Electrical audio signal processing systems and devices patents - Monitor Patents
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Electrical audio signal processing systems and devices October categorized by USPTO classification 10/10

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.
10/28/2010 > patent applications in patent subcategories.

20100272269 - Center channel positioning apparatus: P

20100272270 - Self-calibrating loudspeaker system: Systems and methods for calibrating a loudspeaker with a connection to a microphone located at a listening area in a room. The loudspeaker includes self-calibration functions to adjust speaker characteristics according to effects generated by operating the loudspeaker in the room. In one example, the microphone picks up a test... Agent: The Eclipse Group LLP

20100272271 - Speaker system: A loudspeaker system capable of simultaneously providing listeners with a listening environment not giving them a feeling of strangeness. The loudspeaker system (100) comprises drive motors (111 to 113, 121 to 123) for so driving at least first R-channel loudspeaker (101) that the current first listening position is substantially included... Agent: Greenblum & Bernstein, P.L.C

20100272273 - Device for acoustically analyzing a hearing device and analysis method: A device for acoustic analysis has a first hearing device with a first sound input and a first sound output and a second hearing device with a second sound input and a second sound output. The first hearing device is in acoustic communication with the second hearing device. The first... Agent: Lerner Greenberg Stemer LLP

20100272272 - Hearing instrument using receivers with different performance characteristics: The invention regards a hearing aid comprising a receiver and a signal processing device, wherein the signal processing device is electrically coupled to a connection socket operable to detachably connect the receiver to the socket and whereby the signal processing device further comprise a detector operable to detect a characteristics... Agent: Birch Stewart Kolasch & Birch

20100272274 - Methods and systems for robust approximations of impulse reponses in multichannel audio-communication systems: Proper estimation of impulse responses is an important and challenging aspect of multichannel echo control. Various embodiments of the present invention are directed to real-time, adaptive acoustic echo cancellation methods in multichannel audio-communication systems. In particular, embodiments of the present invention use a collection of a room's past impulse responses... Agent: Hewlett-packard Company Intellectual Property Administration

20100272281 - Anr analysis side-chain data support: An ANR circuit, possibly of a personal ANR device and possibly within an ADC of the ANR circuit, feedback reference data, feedforward reference data and/or pass-through audio data is provided to a secondary downsampling (and/or decimating) filter and/or is provided to a calculating block (e.g., RMS or absolute calculation block)... Agent: Bose Corporation C/o Donna Griffiths

20100272275 - Anr settings boot loading: At initialization of an ANR circuit (i.e., at so-called boot time), attempts are made to alternately obtain ANR settings from an external storage device by operating the ANR circuit as a master of a bus and from an external processing device by operating the ANR circuit as a slave of... Agent: Bose Corporation C/o Donna Griffiths

20100272282 - Anr settings triple-buffering: An ANR circuit employs first, second and third buffers to buffer ANR settings in preparation for configuring one or more components of the ANR circuit during operation and in synchronization with the transfer of at least one piece of digital data within the ANR circuit. The first and second buffers... Agent: Bose Corporation C/o Donna Griffiths

20100272276 - Anr signal processing topology: An ANR circuit, possibly of a personal ANR device, incorporates an signal processing topology to support the provision of feedback-based ANR, feedforward-based ANR and pass-through audio in which the topology incorporates a branch in which feedback anti-noise sounds are generated from feedback reference sounds received from a feedback microphone, a... Agent: Bose Corporation C/o Donna Griffiths

20100272280 - Binaural feedfoward-based anr: In a personal ANR device having a pair of earpieces, each having a feedforward microphone and an ANR circuit associated therewith, each ANR circuit provides digital data representing environmental noise sounds detected by each ANR circuit's associated feedforward microphone. Such digital data may represent the environmental noise sounds as detected... Agent: Bose Corporation C/o Donna Griffiths

20100272283 - Digital high frequency phase compensation: In an ANR circuit of a personal ANR device, a digital filter is structured to introduce one or more zeros to add gain to introduce positive phase in the provision of feedback-based ANR, wherein the gain follows a frequency-dependent “ski-slope” gain curve with little gain added at lower audible frequencies,... Agent: Bose Corporation C/o Donna Griffiths

20100272278 - Dynamically configurable anr filter block topology: In an ANR circuit, possibly of a personal ANR device, each of a feedback ANR pathway in which feedback anti-noise sounds are generated from feedback reference sounds, a feedforward ANR pathway in which feedforward anti-noise sounds are generated from feedforward reference sounds, and a pass-through audio pathway in which modified... Agent: Bose Corporation C/o Donna Griffiths

20100272277 - Dynamically configurable anr signal processing topology: In an ANR circuit, possibly of a personal ANR device, each of a feedback ANR pathway in which feedback anti-noise sounds are generated from feedback reference sounds, a feedforward ANR pathway in which feedforward anti-noise sounds are generated from feedforward reference sounds, and a pass-through audio pathway in which modified... Agent: Bose Corporation C/o Donna Griffiths

20100272279 - Feedback-based anr adjustment responsive to environmental noise levels: An ANR circuit, possibly of a personal ANR device, monitors a sound level of environmental sounds detected by a microphone external to an earpiece in which the ANR circuit is providing feedback-based ANR, and increases or decreases the degree of feedback-based ANR provided in response to the external microphone detecting... Agent: Bose Corporation C/o Donna Griffiths

20100272284 - Feedforward-based anr talk-through: An ANR circuit, possibly of a personal ANR device, reduces the degree of feedforward-based ANR that it provides in response to receiving an indication of the operation of a manually-operable control. The reduction of degree of feedforward-based ANR may be effected by turning off or otherwise deactivating the provision of... Agent: Bose Corporation C/o Donna Griffiths

20100272285 - Masking of pure tones within sound from a noise generating source: A method and system for masking pure tones within sound generated from a noise generating source. The method includes detecting one or more pure tones within sound being generated from the noise generating source, and generating one or more masking sounds capable of masking only the one or more pure... Agent: Cantor Colburn, LLP

20100272286 - Acoustic camera: An acoustic camera comprises a first sound pick-up device, a second sound pick-up device, and a switch. The switch is respectively connected to the first sound pick-up device and the second pick-up device and used to select the first sound pick-up device or the second sound pick-up device to reconstruct... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100272287 - Patterned implantable electret microphone: An implantable microphone that includes a hermetically-sealed, enclosed volume and an electret member and back plate disposed with a space therebetween and capacitively coupleable to provide an output signal indicative of acoustic signals incident upon at least one of the electret member and back plate. At least one of the... Agent: Marsh, Fischmann & Breyfogle LLP

20100272288 - Apparatus and method for removing white noise in portable terminal: A method and an apparatus for removing white noise in a portable terminal are provided. The method for removing the white noise in the portable terminal includes measuring a volume variation of a voice signal output from a power amplifier; detecting a frequency band including white noise using the measured... Agent: Cha & Reiter, LLC

20100272289 - Method for operating a hearing apparatus and hearing apparatus with a frequency separating filter: A method operates a hearing apparatus. The hearing apparatus contains a frequency separating filter characterized by a threshold frequency, which splits an input signal into a low-frequency signal component and a high-frequency signal component. The hearing apparatus further has a first device, which can be used to set the threshold... Agent: Lerner Greenberg Stemer LLP

20100272290 - Loudness consistency at program boundaries: Improving loudness consistency of an audio stream may include delaying an encoded audio stream and adjusting the delayed encoded audio stream based at least in part on the loudness of the audio stream before a transition and the loudness of the audio stream after the transition. Improving loudness consistency of... Agent: Ip Docket Benesch Friedlander Coplan & Aronoff LLP

20100272291 - Capacitor microphone and impedance converter therefor: An impedance converter for a capacitor microphone includes: a vacuum tube that receives an output signal from a capacitor microphone unit through a grid and with which the signal is output as an output from a cathode follower; an FET in cascade connection with the vacuum tube and that defines... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20100272292 - Method and device for controlling the broadcasting of audio contents by two loudspeakers: The broadcasting of audio contents by two loudspeakers is controlled by delivering a first audio content to the two loudspeakers and a further processing in which an auxiliary audio content is received. A second audio content is formed by temporally delaying the auxiliary audio content with a delay dependent on... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20100272293 - Amplifier circuit audio circuit and electronic device: An amplifier circuit which, includes a first input for receiving a first input signal and a second input for receiving a second input signal. A first amplifier section is connected to the first input and the second input is present. The first amplifier section can combine the first signal and... Agent: Freescale Semiconductor, Inc. Law Department

20100272294 - Two-channel amplifier with common signal: A two-channel amplifier with common signal including a splitter for establishing three intermediate signals on the basis of two input signals, wherein the three intermediate signals represent two channels, one of the three intermediate signals being a common signal common to both of the two channels and having a representation... Agent: Cantor Colburn, LLP

20100272295 - Speaker device having directivity adjustment panel: The invention provides a speaker device having wide directivity and exhibiting excellent frequency characteristics with a simple configuration, and to this end, a directivity adjustment panel is arranged to cover one part of a vibration region of a vibration plate of a speaker unit, the directivity adjustment panel being arranged... Agent: Wenderoth, Lind & Ponack L.L.P.

20100272296 - Microphone having diaphragm ring with increased stability: A microphone includes a housing; a back volume within the housing; a diaphragm within the housing; a backplate attached to the housing; and a diaphragm ring connected to the diaphragm. The diaphragm ring has a body defined by an outer perimeter and at least a first inner perimeter and a... Agent: Fitch Even Tabin & Flannery

20100272297 - Method and arrangement for fitting a hearing system: m

20100272298 - Method of operating a hearing device and a hearing device:

20100272299 - Body-worn wireless transducer module: The present invention relates to an externally worn transducer module (1) for use with an implant (101), which module (1) comprises: —a transducer (5) for converting energy into electrical signals, —a wireless interface (19), configured to transfer data signals to and/or from the implant (101), and receive electrical power from... Agent: Traskbritt, P.C.

20100272300 - Device for holding vehicle sensors: A device for holding vehicle sensors in a vehicle, wherein the device includes a housing, at least one holder for mobile terminals, wherein the first holder for mobile terminals is designed such that the mobile terminals are affixed to the housing via the holder by a releasable connection, and the... Agent: Ratnerprestia

20100272301 - Horn loudspeaker and a sound source: A horn loudspeaker, in particular for reproducing bass sound in public address systems, in which the horn (23) is mounted directly to the driver element (21) without any intervening compression chamber. The back side of the driver element (21) is covered by a back chamber (24) designed with walls of... Agent: Knobbe Martens Olson & Bear LLP

20100272302 - Arrangement comprising a microphone: An arrangement includes a circuit carrier and a housed microphone. A mounting side of the housed microphone is mounted on a top side of the circuit carrier. The housed microphone includes solderable contacts on the mounting side and a sound entry opening facing the circuit carrier. An acoustic channel connects... Agent: Slater & Matsil, L.L.P.

20100272303 - Headset: A headset has a hollow housing having a front wall with at least one sound hole formed thereon, and a rear wall facing the front wall having a plurality of air holes formed thereon. A loudspeaker unit is disposed in the housing and adjacent to the sound hole. An adjustive... Agent: Lin & Associates Intellectual Property, Inc.

20100272304 - Eyewear retention device: What is provided is an eyewear retention device comprising two ends, wherein each end is adapted for removable connection to an earpiece of an eyewear device; an audio device located at or substantially near at least one of the ends, wherein the audio device is adapted to play one or... Agent: Traverse Legal, PLC

20100272305 - Headset with earphones: A headset including a cord having a plug on a first end and a first lead cord and a second lead cord on a second end, wherein the first lead cord is connected to a first speaker and the second lead cord is connected to a second speaker, a plurality... Agent: Workman Nydegger 1000 Eagle Gate Tower

20100272306 - Loudspeaker cover: The present invention relates to a loudspeaker cover comprising a light guide arranged for receiving light from a light source, wherein the light guide comprises at least one hole to allow sound to be emitted through the cover, and wherein the at least one hole is arranged for dispersing the... Agent: Philips Intellectual Property & Standards

20100272307 - Image display device: An image display device comprises a housing comprising a front cabinet and a back cabinet. Inside the housing, arranged are a flat display panel, a speaker which emits voice forward, and a circuit board which displays an image on the flat display panel and transmits an audio signal to the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100272308 - Speaker apparatus for use in vehicle: A speaker apparatus in accordance with the present invention is for use with a vehicle having a compartment and is to be mounted to the vehicle. The speaker apparatus includes: an interior member including a hole edge that defines an attachment hole; a speaker unit configured to be placed in... Agent: Greenblum & Bernstein, P.L.C

20100272309 - Electrostatic speaker systems and methods: An electrostatic speaker system including at least one electrostatic speaker element having a pair of stators and a diaphragm therebetween, each of the stators and the diaphragm having an least one electrically conductive portion. The conductive portion of the diaphragm is patterned as a mesh, which may include gaps, and... Agent: Final Sound International Pte Ltd.

20100272310 - Microcap acoustic transducer device: A device includes a first wafer, a second wafer, a gasket bonding the first wafer to the second wafer to define a cavity between the first wafer and the second wafer, and an acoustic transducer disposed on the first wafer and disposed within the cavity between the first wafer and... Agent: Kathy Manke Avago Technologies Limited

10/21/2010 > patent applications in patent subcategories.

20100266133 - Sound processing apparatus, sound image localization method and sound image localization program: A sound processing apparatus includes: a filter means for providing a sound signal with a frequency-gain characteristic according to a spectrum difference between a previously measured first head-related transfer function of a sound generated from a virtual sound image position to an ear of a listener and a previously measured... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20100266134 - System for active noise control with an infinite impulse response filter: An active noise control (ANC) system includes at least one infinite impulse response filter (IIR). The IIR filter generates an output signal based on an input signal representative of an undesired sound. The ANC system generates an anti-noise signal based on the output signal of the IIR filter. The anti-noise... Agent: Harman - Brinks Hofer Indy Brinks Hofer Gilson & Lione

20100266135 - Vehicle interior active noise cancellation: A vehicle has an electric drive mode, a body defining a vehicle interior, a first and second set of audio speakers positioned outside and inside of the interior, respectively, and a controller. The controller generates an acoustic signal, broadcasts the acoustic signal via the first set of speakers during an... Agent: Quinn Law Group, PLLC

20100266136 - Apparatus, method and computer program: a housing configured to be positioned in a user's external ear; a loudspeaker located at a first position within the housing and configured to provide an acoustic signal; a microphone configured to detect an acoustic signal located at a second position within the housing; a filter configured to filter an... Agent: Harrington & Smith

20100266137 - Noise cancellation system with gain control based on noise level: A noise cancellation system is provided, for generating a noise cancellation signal to be added to a wanted signal to mitigate the effects of ambient noise. The system comprises: an input, for receiving an input signal representing ambient noise; a detector, for detecting a magnitude of said input signal; and... Agent: Dickstein Shapiro LLP

20100266138 - Device and method for active sound damping in a closed interior space: In order to achieve in closed interior spaces an active sound damping which is effective over a wide frequency range as well as under different acoustic conditions it is proposed according to the invention to identify the or each transmission path of the interference signal and to arrange the at... Agent: Nixon & Vanderhye, PC

20100266139 - Sound collecting device, sound collecting method, sound collecting program, and integrated circuit: The present invention provides a sound collecting device capable of, even when using a freely-movable microphone, generating multichannel signals realizing sound image localization without processing using information about the current position of the microphone. The sound collecting device includes: reference microphones fixedly placed so as to correspond to the respective... Agent: Wenderoth, Lind & Ponack L.L.P.

20100266140 - Voice input/output automatic switching circuit used in hand-held microphone with speaker of communication device such as transceiver: An object of the invention is to provide a voice input/output automatic switching circuit used in a hand-held microphone with speaker of a communication device such as a transceiver. In the voice input/output automatic switching circuit, a circuit for detecting a handsfree speaker/microphone can be simply configured without requiring a... Agent: Schmeiser, Olsen & Watts

20100266141 - Processing an audio signal: A method and apparatus for processing an audio signal to enhance the perceived lower frequency content of the audio signal when played through an audio output device, includes an input configured to receive an audio input signal, a processor configured to filter the audio input signal to produce a high... Agent: Richard M. Goldberg

20100266142 - Prevention of audio signal clipping: The invention discloses a method and a circuit for preventing clipping of an audio signal. The method comprises determining the highest amplitude frequency components of the audio signal in the frequency domain, and then reducing the amplitudes of these frequency components until a level of clipping of the audio signal... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20100266143 - Frequency-warped audio equalizer: In certain embodiments, an improved audio equalization filter can be generated by frequency warping one or more digital filters having a plurality of frequency bands. Frequency warping can include, for example, transforming at least some of the frequency bands of the one or more digital filters into lower frequency bands.... Agent: Knobbe Martens Olson & Bear LLP

20100266144 - Audio processing chip and audio signal processing method thereof: An audio processing chip includes a connecting port, an audio amplifier module and a pulse width modulation (PWM) control circuit. The connecting port receives a pulse width modulation (PWM) signal; the audio amplifier module amplifies an audio signal according to a control signal to thereby output an audio output signal;... Agent: North America Intellectual Property Corporation

20100266145 - Apparatus, methods and computer programs for converting sound waves to electrical signals: An apparatus comprising: a first member including a plurality of portions separated from one another by electrical insulator material; a second member configured to form capacitors with the plurality of portions of the first member; and wherein one of the first member and the second member are configured to vibrate... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20100266146 - Integrated circuit device, voice input device and information processing system: An integrated circuit device includes a circuit board (1200′), the circuit board including a first diaphragm (714-1) that forms a first microphone, a second diaphragm (714-2) that forms a second microphone, and a differential signal generation circuit (720) that receives a first voltage signal obtained by the first microphone and... Agent: Crowell & Moring LLP Intellectual Property Group

20100266147 - System and method for audio mixing: Methods and systems for assigning functionality to a plurality of physical input controls of an audio mixing system involve: providing an interface for enabling an operator to select one of a plurality of audio channels and one of a plurality of mixing functional areas, wherein each of the plurality of... Agent: Oliver Strimpel, Patent Counsel Avid Technology, Inc.

20100266148 - Transducer with deformable corner: A transducer generates acoustic energy. The transducer is suitable for incorporation into any device that needs sound reproduction capability, including devices with generally rectangular geometries such as cell phones, PDAs, and portable gaming devices. The transducer includes a displaceable membrane with a deformable corner. The deformable corner may extend the... Agent: The Eclipse Group LLP

20100266149 - In-wall sub-woofer with high-volume displacement: An in-wall speaker system having at least one pair of active transducers mounted in a wall section. The active transducers may be mounted in at least one enclosure. Each active transducer has a sound radiating surface. Each active transducer is also mounted substantially perpendicular to a surface of the wall... Agent: The Eclipse Group LLP

20100266150 - Sound capturing and guiding system from stereo speakers that packed together in one closed box, to be heard as stereo sound that comes from various directions: A stereo speaker sound capturing and guiding system. The system includes devices that connected on each one of the stereo speakers as a cap. The device covers the speaker cones in hermetic way that captures the sound of the specific speaker and don't let the sound mixed with the sound... Agent: Omer Arye Wax

20100266151 - Hearing system with joint task scheduling: The method for operating a hearing system (1) comprising a first (2A) and a second (2B) processing unit, comprises the step of jointly scheduling at least one task to be executed in said first processing unit (2A) and at least one task to be executed in said second processing unit... Agent: Pearne & Gordon LLP

20100266152 - Method and acoustic signal processing device for estimating linear predictive coding coefficients: A method and an appropriate acoustic signal processing device estimate a set of linear predictive coding coefficients of a microphone signal using minimum mean-square error estimation with a codebook containing several predetermined sets of linear predictive coding coefficients. The method includes determining sums of weighted backward transition probabilities describing the... Agent: Lerner Greenberg Stemer LLP

20100266153 - Electronically compensated micro-speakers and applications: Electronics for altering the audio frequency response of a micro-speaker without modifying the micro-speaker itself; the micro-speaker having a resonant peak region. In one embodiment the electronics includes a first circuit for flattening the frequency response curve up to the resonant peak region, and a second circuit for flattening the... Agent: Rodey, Dickason, Sloan, Akin & Robb, Pa

20100266154 - Structure of speaker: An improved structure of a speaker comprises a speaker frame disposed with a yoke at a lower end, the yoke is disposed with a magnet that is sleeved with a voice coil pipe; a lower damper is sleeved onto the voice coil pipe through a hole, with an outer edge... Agent: Wpat, PC Intellectual Property Attorneys

- None available for 10/01/2010

- None available for 10/7/2010

Previous industry: Cryptography
Next industry: Image analysis


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