Electrical audio signal processing systems and devices patents - Monitor Patents
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Electrical audio signal processing systems and devices April category listing, related patent applications 04/09

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.
04/30/2009 > patent applications in patent subcategories.

20090110201 - Method, medium, and system encoding/decoding multi-channel signal: A multi-channel signal decoding method is provided. A down-mixed signal representative of a multi-channel signal is decoded, and parameters representing characteristic relations between channels of the multi-channel signal are decoded. An additional parameter is estimated by using the decoded parameters, and the decoded down-mixed signal is up-mixed by using the... Agent: Stanzione & Kim, LLP

20090110204 - Distributed spatial audio decoder: This invention describes a method for decentralized decoding of a multichannel audio signal by broadcasting the original encoded data and distributing the decoding process between a plurality of receiving units. This allows for the design and manufacture of scalable multichannel audio reproduction systems having an arbitrary number of output channels,... Agent: Creative Labs, Inc. Legal Department

20090110203 - Method and arrangement for a decoder for multi-channel surround sound: The basic concept of the present invention is to extrapolate a partially known spatial covariance matrix of a multi-channel signal in the parameter domain. The extrapolated covariance matrix is used with the downcoded downmix signal in order to efficiently generate an estimate of a linear combination of the multi-channel signals.... Agent: Ericsson Inc.

20090110202 - Method of processing a signal: “Method of processing an input sound signal into at least one output signal by means of room simulation processing, the method including processing the input sound signal into at least two sound signal components, each sound signal component representing room simulation of the input signal when having a predefined directivity... Agent: Cantor Colburn, LLP

20090110206 - Method and apparatus for sensing a signal absence of audio and automatically entering low power mode: An electronic device having a unique audio sensing method that senses the event of no audio for a predetermined period of time. The sensed information is used by a microprocessor to bring the device into a low-power mode. The same method may be used to bring a device into active... Agent: Stainbrook & Stainbrook, LLP

20090110205 - Portable sound system testing apparatus: A portable sound system testing apparatus at least includes: an AC power module adapted to provide connected AC power to the apparatus; a power switch module adapted to switch power to the apparatus ON and OFF; an AC-to-DC conversion module adapted to convert AC power received into DC power suitable... Agent: Advantia Law Group

20090110207 - Method and apparatus for speech dereverberation based on probabilistic models of source and room acoustics: Speech dereverberation is achieved by accepting an observed signal for initialization (1000) and performing likelihood maximization (2000) which includes Fourier Transforms (4000).... Agent: Harness, Dickey & Pierce, P.L.C

20090110208 - Apparatus, medium and method to encode and decode high frequency signal: A method and apparatus to encoding or decoding an audio signal is provided. In the method and apparatus, a noise-floor level to use in encoding or decoding a high frequency signal is updated according to the degree of a voiced or unvoiced sound included in the signal.... Agent: Stanzione & Kim, LLP

20090110209 - System for comfort noise injection: A noise injection system adds comfort noise to an audio signal. The system includes a background noise estimator that determines a spectral content of a background noise associated with the audio signal. A comfort noise generator generates a comfort noise signal having a random phase. A gain circuit adjusts the... Agent: Harman - Brinks Hofer Chicago Brinks Hofer Gilson & Lione

20090110211 - Supplemental audio output box: An audio system for a motor vehicle is provided, including an audio head unit that generates an audio signal. One or more external speakers are provided that receive the audio signal and produce an acoustic output within the motor vehicle. A supplemental output interface receives the audio signal through a... Agent: Brouse Mcdowell Lpa

20090110210 - Vehicle audio system including door-mounted components: An audio system includes mounting one or more speakers on the surface between an exterior side panel and an interior side panel of a door on a vehicle. The one or more speakers may face substantially along an axis in the longitudinal direction of the door. When the door is... Agent: Bose Corporation C/o Donna Griffiths

20090110212 - Audio transmission system and communication conference device: In an audio transmission system, a control section of a communication conference device emits measurement sound waves from a loudspeaker array to a terminal unit and measures the time until a response is received, thereby detecting the position of the terminal unit. The control section sets directivity characteristics so that... Agent: Pillsbury Winthrop Shaw Pittman LLP

20090110213 - Programmable integrated microphone interface circuit: An integrated circuit for providing programmable microphone interface includes an input terminal for receiving an input signal and an output terminal for providing an output audio signal. The integrated circuit includes a bias circuit, an amplifier circuit, and two feedback circuits. The bias circuit provides a microphone bias signal to... Agent: Townsend And Townsend And Crew, LLP

20090110214 - Controlled charging and use of power source: A circuit to supply power to a load incorporates a first power source, a second power source that may be detachable, a power converter and at least one capacitor (capacitive element), where the first power source is capable of powering the load when charged, where the second power source is... Agent: Bose Corporation C/o Donna Griffiths

20090110215 - Audio adapter having volume adjusting function: An audio adapter includes a first audio interface, a second audio interface, and two second amplifiers. The power pin of the second audio interface is connected to the non-inverting terminals of the two amplifiers. The left and right ear audio pins of the second audio interface are respectively connected to... Agent: PCe Industry, Inc. Att. Steven Reiss

20090110217 - Digital/analogue conversion apparatus: A digital/analog conversion apparatus for converting a digital signal into an analog signal. The digital/analog conversion apparatus can generate a high-quality analog signal, even when elements configuring the digital/analog conversion apparatus have variance, with high resolution and a small circuit size. The data conversion apparatus is provided with a first... Agent: Staas & Halsey LLP

20090110216 - Wireless acoustic speaker mount: A Wireless Acoustic SPeaker mount, or WASP, is disclosed that serves as both a wireless speaker adapter and a speaker mount. Some embodiments include a separate transmitter that obtains wired acoustic signals from an acoustic source and transmits them wirelessly to the WASP. WASP's can include a digital and/or analog... Agent: Russ Weinzimmer

20090110218 - Dynamic equalizer: A dynamic equalization system 12 for use in audio reproduction systems. The apparatus includes a chirp tone generator 38 which produces a tone having multiple frequencies. The chirp tone is broadcast into the listening space 10 from a transducer 14. The broadcast chirp tone is monitored by a second transducer... Agent: Henneman & Associates, PLC

20090110219 - Speaker array system: A speaker array system for outputting, with a simplified construction, sounds audible with a nearly uniform sound volume within an arbitrarily set area. The speaker array system includes a speaker array having speaker units, a delay unit for supplying the speaker units with delayed audio signals generated by adding delays... Agent: Rossi, Kimms & Mcdowell LLP.

20090110220 - Method for processing a multi-channel audio signal for a binaural hearing apparatus and a corresponding hearing apparatus: Wearers of hearing apparatuses and in particular of hearing device systems having two speakers are to be able to enjoy the experience of spatial multi-channel reproduction. Provision is accordingly made to generate a dual-channel audio signal for a binaural hearing apparatus comprising a multi-channel audio signal having at least three... Agent: Siemens Corporation Intellectual Property Department

20090110221 - Hearing apparatus using an inductive switching controller as a radio transmitter: The installation size of hearing apparatuses and in particular of hearing devices is to be reduced. Provision is thus made for a hearing apparatus with a transmitting facility including an antenna for the wireless, electromagnetic transmission of data and a switching controller including an inductor, which is used to supply... Agent: Siemens Corporation Intellectual Property Department

20090110222 - Hearing aid device: A hearing aid device, including a switch being operable to open and close an electric circuit of the device; and a battery locating means for selectively locating a battery within said device for electrical communication with said electric circuit, wherein the switch inhibits the battery locating means from removing the... Agent: Siemens Corporation Intellectual Property Department

20090110223 - Technology delivery, positioning and sound management system and method for use in the ear canal: An in-the-ear technology delivery, positioning and sound management system comprises a body portion that provides support for a conformable fitting element adapted to be positioned in the user's ear canal and which is structured and arranged to anchor sound management technologies and medical instrumentalities at selected positions in the canal... Agent: Polsinelli Shughart PC

20090110224 - Bumper with speaker: A sound projecting bumper may include a vehicle bumper configured to be attached to a vehicle, the bumper comprising a plurality of uprights and at least one generally horizontal member, the bumper further comprising a horn for emitting sound, the horn comprising a driver, a cone, a speaker and a... Agent: Beem Patent Law Firm

20090110225 - Method and apparatus for sound source localization using microphones: A method and apparatus for sound source localization using microphones are disclosed. The method includes: receiving signals coming from a sound source through microphones covering all directions; distinguishing the received signals into those signals directly input to the microphones from the sound source (direct signals) and those signals indirectly input... Agent: Cha & Reiter, LLC

20090110226 - Earpad and headphones: There is provided an earpad that is attachable to a housing capable of containing an audio signal processing unit and includes a ring-shaped cushioning member and a covering member covering the ring-shaped cushioning member. In the earpad, the ring-shaped cushioning member includes an outer ring member, a middle ring member... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090110227 - Earphone earbud stabilizer: A springy or malleable conformable wire or wirelike stabilizer structure attached to an earbud microphone or earphone that maintains maximal contact with the wall structures of the ear around the wall of the concha region of the ear and the wall under the overhang of the helix providing a secure... Agent: Allen L. Prince

20090110228 - Speaker device with automatically recovered resonance space: A speaker device with an automatically recovered resonance space is provided. A flexible speaker is installed in the speaker device, and the flexible characteristic thereof can be fully utilized. When the speaker device is not used, the inner space thereof can be minimized by compression. When the space is minimized,... Agent: Jianq Chyun Intellectual Property Office

20090110229 - Wall mountable object with differently shaped finish options: A speaker mount has differently shaped coverings. Preferred speakers have a mount that is coupled to a base. The speaker has two interchangeable covers with speaker grills that fit over the mount and have two visibly different shapes.... Agent: Fish & Associates, PC Robert D. Fish

04/23/2009 > patent applications in patent subcategories.

20090103737 - 3d sound reproduction apparatus using virtual speaker technique in plural channel speaker environment: Disclosed herein is an apparatus for providing 3D sound through plural-channel speakers. The apparatus includes a stereo channel virtual speaker generation device for performing spreading of low-pitch ranges and high-pitch ranges on input left and right channel signals, performing spreading of sound images and preservation of front sound images using... Agent: Birch Stewart Kolasch & Birch

20090103738 - Method for binaural synthesis taking into account a room effect: The invention concerns a method for three-dimensional spatialization of audio channels from a filter BRIR filter incorporating a theater effect. For a specific number N of samples corresponding to the size of the pulse response of the BRIR filter, it consists in breaking down (A) the BRIR filter into at... Agent: Mckenna Long & Aldridge LLP

20090103739 - Method and apparatus to facilitate use of background noise when providing secure access to equipment: A user interface device provides secure access to equipment. An audio reception device is adapted to receive an audio input comprising background noise and to receive an audio user code from a user. A user input device receives a manual input comprising a manual user code from the user. A... Agent: Fitch Even Tabin And Flannery

20090103740 - Audio signal processing device and audio signal processing method for specifying sound generating period: Even in a state that the change of an environmental noise cannot be anticipated, a sound generating period in an audio signal can be specified with high accuracy. Sound in an audio space in which an audio signal processing system 1 is disposed is always collected by a microphone 20... Agent: Morrison & Foerster, LLP

20090103741 - Method of correction of acoustic parameters of electro-acoustic transducers and device for its realization: The invention relates to the field of acoustics, in particular to methods and devices of correction of acoustic parameters of electro-acoustic transducers and can be applied for improvement of playback parameters of acoustic signals of various electro-acoustic transducers. The offered method of correction of acoustic parameters of electro-acoustic transducer is... Agent: Amster, Rothstein & Ebenstein LLP

20090103742 - Hearing aid apparatus: There is described a hearing aid comprising input transducer means for converting input acoustic signals into electrical input signals, signal processor means and output transducer means. The signal processor means is operable to divide said electrical input signals into a plurality of frequency bands and to perform a contrast enhancement... Agent: The Tpl Group

20090103743 - Echo canceller: An echo canceller includes a residual signal generation unit, a double talk detection unit, a nonlinear processor, a speech detection unit, and an input/output characteristic change unit. The residual signal generation unit generates a pseudo echo signal, and generates a residual signal by using the pseudo echo signal. The double... Agent: Studebaker & Brackett PC

20090103744 - Noise cancellation circuit for electronic device: A noise cancellation circuit for an electronic device includes a first input configured to receive an audio signal from a microphone included in the electronic device, and a second input configured to receive an accelerometer output signal from an accelerometer included in the electronic device. In addition, the noise cancellation... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20090103745 - Headset with active noise compensation: There is provided an earphone comprising an electroacoustic reproduction transducer, a microphone (40) for recording interference sound and an active noise compensation unit for compensating for noise based on the interference sound recorded by the microphone (40). The earphone further has a housing (10) for accommodating the microphone (40) and... Agent: Townsend And Townsend And Crew, LLP

20090103746 - Audio adapter having volume adjusting function: An audio adapter includes a first audio interface and a second audio interface. The first audio interface includes a left ear audio pin and a right ear audio pin. The second audio interface includes a left ear audio pin and a right ear audio pin. The left ear audio pin... Agent: PCe Industry, Inc. Att. Steven Reiss

20090103747 - Power saving file transmission in portable multimedia device: A device for sending digital multimedia files from a digital player to an external player, for example in the vehicle. The digital files in the digital player are sent over the interface, while the playing circuitry, such as the audio circuitry, is turned off. This saves power. Additional power saving... Agent: Scott C Harris

20090103748 - Sound generating apparatus: An object is to enhance workability in attachment in a sound generating apparatus that generates sound by vibrating a vibration plate with a vibrator while ensuring acoustic performance as good as that achieved by fastening with fine screw threads. Workability in attaching operation is improved while ensuring acoustic performance as... Agent: Oliff & Berridge, PLC

20090103749 - Microphone array processor based on spatial analysis: An array processing system improves the spatial selectivity by forming multiple steered beams and carrying out a spatial analysis of the acoustic scene. The analysis derives a time-frequency mask that, when applied to a reference look-direction beam (or other reference signal), enhances target sources and substantially improves rejection of interferers... Agent: Creative Labs, Inc. Legal Department

20090103750 - Suppressing output offset in an audio device: A digital offset is combined with an audio signal in the digital domain to cancel an output offset caused by one or more analog components processing the same audio signal. In this manner, the offset at the output of the audio signal path (e.g., at a power amplifier output) is... Agent: Qualcomm Incorporated

20090103751 - Sound volume leveler for speed sensitive volume: A system and method for adjusting an output sound signal for an audio device includes a speed sensitive volume transfer unit, a dynamic processing unit and a sound volume update unit. The speed sensitive volume transfer unit is configured to output a volume gain signal based on a speed sensitive... Agent: Visteon/brinks Hofer Gilson & Lione

20090103752 - Device and method for automatically adjusting gain: A device and method are provided for automatically adjusting gain, including a conversion module for converting an audio time-domain signal to an audio frequency-domain signal, an analysis module for analyzing the audio frequency-domain signal in accordance with an equal-loudness level contour of human hearing so as to generate strength weightings... Agent: Apex Juris, PLLC

20090103753 - Three-dimension array structure of surround-sound speaker: The present invention provides a single column surround-sound speaker with multiple speaker unit arrangements. In one aspect of the present invention, the single column surround-sound speaker includes a cylinder with at least three openings formed thereon spirally, at least three full range speakers attached in the openings, a base supporting... Agent: Birch Stewart Kolasch & Birch

20090103754 - Hearing apparatus with a common connection for shielding and identification of a receiver: A hearing apparatus with an external receiver is to be made even smaller. Provision is accordingly made for a hearing apparatus with a housing and a receiver device that is removably electrically coupled to the housing, said receiver device having an electronic identification element and having a receiver that is... Agent: Siemens Corporation Intellectual Property Department

20090103755 - Receiver: A receiver for a hearing aid device that converts input electric signals, generated by a solenoid located adjacent a proximate region of a casing of the receiver, to acoustic waves which are emitted from an output of the casing remote from the proximate region, wherein the receiver is adapted to... Agent: Siemens Corporation Intellectual Property Department

20090103756 - Multi-media device: A multi-media device includes a media body which is a board and includes an electronic part and a support member is a board and includes a pivot portion which is pivotably connected to the media body. A first interface uses a communication protocol and has a mechanical connection.... Agent: Lin & Associates Intellectual Property, Inc.

20090103758 - Acoustic system: An acoustic system is described for accurately reproducing sound. The acoustic system generally includes driver which produces a plurality of higher frequency pressure waves at larger amplitudes and produces lower frequency pressure waves at smaller amplitudes. A passage is provided which serves as an amplifier and resonator for the lower... Agent: Law Offices Of Eugene M. Cummings, P.C.

20090103757 - Speaker box: A speaker box is provided. The speaker box includes a flexible speaker and a housing. The flexible speaker includes an electret vibrating-film layer. The housing includes a first assembly part and a second assembly part partially connected with each other. A combining device is used to combine unconnected parts of... Agent: Jianq Chyun Intellectual Property Office

20090103759 - Wireless earphone with an indicating light: A wireless earphone with an indicating light includes a cover, a hanger connected to the cover, a housing, a microphone, an indicating light and a PCB. An outer hole is opened in the cover. The housing is accepted in the cover. An inner hole is opened in the housing and... Agent: Wpat, PC Intellectual Property Attorneys

20090103760 - Earphone with removable component: An earphone or a removable component for use with an earphone are disclosed. As an example, the removable component can be a cap, filter or cover. According to one aspect, a headphone can provide improved approaches to substantially prevent foreign matter from hindering performance. However, when foreign matter has nevertheless... Agent: Technology & Innovation Law Group, PC

20090103761 - Removable microphone: A removable microphone includes an engaging member for engaging with an ear cup of a headphone; a first signal transmission interface provided on the engaging member for electrically connecting to a second signal transmission interface provided on the ear cup of the headphone; a signal transmission unit provided on the... Agent: Schmeiser, Olsen & Watts

20090103762 - Headphones: There is provided headphones that include a pair of left and right earcups, an audio signal processing unit contained in the earcups, a headband connecting the left and right earcups respectively through a hanger, and a cord to supply a signal to the audio signal processing unit. In the headphones,... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090103763 - Earphone and a method for providing an improved sound experience: The present invention provides an earphone comprising an electro-active polymer that is adapted such that the outer circumference of a resilient member of the earphone is responsive to an electric voltage, enabling providing essentially sealing the ear canal when the resilient member of the earphone at least partly is inserted... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20090103764 - Removable ear tip for earphone: An earphone or a removable component for use with an earphone are disclosed. As an example, the removable component can be an ear tip. According to one aspect, an improved ear tip can be provided for use with a headphone. The ear tip is suitable for in-ear operation and has... Agent: Technology & Innovation Law Group, PC

20090103765 - Headset for fitting of an earpiece: Headset for fitting an earpiece that has a lock housing in or on which a fixing device is provided. A flexurally rigid and elastic ear loop which forms a loop for accommodating the outer ear of a user, and one end of the ear loop is received longitudinally displaceable in... Agent: Shlesinger, Arkwright & Garvey LLP

20090103766 - Method and apparatus for providing an expandable accoustical volume: A speaker system with an inner element movable in relation to an outer element, where an expanded position is one in which the inner volume of the housing is large and where a speaker is exposed for providing audio. In a contracted position, the volume is smaller and the speaker... Agent: Harness, Dickey & Pierce, P.L.C

20090103767 - Speaker, image element protective screen, case of terminal and terminal: Arrangement of an internal component (not shown) arranged in the vicinity of the top side is different from that of the hinge side of an image element protective screen (2). An actuator (5) is fixed to the top side of the image element protective screen (2) and an actuator (4)... Agent: Nec Corporation Of America

20090103768 - Communication headset: A communication headset includes a housing. The housing includes a shell defining a gap on a sidewall thereof and an upper cover defining a pivot hole and a locating hole. An earpiece and an ear hook are disposed on the top of the upper cover. A microphone arm has a... Agent: Wpat, PC Intellectual Property Attorneys

04/16/2009 > patent applications in patent subcategories.

20090097663 - Joint sound synthesis and spatializaiton: The invention concerns a process for joint synthesis and spatialization of multiple sound sources in associated spatial positions, including: a) a step of assigning to each source at least one parameter (pi) representing an amplitude; b) a step of spatialization consisting in implementing an encoding into a plurality of channels,... Agent: Mckenna Long & Aldridge LLP

20090097664 - Applause attenuation system: A method and apparatus for attenuating applause from a satellite radio signal, including, a spectrum analyzer and comparator having an internal memory for obtaining a spectral signature of different sounds in the radio signal, a detector automatically detecting whether the sounds contain applause, an attenuator attenuating the sounds containing applause;... Agent: Mendelsohn & Associates, P.C.

20090097665 - Sound volume automatic adjustment method and system: A control method to automatically adjust the volume of a sound transmitter based on the measurement and the computation of the acoustic statistics of the room where the sound is emitted. The system comprises at least one sensor, a calculator determining statistics of the signal collected by the at least... Agent: Goudreau Gage Dubuc

20090097666 - Method and apparatus for compensating for near-field effect in speaker array system: A method and apparatus for compensating for a near-field effect in a speaker array system is provided. The method includes generating a virtual sound signal at a position, which is separated from a speaker array by a predetermined distance, based on an input sound signal, and outputting the generated virtual... Agent: Staas & Halsey LLP

20090097667 - Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system: The present invention relates to a method and a circuit for testing a tweeter, said tweeter being part of a loudspeaker system, wherein the method includes the steps of: applying a high-frequency voltage signal to one terminal of said tweeter, said high-frequency voltage signal being generated by first electronic means;... Agent: Seed Intellectual Property Law Group PLLC

20090097668 - Method and apparatus for canceling non-uniform radiation patterns in array speaker system: An array speaker system canceling non-uniform radiation patterns and a method for implementing the same are provided. The method for canceling non-uniform radiation patterns includes predicting radiation patterns in an array speaker with respect to input signals, generating cancellation signals with respect to at least one region corresponding to non-uniform... Agent: Staas & Halsey LLP

20090097669 - Acoustic system for providing individual acoustic environment: An acoustic system uses a self speaker installed to be at the back of a listener in a first individual space and an error microphone installed to be closer to the listener than the self speaker. A sound-leakage reduction filter generates control sound for negating sound leaked from another speaker... Agent: Oliff & Berridge, PLC

20090097671 - Distributed acoustic conversation shielding system: A conversation shielding system comprises sensors that detect the location of a confidential conversation and the presence and location of a potential eavesdropper, audio output devices that produce masking sounds to shield the conversation from the eavesdropper, and a controller that automatically controls the operation of the output devices in... Agent: Norma E Henderson Henderson Patent Law

20090097670 - Method, medium, and apparatus for extracting target sound from mixed sound: A method, medium, and apparatus for extracting a target sound from mixed sound. The method includes receiving a mixed signal through a microphone array, generating a first signal whose directivity is emphasized toward a target sound source and a second signal whose directivity toward the target sound source is suppressed... Agent: Staas & Halsey LLP

20090097672 - Apparatus and method for sharing contents via headphone set: The present invention relates to sharing of content between multiple users. A data player(10) decodes pre-stored audio data therein using a decoding function, and a converter converts the decoded digital data to analog to a headphone set in communication with the data player. When another user places his or her... Agent: Philips Intellectual Property & Standards

20090097674 - Vehicle accessory microphone: A microphone assembly includes one or more transducers (2210) that are positioned in one or more housings. A preprocessing circuit (2215) includes a inverted comb filter (2245) for eliminating predetermined frequencies between harmonics of the human voice in a predetermined frequency range. A processing circuit (2220) coupled to the preprocessing... Agent: Price, Heneveld, Cooper, Dewitt, & Litton, LLP/gentex Corporation

20090097673 - Vehicle-mounted device: The present invention is equipped with a USB interface 7 for being connected to a portable music player that is an external device, a browser button 27, a rotary encoder button 26, a back button 28, CPU 31 for acquiring a content list CL from the portable music player, RAM... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090097676 - Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal: Audio signal processing relating to the measurement and control of the perceived sound loudness and/or the perceived spectral balance of an audio signal is useful, for example, in one or more of: loudness-compensating volume control, automatic gain control, dynamic range control (including, for example, limiters, compressors, expanders, etc.), dynamic equalization,... Agent: Gallagher & Lathrop, A Professional Corporation

20090097675 - Sound providing system: A performance sound supplying system includes a plurality of performer amplifiers that are disposed adjacent to performers of musical instruments positioned at different locations on a stage and reproduces supplied performance sound signals as sounds. Plural performance sound signals provided by the guitar, the keyboard, the base and the drum... Agent: Konrad Raynes & Victor, LLP

20090097677 - Enhancing comprehension of phone conversation while in a noisy environment: In one embodiment, one or more users may be participating in a conversation. In one example, a first user may be speaking into a speaker end device and a second user may be listening at a listener end device. The second user may be in an environment where noise may... Agent: Trellis Intellectual Property Law Group, PC

20090097678 - Digital microphone and power supply unit for a digital microphone: Provided is a digital microphone having a power supply. In this case the power supply is configured so as to provide a P48 V phantom power.... Agent: Townsend And Townsend And Crew, LLP

20090097679 - Acoustic system for providing individual acoustic environment: To provide an acoustic system including: a sound-leakage reducing unit that generates control sound for negating sound leaked from another speaker in a second individual space to a first individual space based on a leak sound transfer function and an error path transfer function to provide the control sound; a... Agent: Oliff & Berridge, PLC

20090097680 - Method to operate a hearing device and arrangement with a hearing device: A hearing device has a transfer function adjustable by a set of parameters. The hearing device can have two microphones, a processing unit, and a speaker unit. A direction identification unit is operationally connected to the processing unit. Communication between a user of the hearing device and at least one... Agent: Pearne & Gordon LLP

20090097681 - Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management: Systems, devices and methods for communication include an ear canal microphone configured for placement in the ear canal to detect high frequency sound localization cues. An external microphone positioned away from the ear canal can detect low frequency sound, such that feedback can be substantially reduced. The canal microphone and... Agent: Townsend And Townsend And Crew, LLP

20090097682 - Computerized rule based binaural modeling system for the hearing aid design: The invention relates to a method for implementing an automated hearing aid modeling system that is a computerized rule-based binaural modeling system which includes performing a hearing-aid class dependent processing on the hearing aid shell design. Features of the hearing aid shell are recognized and attributes associated with these features... Agent: Siemens Corporation Intellectual Property Department

20090097683 - Method and apparatus for a hearing assistance device using mems sensors: The present subject application relates to hearing assistance systems and in particular to a method and apparatus for detecting user activities from within a hearing assistance system using micro electro-mechanical structure sensors. Such benefits include the reduction of the ampclusion effect and other excessive sound pressure buildup in the residual... Agent: Schwegman, Lundberg & Woessner, P.A.

20090097685 - Actuator systems for oral-based appliances: Actuator systems for oral-based appliances utilizing transducers which are attached, adhered, or otherwise embedded into or upon a dental or oral appliance to form a hearing aid assembly. Such oral appliances may be a custom-made device which receives incoming sounds and transmits the processed sounds via a vibrating transducer element.... Agent: Levine Bagade Han LLP

20090097684 - Methods and apparatus for transmitting vibrations: Methods and apparatus for transmitting vibrations via an electronic and/or transducer assembly through a tooth or teeth are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a removable oral appliance to form a hearing aid assembly. Such an oral appliance may be a custom-made... Agent: Levine Bagade Han LLP

20090097686 - Boundary microphone: A boundary microphone, comprising: a base made of a metal; a cover made of a metal having a plurality of holes for introducing sound waves; and internal components including a microphone unit that is disposed in an internal space enclosed by the base and the cover; a first metallic part... Agent: Sughrue Mion, PLLC

20090097687 - Diaphragm for a condenser microphone: A microphone for transducing between an acoustical signal and an electrical signal, comprises a housing and a motor assembly disposed within the housing. The motor assembly includes a backplate and a diaphragm attached to the backplate via a spacer. The diaphragm comprising a ring and a film, the diaphragm vibrates... Agent: Marshall, Gerstein & Borun LLP

20090097688 - Audio equipment attachable to spectacles: Audio equipment comprising a signal generating module (26) arranged to output signals to a pair of speakers (20), wherein the speakers (20) are mounted upon respective housings (18), adapted to be carried by a glasses frame unit (30).... Agent: Joel D. Skinner, Jr. Skinner And Associates

20090097689 - Sports monitoring system for headphones, earbuds and/or headsets: A monitoring system that can be placed proximate to the head or ear of a user is disclosed. According to one embodiment, the monitoring system can be used with headphones, earbuds or headsets. The monitoring system can, for example, be used to monitor user activity, such as during exercise or... Agent: Technology & Innovation Law Group, PC

20090097690 - Adjustable earphone: An earphone includes a body with a surrounding side, a rotatable loop and an ear hook. The rotatable loop is pivotally connected with the body on two opposite ends of the surrounding side. The body and the rotatable loop can rotate around a first axis and with respect to each... Agent: North America Intellectual Property Corporation

20090097691 - Integrated speaker and display: An integrated speaker and display that includes a display and a speaker assembly. The display is substantially integrated within the speaker assembly. The display is embedded between a coil of the speaker assembly and/or magnets of the speaker assembly. The speaker assembly may include a diaphragm located either on a... Agent: Moore And Van Allen PLLC For Semc

20090097692 - Screen speaker system: A screen speaker system (10) includes a screen (12) for projecting a video by a projector and drives the screen (12) to emit audio from the screen (12). The screen speaker system (10) further includes a drive body (50) for driving the screen (12) and at least one piezoelectric element... Agent: Eric Robinson

20090097693 - Planar-magnetic speakers with secondary magnetic structure: A planar magnetic transducer having enhanced magnetic structures which increases performance over a signal-ended device but mitigates some of the drawback of double ended devices, including a supporting structure, a diaphragm incorporating a coil conductor at least primary magnetic structure, and a secondary magnetic structure can be added, including mitigation... Agent: Thorpe North & Western, LLP.

20090097694 - Electro-acoustic transducer and electronic device: An electro-acoustic transducer according to the present invention comprises: a diaphragm; a casing which is formed with an opening in a part thereof for directly or indirectly supporting therein the diaphragm; a first magnetic pole section which is provided on a side of the opening with respect to the diaphragm... Agent: Wenderoth, Lind & Ponack L.L.P.

04/09/2009 > patent applications in patent subcategories.

20090092258 - Correlation-based method for ambience extraction from two-channel audio signals: A method of ambience extraction includes analyzing an input signal to determine the time-dependent and frequency-dependent amount of ambience in the input signal, wherein the amount of ambience is determined based on a signal model and correlation quantities computed from the input signals and wherein the ambience is extracted using... Agent: Creative Labs, Inc. Legal Department

20090092257 - Multi-channel audio treatment system and method: m

20090092259 - Phase-amplitude 3-d stereo encoder and decoder: A two-channel phase-amplitude stereo encoding and decoding scheme enabling flexible and spatially accurate interactive 3-D audio reproduction via standard audio-only two-channel transmission. The encoding scheme allows associating a 2-D or 3-D positional localization to each of a plurality of sound sources by use of frequency independent inter-channel phase and amplitude... Agent: Creative Labs, Inc. Legal Department

20090092260 - Automatic external defibrillator with enhanced clarity of audible prompts: An automatic external defibrillator produces audible prompts for a user by providing the audible information with default audio characteristics in response to a first ambient noise condition and providing the audible information having different audio characteristics than the default audio characteristics in response to a second ambient noise condition. An... Agent: Philips Medical Systems Philips Intellectual Property & Standards

20090092262 - Managing acoustic noise produced by a device: One embodiment of the present invention provides a system that manages the acoustic noise produced by a device. During operation, the system receives a set of acoustic characteristics for the device. The system then uses these acoustic characteristics to estimate the acoustic noise being generated by the device. Next, the... Agent: Pvf -- Apple Inc. C/o Park, Vaughan & Fleming LLP

20090092261 - Reducing annoyance by managing the acoustic noise produced by a device: One embodiment of the present invention provides a system that reduces annoyance by managing the acoustic noise produced by a device. During operation, the system receives a set of acoustic characteristics for noise-producing components within the device. The system then uses these acoustic characteristics to estimate the acoustic noise being... Agent: Pvf -- Apple Inc. C/o Park, Vaughan & Fleming LLP

20090092263 - Systems and methods for delivering directional audio and personalized emergency alerts via addressable speakers: A public address system installed in a building or other region being monitored can communicate with a regional fire detection system. Responsive to information received from the fire detection system as to developing dangerous conditions, a control unit for the public address system can adaptively create one or more evacuation... Agent: Honeywell International Inc.

20090092264 - Audio output device and method: An audio output device and method capable of preventing generation of pop noise by a relatively simple and small-sized circuit configuration and control timing. A D/A converter converts a digital audio signal to an analog audio signal. A non-inverting amplifier amplifies the analog audio signal. A signal output from the... Agent: Volentine & Whitt PLLC

20090092265 - Audio dosage control: A method for controlling consumer exposure to audio dosage for a composite audio signal, the method comprising: sampling the composite audio signal; transforming the sampled audio signal, using a fast fourier transform algorithm, to produce a signal representative of the amplitude of component frequencies of the audio signal; comparing the... Agent: Young & Thompson

20090092266 - Wireless audio system capable of receiving commands or voice input: A wireless audio system includes a host, a transmitter, and a receiver. The host includes a controller for controlling operations of the host, application software executed by the controller for producing audio signals, and a first electrical connector for connecting to a second electrical connector of the transmitter. The transmitter... Agent: North America Intellectual Property Corporation

20090092267 - Switching audio power amplifier with de-noise function: The invention provides a switching audio power amplifier with de-noise function, including a first comparator, a second comparator, a logic control unit, a de-noise circuit, and a bridge circuit. The first comparator and the second comparator respectively generate the first PWM signal and the second PWM signal, and then the... Agent: Jianq Chyun Intellectual Property Office

20090092268 - Electronic apparatus of splittable type: The present invention discloses an electronic apparatus of splittable type comprising at least two speaker portions, the two speaker portions are connected by electro-wires, wherein in one speaker portion is provided a winding mechanism for pulling-out and retracting-in the electro-wires; each of the speaker portions has a voice chamber, and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090092269 - Hearing aid with a flexible elongated member: A hearing aid includes a shell for accommodation of a signal processor for processing an audio signal into a processed audio signal, and a receiver that is connected to an output of the signal processor for converting the processed audio signal into an acoustic sound signal, and a flexible elongated... Agent: VistaIPLaw Group LLP

20090092270 - Hearing aid: Hearing aid with a first housing part to accommodate an electrical energy source, a second housing part to accommodate an electronic component and a third housing part to transmit an acoustic stimulus into the ear of a user, wherein the housing parts have a detachable, fluid-tight connection to one another... Agent: Siemens Corporation Intellectual Property Department

20090092271 - Energy delivery and microphone placement methods for improved comfort in an open canal hearing aid: A hearing aid device for placement in an ear of a user includes an elongate support and a transducer. The elongate support has a proximal portion and a distal end, and the transducer is attached to the elongate support near the distal end. The support is adapted to position the... Agent: Townsend And Townsend And Crew, LLP

20090092272 - Speaker structure: A speaker structure contains a removable food container as a resonant box. The speaker structure contains a baffling device. The baffling device contains a baffle and means for retaining an open top of the food container that is attached to the baffle. When the food container is incorporated with the... Agent: Wpat, PC Intellectual Property Attorneys

20090092273 - Silicon microphone with enhanced impact proof structure using bonding wires: A backplateless silicon microphone and a wire protection method for improved impact resistance are disclosed. A circular diaphragm is surrounded by a circular spring having a plurality of slots and perforations to facilitate air damping reduction, release of in-plane stress, and improve out-plane flexibility. Anchored at a substrate, the circular... Agent: Saile Ackerman LLC

20090092274 - Silicon condenser microphone having additional back chamber and sound hole in pcb: A silicon condenser microphone has an additional back chamber and a sound hole in a PCB. The microphone includes a case for blocking an external sound; a substrate including a chamber case, a MEMS chip having an additional back chamber formed by the chamber case, an ASIC chip for operating... Agent: Keusey, Tutunjian & Bitetto, P.C.

20090092275 - Multiple speakers: A multiple speakers, including: A sound box has a long flat body and a long first voice face at front. Both sides of the first voice face incline separately to from a second voice face. A first speaker unit places inside the sound box including a left speaker and a... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090092276 - Flexible universal tweeter back mount: A speaker mounting system that mounts a speaker to a panel that may not be entirely flat. The speaker mounting system may include an adapter having a flexible flange that is configured to be attached to the panel and that is made of flexible material that readily enables the flexible... Agent: Mcdermott Will & Emery LLP

04/02/2009 > patent applications in patent subcategories.

20090086982 - Crosstalk cancellation for closely spaced speakers: A technique for canceling acoustic crosstalk is provided including a pre-processing filter and a crosstalk cancellation device. The pre-processing filter may be configured to obtain first and second channel signals and compensate or adjust the first and/or second channel signals for anticipated subsequent stage distortion by the crosstalk cancellation device.... Agent: Qualcomm Incorporated

20090086983 - Method and system for transmitting audio signals: A system and method of transmitting audio signals. Frequency modulated carrier signals that each have an audio signal are mixed. The mixed signal is converted into a low voltage signal into which a feed voltage is coupled. The coupled signal is transmitted through a single line of a transmission cable... Agent: Brooks Kushman P.C. / Lear Corporation

20090086984 - Method and apparatus for reducing noise in an audio signal: A technique for reducing inherent noise in a real time digital audio wireless system. The technique allows for low power stereo analog to digital and digital to analog converters to be used in a battery operated real time digital audio wireless applications. The audio signal is sent to the left... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090086985 - Apparatus and method for testing audio jacks of sound card: An apparatus and a method for testing audio jacks of a sound card are applicable for detecting whether at least one audio jack of the sound card in a personal computer (PC) sounds normally. Each audio jack provides at least one sound channel for transmitting a sound signal. The testing... Agent: Rabin & Berdo, PC

20090086986 - Efficient audio signal processing in the sub-band regime: A signal processing system enhances an audio signal. The audio signal is divided into audio sub-band signals. Some audio sub-band signals are excised. Other audio sub-band signals are processed to obtain enhanced audio sub-band signals. At least a portion of the excised audio sub-band signals are reconstructed. The reconstructed audio... Agent: Harman - Brinks Hofer Chicago Brinks Hofer Gilson & Lione

20090086987 - Method and system for removal of clicks and noise in a redirected audio stream: There is provided a method of redirecting an audio stream from a first audio endpoint to a second audio endpoint in a computer operating system. The method includes directing the audio stream from a client application through a first audio resource stack to the first audio endpoint; creating an audio... Agent: Conexant Systems, Inc

20090086990 - Active noise control using bass management: An active noise cancellation system reduces, at a listening position, the power of a noise signal being radiated from a noise source to the listening position. The system includes an adaptive filter that receives a reference signal representing the noise signal, and provides a compensation signal. A bass management unit... Agent: O'shea Getz P.C. Suite 912

20090086989 - Method and system for providing fast and accurate adaptive control methods: In accordance with a particular embodiment of the present invention, a method is offered that includes providing a low-pass filter in an adaptive filter architecture employing a fast steepest descent method. The method further includes decomposing an error signal, injecting a small change to one or more weight parameters for... Agent: Baker Botts L.L.P.

20090086988 - Noise reduction headsets and method for providing the same: A headphone (49) of a noise-reduction headset (40) includes an ear cup (41), an external microphone (42), an internal loudspeaker (43), and a controller (33) between the external microphone and the internal loudspeaker. The external microphone receives external noise sound signals. The control unit converts the external noise sound signals... Agent: PCe Industry, Inc. Att. Steven Reiss

20090086991 - Headset: Provided is a headset including a main housing and a speaker housing that are integrally formed with each other and a rear-side sound-leakage preventing section to shield sound emitted towards a rear side of a speaker. To this end, the headset includes a main housing integrally formed with a speaker... Agent: H.c. Park & Associates, PLC

20090086992 - Microphone circuit and charge amplifier thereof: The invention provides a microphone circuit. In one embodiment, the microphone circuit comprises a microphone, a self-biased amplifier with a finite gain, and a feedback capacitor. The microphone coupled between a ground and a first node generates a first voltage at the first node according to sound pressure. The self-biased... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090086993 - Sound source direction detecting apparatus, sound source direction detecting method, and sound source direction detecting camera: Disclosed herein is a sound source direction detecting apparatus including: a plurality of microphones configured to collect sounds from a sound source in order to form an audio frame; a frequency decomposition section configured to decompose the audio frame into frequency components; an error range determination section configured to determine... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090086994 - Method for reducing audio noise of display and driving device thereof: A method for reducing audio noise of a display is provided. A horizontal synchronization signal, a reference signal and a substrate voltage signal are generated. The reference signal has a preset width at high level status. The status transition of the substrate voltage signal is based on each scan line... Agent: Jianq Chyun Intellectual Property Office

20090086995 - Automatic bass management: A method for an automatic equalization of sound pressure levels in at least one listening location, where the sound pressure is generated by a first and at least a second loudspeaker, comprising supplying an audio signal of a programmable frequency to each loudspeaker, where the audio signal supplied to the... Agent: O''shea Getz P.C.

20090086996 - System and method for processing audio signal: The present invention provides for methods and systems for digitally processing an audio signal. Specifically, the present invention provides for a speaker system that is configured to digitally process an audio signal in a manner such that studio-quality sound that can be reproduced.... Agent: Don J. Pelto Sheppard, Mullin, Richter & Hampton LLP

20090086997 - System and method for increasing ring tone volume: A method for increasing ring tone volume is provided. The method includes steps of: reading an audio file which is set as a current ring tone; determining whether the ring tone is a MP3 audio file or a musical instrument digital interface (MIDI) audio file; adjusting frequencies by using an... Agent: PCe Industry, Inc. Att. Steven Reiss

20090086998 - Method and apparatus for identifying sound sources from mixed sound signal: A method and apparatus for discriminating sound sources from a mixed sound is provided. The method includes separating sound source signals from a mixed sound signal including a plurality of sound source signals that are input through a microphone array, estimating a transfer function of a mixing channel mixing the... Agent: Staas & Halsey LLP

20090086999 - Acoustic transducer and microphone using the same: An acoustic transducer comprises a substrate, a membrane configured to move relative to the substrate, a number of supports configured to suspend the membrane over the substrate, a first group of projections extending from the membrane, and a second group of projections extending from the substrate, the second group of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090087000 - Array speaker system and method of implementing the same: Provided are an array speaker system and a method of implementing the same. The array speaker system includes a group setting unit setting one or more combinations of a plurality of speakers included in an array speaker system into at least one group according to a predetermined adjustment factor, a... Agent: Staas & Halsey LLP

20090087001 - Decorative loudspeaker grille: A loudspeaker grille for a wall-mount loudspeaker in a home environment is disclosed, which comprises a frame attached directly to a wall where a loudspeaker being mounted, the loudspeaker enclosure lending no support to the frame, and a cover stretched across the frame, the cover being substantially transparent to acoustic... Agent: Peigen Jiang

20090087002 - Electrostatic speaker: An electrostatic speaker is constituted of a vibrator, conductive cloths, and elastic members, which are laminated together and woven together using strings. Since all the constituent elements are restrained in positioning by strings, the overall structure thereof is not substantially changed even when the electrostatic speaker is deformed in shape... Agent: Smith Patent Office

20090087003 - System and method for determining an in-ear acoustic response for confirming the identity of a user: A system and method is provided for confirming the identity of a user, where the confirmation is made using biometric data. The system includes an internal speaker having an audio port, which is positioned within the ear of the user, and is adapted for producing a signal having one or... Agent: Motorola Inc

20090087004 - Operating device for a hearing aid: An especially small operating device for a hearing aid, but one which is nevertheless simple for a user to actuate manually, which still enables a multiplicity of different operating functions in a simple and clear manner is provided. The use of a fingerprint sensor is provided for this purpose, whereby... Agent: Siemens Corporation Intellectual Property Department

20090087005 - Fully automatic switching on/off in hearing aids: In a hearing aid system comprising two hearing aids between which wireless signal transmission is provided. The hearing aids are automatically switched on and off. To this end, a field strength or value of an electromagnetic signal received by a hearing aid that is transmitted from the respective other hearing... Agent: Siemens Corporation Intellectual Property Department

20090087006 - Sound tube for a hearing device: A sound tube is provided for the transmission of sound from a hearing device that can be worn on the ear to the auditory canal of the user with a first tube piece, to whose first end an adapter is secured for connection to the hearing device, and a second... Agent: Siemens Corporation Intellectual Property Department

20090087007 - Belly pouch speaker system: The present invention provides a belly pouch speaker system for delivering music to a pregnant belly for facilitating prenatal development. The system generally includes a pouch having a pair of speaker compartments, each having a corresponding speaker positioned therein. The pouch further includes a central compartment, disposed between the speaker... Agent: Julia G. Paris

20090087008 - Sound reproduction with improved low frequency characteristics: A sound reproduction system (10) is disclosed in which a sound barrier (14) defines a horn passageway having an upstream (22) and a downstream section (24). A driver (12) is mounted at the throat (16) of the upstream section (22) so that its rearward directed output communicates with the downstream... Agent: Olson & Cepuritis, Ltd.

20090087009 - Microphone assembly with a replaceable part: The invention relates to a microphone assembly comprising a housing, a microphone element within the housing, a base element, contacting elements, a removable element, and connecting means. The housing is configured such that it may be opened and re-closed. The base element is positioned inside the housing and comprises one... Agent: Nixon Peabody, LLP

20090087010 - Carrier chip with cavity: A microphone apparatus includes a carrier chip and a microphone chip. The carrier chip includes a substrate with parallel top and bottom surfaces, a metallization layer overlying the top surface, and a cylindrical cavity that is bored through the top surface and the metallization layer and partially through the carrier... Agent: Patent Group 2n Jones Day

20090087011 - Portable terminal with built-in antenna: Provided is a portable terminal including a first housing, a second housing coupled to the first housing for sliding relative to the first housing while adjacent to the first housing, an antenna device disposed in the first housing, and a speaker module comprising at least one speaker unit and being... Agent: JeffersonIPLaw, LLP

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