnet 32 and a second magnet 34, which coaxially secure a voice... Agent: Kratz, Quintos & Hanson, LLP

20090304210 - Method and system for bone conduction sound propagation: A wearable surround sound system, that includes: (a) a processor, adapted to receive input signals representative of requested audio signals to be heard by the user and in response to generate multiple output signals; and (b) multiple bone conduction speakers, coupled to the processor, adapted to convey the multiple output... Agent: Pearl Cohen Zedek Latzer, LLP

20090304211 - Loudspeaker array design: Sound signals to be output from a loudspeaker array are modified by a plurality of filters designed according to an unconstrained optimization procedure to improve overall performance (e.g., power, directivity) of the loudspeaker array. More particularly, respective filters are configured to receive a signal to be output to a plurality... Agent: Microsoft Corporation

20090304212 - Flexible electret transducer assembly, speaker, and method for fabricating flexible electret transducer assembly: A flexible electret transducer assembly including an electrical backplate and a membrane made of an electret material is disclosed. A plurality of spacers is formed on a surface of the electrical backplate in a longitudinal or latitudinal direction, and the spacers are used for supporting a vibrating room of the... Agent: Jianq Chyun Intellectual Property Office

20090304213 - Stereophonic sound imaging: A method for reducing phase differences varying with frequency occurring at certain listening positions with respect to loudspeakers reproducing respective ones of multiple sound channels in a listening space, the phase differences occurring in a sequence of frequency bands in which the phase differences alternate between being predominantly in-phase and... Agent: Dolby Laboratories Inc.

20090304214 - Systems and methods for providing surround sound using speakers and headphones: A mobile device may include at least one processor configured to generate a first set and second set of processed audio signals for use in a surround sound system. The mobile device may also include at least one output port adapted to provide the first set of processed audio signals... Agent: Qualcomm Incorporated

20090304215 - Hearing aid and a method for enhancing speech intelligibility: A hearing aid (22) having a microphone (1), a processor (53) and an output transducer (12), is adapted for obtaining an estimate of a sound environment, determining an estimate of the speech intelligibility according to the sound environment estimate, and for adapting the transfer function of the hearing aid processor... Agent: Sughrue Mion, PLLC

20090304216 - Receiver in the ear (rite) component for a hearing aid: A receiver in the ear (RITE) component (1) for a hearing aid, said RITE component comprising a receiver (9) and a receiver housing (3), and a connector (4) comprising coupling means (7) for coupling the RITE component to a BTE housing component of said hearing aid, and said connector (4)... Agent: Sughrue Mion, PLLC

20090304217 - Apparatus and method for using a portable media unit: An apparatus includes a housing, a holder coupled to the housing, an output device coupled to the housing, and a cable module. The cable module includes a cable configured to move relative to the cable module and connect with a portable media device located within the holder to communicate a... Agent: Bell, Boyd & Lloyd LLP

20090304218 - Phase plug for compression driver: A phase plug comprises a body having an input side for receiving acoustic waves and an output side for transmitting acoustic waves, the body including a plurality of channels extending from the input side to the output side for propagating acoustic waves through the body. The input side comprises an... Agent: Myers Andras Sherman LLP

20090304219 - Microphone assembly and a portable electronic device using the microphone assembly: A microphone assembly (10) using in a portable electronic device includes a fixing component (12) detachably fixed to a housing (30) of the portable electronic device, and a main microphone body (14) latched to the fixing component (12). The microphone assembly (10) may be conveniently detached and increases reliability of... Agent: PCe Industry, Inc. Att. Steven Reiss

20090304220 - Earphone: An earphone includes a cylindrical portion having an opening in one end and an audio output unit which outputs sound from one face. The audio output unit is fixed to the cylindrical portion such that another face is in contact with an end face of the one end of the... Agent: Carr & Ferrell LLP

20090304221 - Loudspeaker structure of electronic device: A loudspeaker structure for an electronic device, comprising: a housing defining a frame portion, the frame portion comprises a front sound chamber and aback sound chamber; a loudspeaker secured within the frame portion; a speaker cover made of rubber materials and secured within the frame portion to seal the front... Agent: PCe Industry, Inc. Att. Steven Reiss

20090304222 - Low cost motor design for rare-earth-magnet loudspeakers: A loudspeaker magnetic motor utilizes a voice coil with two or more wire coils that are connected in parallel and that are layered on top of one another. The motor utilizes, as a magnetic field source, a permanent magnet and, more particularly, a permanent magnet that includes a rare earth... Agent: Nutter Mcclennen & Fish LLP

20090304223 - Speaker, yoke thereof and method for manufacturing yoke: A speaker includes a frame, a diaphragm, a cover, a magnetic device, and a voice coil. The cover and the diaphragm are both disposed on a first side of the frame, and the cover covers the diaphragm. The magnet device is disposed on a second side of the frame. The... Agent: Hdls Patent & Trademark Services

20090304224 - Voice coil device and speaker device using the voice coil device: An example speaker device includes a vibration system having a frame, first and second voice coils, a voice coil bobbin, a diaphragm and a magnetic circuit holder, and a magnetic circuit system having a yoke, a magnet and first and second plates. The first and second voice coils are wound... Agent: Nixon & Vanderhye, PC

20090304225 - Dome-shaped diaphragm and loudspeaker using the same: The present invention provides a dome-shaped diaphragm fabricated based on a film base of polyethylene terephthalate resin film. The diaphragm includes a first vibrating part of a dome shape or a flat shape, and a second vibrating part of an annular shape. The second vibrating part includes a peripheral portion... Agent: Kratz, Quintos & Hanson, LLP

12/03/2009 > 37 patent applications in 30 patent subcategories.
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