Electrical audio signal processing systems and devices patents - Monitor Patents
FreshPatents.com Logo    FreshPatents.com icons
Monitor Keywords Patent Organizer File a Provisional Patent Browse Inventors Browse Industry Browse Agents

USPTO Class 381  |  Browse by Industry: Previous - Next | All     monitor keywords
01/2010 | Recent  |  14: Apr | Mar | Feb | Jan | 13: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 12: Dec | Nov | Oct | Sep | Aug | July | June | May | April | Mar | Feb | Jan | 11: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 10: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan |  | 09: Dec | Nov | Oct | Sep | Aug | Jl | Jn | May | Apr | Mar | Fb | Jn |  | 2008 | 2007 |

Electrical audio signal processing systems and devices January recently filed with US Patent Office 01/10

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.
01/28/2010 > patent applications in patent subcategories. recently filed with US Patent Office

20100020978 - Method and apparatus for rendering ambient signals: An apparatus and method for communications is disclosed. The apparatus includes a receiver configured to scale an audio signal, and a transducer circuit configured to provide an ambient signal in response to an ambient condition, wherein the receiver is further configured to scale the ambient signal from the transducer circuit... Agent: Qualcomm Incorporated

20100020979 - Adaptive long-term prediction filter for adaptive whitening: The invention relates to a hearing instrument for processing an input sound to an output sound according to a user's needs. The invention further relates to a method of estimating acoustic feedback in a hearing instrument. The object of the present invention is to reduce the impact of tonal components... Agent: Birch Stewart Kolasch & Birch

20100020980 - Apparatus and method for removing noise: Disclosed is a method of efficiently removing noise. The method includes: deciding a noise section by attenuating characteristics of a voice in a voice signal mixed with noise; determining the type of the noise in the decided noise section; and removing the noise from the noise-mixed voice signal by using... Agent: Stanzione & Kim, LLP

20100020981 - Spectral content modification for robust feedback channel estimation: The invention relates to a listening device for processing an input sound to an output sound according to a user's needs. The invention further relates to a method of reducing acoustic feedback in a listening device and to the use of a listening device. The object of the present invention... Agent: Birch Stewart Kolasch & Birch

20100020982 - Donned/doffed multimedia file playback control: Methods and apparatuses for headset wearing mode based operation are presented. A headset system includes a first earbud and a second earbud. One or both earbuds have a detector which indicates whether the earbud is donned or doffed. Operation of the headset is modified based on the donned or doffed... Agent: Plantronics, Inc.IPDepartment/legal

20100020983 - Wireless speaker dongle with auxiliary audio output: A wireless audio signal transmitter is presented that routes audio signals to either a wired or a wireless sound output device. The transmitter selects whether the audio signal is transmitted over a wireless antenna to a wireless device, or is transmitted to a physically attached device. The transmitter may take... Agent: Beck And Tysver P.l.l.c.

20100020984 - Signal processing system and method: A signal processing system comprises a microphone (20), a subtractor (22) arranged to receive an output of the microphone (20), an amplifier G arranged to receive an output of the subtractor (22), a rear loudspeaker (24) arranged to receive an output of the amplifier G, a front loudspeaker (26) arranged... Agent: Philips Intellectual Property & Standards

20100020985 - Method and apparatus for reducing audio artifacts: An apparatus and method for processing signals are disclosed. The apparatus may include a receiver configured to receive an audio signal having a plurality of audio artifacts, and an audio circuit configured to reduce the audio artifacts during at least a portion of a time period as a function of... Agent: Qualcomm Incorporated

20100020986 - Single-microphone wind noise suppression: A technique for suppressing non-stationary noise, such as wind noise, in an audio signal is described. In accordance with the technique, a series of frames of the audio signal is analyzed to detect whether the audio signal comprises non-stationary noise. If it is detected that the audio signal comprises non-stationary... Agent: Fiala & Weaver, P.l.l.c. C/o Cpa Global

20100020987 - Signal absorption induction circuit: This patent pertains to a new technique of increasing the amount of energy absorbed by an antenna. It accomplishes this by broadcasting a spike that attracts the signal when the fields of its oscillating charge are at their strongest.... Agent: David Morgan

20100020988 - Individual audio receiver programmer: Methods and devices to compensate for individual hearing loss when listening to audio systems are described. An individualized frequency configuration is applied to the output of an audio system wherein the volume of audio signals at one or more frequencies is adjusted to compensate for a user's hearing deficit. The... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20100020989 - Method for operating a hearing device and a hearing device: A method to operate a hearing device and a hearing device are disclosed comprising a plurality of source units (S1, . . . , Sn). The method comprises the steps of monitoring activities of the source units (S1, . . . , Sn), selecting input signals of active source units... Agent: Pearne & Gordon LLP

20100020990 - Sound generator for use in parametric array: A sound generator includes a transducer converting electric energy to mechanical energy, a mechanical amplifier mechanically amplifying a vibration generated in a piezoelectric component of the transducer, and a radiation plate radiating a sound wave from a signal amplified by the mechanical amplifier, wherein the radiation plate includes a first... Agent: Occhiuti Rohlicek & Tsao, LLP

20100020991 - Diaphragm of mems electroacoustic transducer: A diaphragm of an MEMS electroacoustic transducer including a first axis-symmetrical pattern layer is provided. Because the layout of the first axis-symmetrical pattern layer can match the pattern of the sound wave, the vibration uniformity of the diaphragm can be improved.... Agent: J C Patents

20100020992 - Hearing aid with memory space for functional settings and learned settings, and programming method thereof: The invention provides a hearing aid comprising a microphone, a signal processing unit, an output unit which generates an output signal perceivable as sound, whereby the signal processing unit comprises a first memory M1 for receiving and storing programming settings which determines the functionality of an amplifier and analyser within... Agent: Birch Stewart Kolasch & Birch

20100020993 - Hearing aid with uv sensor and method of operation: A hearing aid and a method for operating a hearing aid include a signal processing device operable by using different signal processing parameters and a UV sensor connected to the signal processing device. The signal processing device can set at least one signal processing parameter as a function of an... Agent: Lerner Greenberg Stemer LLP

20100020994 - Antenna integrated with retrieval component of hearing aid: A hearing aid that includes an antenna attached to the retrieval component. Since the retrieval component extends outside of the ear canal when the main body of the hearing aid is placed within the ear canal, the attached antenna also extends outside of the ear canal. Thus, much of any... Agent: Workman Nydegger 1000 Eagle Gate Tower

20100020996 - Codebook based feedback path estimation: The invention relates to a hearing instrument for processing an input sound to an output sound according to a user's needs. The invention further relates to a method of operating a hearing instrument and to use of a hearing instrument. The object of the present invention is to provide an... Agent: Birch Stewart Kolasch & Birch

20100020995 - System for reducing acoustic feedback in hearing aids using inter-aural signal transmission, method and use: The invention relates to a hearing aid system comprising first and second spatially separated hearing instruments, the system being adapted for processing input sounds to output sounds according to a user's needs. The invention further relates to a method and use. The object of the present invention is to provide... Agent: Birch Stewart Kolasch & Birch

20100020997 - Hearing aid with transparent electrical hearing tube: The invention relates to a hearing aid with a housing, a receiver disposed outside the housing and a transparent hearing tube to connect the receiver to the housing. At least one electrical line made of transparent, conductive polymer is provided in the hearing tube to connect the receiver electrically to... Agent: Siemens Corporation Intellectual Property Department

20100020998 - Headset wearing mode based operation: Methods and apparatuses for headset wearing mode based operation are presented. A headset system includes a first earbud and a second earbud. One or both earbuds have a detector which indicates whether the earbud is donned or doffed. Operation of the headset is modified based on the donned or doffed... Agent: Plantronics, Inc.IPDepartment/legal

20100020999 - Speaker module of electronic device: An acoustic speaker module of a portable electronic device includes an acoustic housing, an acoustic speaker, a chip card and an elastic member. The acoustic housing has an accommodation space, a first opening and a second opening. The acoustic speaker is seamlessly connected with the first opening. The chip card... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100021000 - Sound producing system: A sound producing system includes an electro-acoustic transducer having an electromagnetic motor for moving a diaphragm of the transducer back and forth to create acoustic waves. The diaphragm has a surface that includes one or more of a surface of a dust cap of the diaphragm, a surface of a... Agent: Bose Corporation C/o Donna Griffiths

01/21/2010 > patent applications in patent subcategories. recently filed with US Patent Office

20100014680 - Method and an apparatus for decoding an audio signal: A method for processing an audio signal, comprising: receiving a downmix signal, an object information, and a mix information; generating a multi-channel information including at least one gain modification factor using the object information and the mix information, wherein the gain modification factor corresponds to a time-subband-variant factor for controlling... Agent: Fish & Richardson P.C.

20100014679 - Multi-channel encoding and decoding method and apparatus: Provided are a multi-channel encoding and decoding method and apparatus capable of encoding and decoding residual signal by removing redundant information between a plurality of channels without a downmixed signal. In the method and apparatus, a reference signal which is to be used for encoding from a plurality of channel... Agent: Staas & Halsey LLP

20100014681 - Noise suppression method, device, and program: The noise suppression device includes: a shock noise detection unit which receives an input signal including a shock noise and detects a shock noise according to a change of the input signal; and a shock sound suppression unit which receives the shock sound detection result and the input signal so... Agent: Sughrue Mion, PLLC

20100014682 - Audio processing apparatus and method thereof to provide hearing protection: An audio processing apparatus, and method thereof, to provide hearing protection during audio playback in a portable multimedia device. The method includes sampling audio signals and ambient noise signals for a predetermined time frame, calculating means of audio energy and noise level accumulated for the predetermined time frame, from the... Agent: Stanzione & Kim, LLP

20100014685 - Adaptive noise control system: An active noise cancellation system that reduces, at a listening position, power of a noise signal radiated from a noise source to the listening position. The system includes an adaptive filter, at least one acoustic actuator and a signal processing device. The adaptive filter receives a reference signal representing the... Agent: O''shea Getz P.C.

20100014683 - Noise reduction device: A noise reduction device including a noise detection microphone including a high-frequency noise detection microphone and a low-frequency noise detection microphone for respectively detecting a high-frequency noise and a low-frequency noise generated from a noise source; a noise control unit for generating a control sound signal for cancelling a noise... Agent: Pearne & Gordon LLP

20100014684 - Audio headphone provided with device to prevent audio feedback: An ear muff used with a headset containing two ear muffs. Both of the ear muffs are provided with a loudspeaker and a microphone for sensing ambient noise. An active noise reduction (ANR) circuitry is utilized to cancel the ambient noise. An immobile or inflexible disc is provided within each... Agent: Hoffman, Wasson & Gitler, P.C. Suite 522

20100014686 - Hearing protection: “A hearing protection unit includes two sound damping cups for placing around a user's ears. A retainer device positions the cups and applies a compressive force on the cups. The retainer device includes a front band which extends between the front edge of each respective cup across the user's forehead,... Agent: 3m Innovative Properties Company

20100014687 - Automatic input sensitivity selector for auxiliary devices: An audiovisual system including a circuit coupled to the first input and having an adjustable sensitivity control and a detector configured to detect the presence of a signal from the second input. The sensitivity control is responsive to the detector to set the sensitivity for a first input sensitivity level... Agent: Young Basile

20100014688 - Automotive audio system adapted for roadway conditions: A vehicle mounted audio multimedia system has a variable audio volume adapted to changes in the condition of a road surface. A vehicle occupant manually sets a desired audio volume level. Motion is sensed within a suspension system of the vehicle during travel of the vehicle. A roughness value is... Agent: Mark L. Mollon

20100014690 - Beamforming pre-processing for speaker localization: Embodiments of the present invention relate to methods, systems, and computer program products for signal processing. A first plurality of microphone signals is obtained by a first microphone array. A second plurality of microphone signals is obtained by a second microphone array different from the first microphone array. The first... Agent: Sunstein Kann Murphy & Timbers LLP

20100014689 - Systems and methods for intra-oral based communications: Systems and methods are disclosed for capturing sound for communication by mounting one or more intra-oral microphones to capture sound; and mounting a mouth wearable communicator in the oral cavity to communicate sound with a remote unit.... Agent: Levine Bagade Han LLP

20100014691 - Autonomous volume control: An autonomous volume control device is described which has detectors for measuring tilt and acceleration in one or more axes. The amount of tilt and acceleration is used as an indication of the amount and type of vehicle activity, thus being used also to control the volume of the vehicle's... Agent: David E. Wilder

20100014692 - Apparatus and method for generating audio output signals using object based metadata: An apparatus for generating at least one audio output signal representing a superposition of at least two different audio objects comprises a processor for processing an audio input signal to provide an object representation of the audio input signal, where this object representation can be generated by a parametrically guided... Agent: Schoppe, Zimmermann , Stockeler & Zinkler C/o Keating & Bennett, LLP

20100014693 - Apparatus and method for inputting a command, method for displaying user interface of media signal, and apparatus for implementing the same, apparatus for processing mix signal and method thereof: An apparatus for inputting commands required for controlling a mix signal and method thereof are disclosed. The present invention includes an input unit, a control unit converting an input signal received via the input unit to a per-source menu display command, the control unit controlling a per-source menu display image... Agent: Birch Stewart Kolasch & Birch

20100014694 - Audio amplifier: The embodiments described herein relate to amplifier circuits with power rails. The power rails are generated in response to an input signal, which will typically be an audio signal, and with a sufficient magnitude to power the amplifier and to generate an output signal corresponding to the input signal.... Agent: Bereskin And Parr LLP/s.e.n.c.r.l., S.r.l.

20100014695 - Method for bias compensation for cepstro-temporal smoothing of spectral filter gains: A method for modification of a cepstro-temporally smoothed gain function of a gain function resulting in a bias compensated spectral gain function is provided. The cepstro-temporal smoothing increases the quality of an enhanced output signal, as it affects only spectral outliers caused by estimation errors, while the speech characteristics are... Agent: Siemens Corporation Intellectual Property Department

20100014696 - Hearing device: In of for a hearing device (2) acoustical attenuation within an acoustically effective channel (1) is controllably varied due to controlled variation of at least one of oscillating behaviour ( Z), elasticity (∈) and shape of a member (9) within the channel (1).... Agent: Pearne & Gordon LLP

20100014697 - Shaped loudspeaker: A driver for a loudspeaker is mounted in an opening in an acoustic surface, for example a horn, and has a piston shaped to conform to the shape of the acoustic surface. This ensures that the presence of the driver does not disrupt the acoustic properties of the desired shape... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20100014698 - Wireless digital audio system: A wireless digital audio system includes a portable audio source with a digital audio transmitter operatively coupled thereto and an audio receiver operatively coupled to a headphone set. The audio receiver is configured for digital wireless communication with the audio transmitter. The digital audio receiver utilizes fuzzy logic to optimize... Agent: Megan Lyman

20100014699 - Reversible headset: The reversible headset includes a curved body, at least one connection point and an ear hanger. The curved body includes a first end and a second end. The curved body is configured to be worn around the nape of the wearer's neck. The at least one connection point is suitable... Agent: Dicke, Billig & Czaja

20100014700 - Earpiece for communications: An earpiece for communications comprises a frame, a vibration system disposed in the frame and a magnetic field system disposed in the frame. The vibration system includes a vibrating armature, a diaphragm and a connecting rod. The magnetic field system includes a magnet to generate a first magnetic field on... Agent: Alston & Bird LLP

20100014701 - Earphone jack: An earphone jack (100) for a portable electronic device includes a detecting module (20) and a jack module (30). The detecting module is configured for detecting if a plug of an earphone has been connected to the earphone jack. The jack module is connected to the detecting module, and includes... Agent: PCe Industry, Inc. Att. Steven Reiss

20100014703 - Loudspeaker: A loudspeaker according to the present invention includes a frame body, a leading wire board disposed underneath the frame body, a magnet mounted in the frame body, a pad ring glued on an edge of the frame body, a diaphragm whose exterior rim is glued on the pad ring and... Agent: Wpat, PC Intellectual Property Attorneys

20100014702 - Resonating cone transducer: An electroacoustical transducer includes a bobbin, a first acoustic radiator coupled to the bobbin through a first surround having a mechanical compliance, a second acoustic radiator generally rigidly coupled to the bobbin, and a basket. The first acoustic radiator is coupled to the basket through a second surround, and the... Agent: Bose Corporation C/o Donna Griffiths

20100014704 - Spherical speaker: A spherical speaker has a spherical diaphragm, a moving coil, and a magnet. To improve the sound quality of the spherical speaker, the magnet is a disk magnet and the spherical diaphragm is divided into an internal area and an external area.... Agent: Kenyon & Kenyon LLP

01/14/2010 > patent applications in patent subcategories. recently filed with US Patent Office

20100008511 - Microphone unit for stereophonic recording: To provide a microphone unit for stereophonic recording capable of adjusting an intersecting angle of sound collecting axes in accordance with conditions without impairing directivity and sound quality of the microphone. Respective rotation bases (408, 508) are rotatable about a center axis with respect to mounting bases (404, 504), respectively,... Agent: Rabin & Berdo, PC

20100008512 - Paging system: The present invention relates to a distributed paging system. The distributed paging system includes a combined data and digital audio network and a plurality of paging system consoles. Each paging system console includes an operator interface to select one or more paging destinations and is arranged to transmit data packets... Agent: John Alexander Galbreath

20100008513 - Method and system for automatically generating world environment reverberation from a game geometry: Reverberation parameters for one or more positions of interest are derived from graphics data used for displaying a computer-generated environment. For each position of interest for which reverberation parameters are desired, environmental parameters including distances and the hardness of features in a range of interest and at points on cubemap... Agent: Workman Nydegger/microsoft

20100008514 - Apparatus and system for an audio belt buckle: An apparatus, system, and method are disclosed for an audio belt buckle. The audio belt buckle contains a belt buckle housing, at least one speaker, an audio input receiver, an amplification device, and a power source. The belt buckle housing is coupled to a first end of a belt of... Agent: Kunzler & Mckenzie

20100008517 - Audio system based on at least second-order eigenbeams: A microphone array-based audio system that supports representations of auditory scenes using second-order (or higher) harmonic expansions based on the audio signals generated by the microphone array. In one embodiment, a plurality of audio sensors are mounted on the surface of an acoustically rigid sphere. The number and location of... Agent: Mendelsohn, Drucker, & Associates, P.C.

20100008516 - Method and system for position detection of a sound source: A position detection method, system, and computer readable article of manufacture tangibly embodying computer readable instructions for executing the method for detecting the position of a sound source using at least two microphones. The method includes the steps of: emitting a reproduced sound from the sound source; observing the reproduced... Agent: Ibm Corporation, T.j. Watson Research Center

20100008518 - Methods for processing audio input received at an input device: A method for processing an audio signal received through a microphone array coupled to an interfacing device is provided. The method is processing at least in part by a computing device that communicates with the interfacing device. The method includes receiving a signal at the microphone array and applying adaptive... Agent: Martine Penilla & Gencarella, LLP

20100008515 - Multiple acoustic threat assessment system: A system is provided for locating and identifying an acoustic event. An acoustic sensor having a pair of concentric opposing microphones at a fixed distance on a microphone axis is used to measure an acoustic intensity, from which a vector incorporating the acoustic event is identified. A second acoustic sensor... Agent: Stephen B. Salai, Esq. Harter Secrest & Emery LLP

20100008519 - Noise suppressing device, noise suppressing method and mobile phone: There is provided a noise suppressing device, for suppressing a noise component contained in a sound, including: at least two sound receiving parts receiving sounds from a plurality of directions containing a sound from a direction of a given sound source and converting the sounds to digital sound signals in... Agent: Staas & Halsey LLP

20100008520 - Noise suppression estimation device and noise suppression device: A noise suppression estimation device calculates a noise index value which varies according to kurtosis of a frequence distribution of magnitude of a sound signal before or after suppression of the noise component, the noise index value indicating a degree of occurrence of musical noise after suppression of the noise... Agent: Morrison & Foerster, LLP

20100008521 - Volume and tone control in direct digital speakers: A system that includes a direct digital speaker volume control device configured to be coupled to a direct digital speaker. The direct digital speaker includes many pressure producing elements being adapted to generate a sound at a sound pressure level (SPL) and at a given frequency in response to an... Agent: Oliff & Berridge, PLC

20100008523 - Handheld devices including selectively enabled audio transducers: A handheld electronic device, such as mobile terminal, PDA or media player, includes a housing and a plurality of audio transducers supported by the housing and positioned at spaced-apart positions. The device further includes an audio circuit configured to change an allocation of audio transmission and/or reception functions among the... Agent: Myers Bigel Sibley & Sajovec, P.A.

20100008522 - Interchangeable bar loudspeaker system: There is provided a speaker connector including first and second speaker elements each having an inward face, an opposing outward face, and an engagement wall extending between the inward and outward faces. The speaker elements are connectable to the first and second speakers, respectively. A connector housing includes first and... Agent: Stetina Brunda Garred & Brucker

20100008524 - Magnetostrictive auditory system: Disclosed is hearing device that uses magnetostrictive materials to assist a user in hearing and comprehending sounds. Conductive coils are made with a magnetostrictive covering that can comprise a film or other coating. In addition, printed circuit boards can be used with traces that form a coil to generate a... Agent: Cochran Freund & Young LLC

20100008525 - Acoustic actuator plate structure: Acoustic actuator plate structures are used in acoustic applications. The acoustic actuator plate structure according to the invention contains an electret material and comprises a structurally weaker electret layer (1), where the specific resistance of the electret material is at least 10 Ωm and the yield point of it is... Agent: Marshall, Gerstein & Borun LLP

20100008526 - Optimization of hearing aid parameters: The present invention relates to a new method for effective estimation of signal processing parameters in a hearing aid. It is based on an interactive estimation process that incorporates—possibly inconsistent—user feedback. In particular, the present invention relates to optimization of hearing aid signal processing parameters based on Bayesian incremental preference... Agent: VistaIPLaw Group, LLP (gn Resound)

20100008527 - Method for wireless data transfer between a hearing aid and an external device: Data is wirelessly transferred between a hearing aid and an external device, wherein the hearing aid via an internal receiving device, receives data being sent form the external device via a wireless connection. The hearing aid is in a receiving mode when data from the external device is sent via... Agent: Siemens Corporation Intellectual Property Department

20100008528 - Dual mode earphone with acoustic equalization: In one embodiment, a dual-mode earphone is provided, comprising a first earbud including a speaker with a diaphragm and at least one acoustic port in front of the diaphragm, and a cap in front of the speaker. The speaker or the cap is configured to move relative to the other... Agent: Plantronics, Inc.IPDepartment/legal

20100008529 - Speakerphone including a plurality of microphones mounted by microphone supports: In various embodiments, a speakerphone may comprise multiple (e.g., 16) microphones placed in a circular array around a central speaker. Each microphone may be mounted to the speakerphone through a microphone support. The microphone support may be made of a flexible material and have various features designed to minimize interference... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20100008530 - Personal audio-set with adjustable sliding ear clip mount: A personal audio set formed that includes an ear-clip mounting portion pivotally secured to a frame is disclosed. In one embodiment, the frame of the personal audio set includes a sliding portion to define a first axis of rotation, and the ear hook is pivotally secured to the sliding portion... Agent: Townsend And Townsend And Crew, LLP

20100008531 - Fabricating method for earphone: A fabricating method for an earphone includes the steps of: providing a front case and a speaker, the front case having a plurality of securing holes and a accommodating space, the speaker being disposed in the accommodating space; electrically connecting an earphone wire to the speaker; providing a rear case... Agent: Hdls Patent & Trademark Services

01/07/2010 > patent applications in patent subcategories. recently filed with US Patent Office

20100002886 - Hearing system and method implementing binaural noise reduction preserving interaural transfer functions: Preferably, said noise reduction means (5a;5b) comprises two binaural Wiener filters (5a,5b) each having a cost function comprising at least one term describing a desired interaural transfer function, wherein said at least one interaural transfer function provided by said ITF means (3a,3b) is assigned to said at least one term.... Agent: Pearne & Gordon LLP

20100002888 - Method and device for low-delay joint-stereo coding: In one aspect a coding of stereophonic audio signals based on inter-channel linear prediction is provided. Each of the two channels is predicted by filtering the center stereo image of both the channels. Optimal filter coefficients are calculated for both channels is a generalization of Mid/Side and Left/Right joint-stereo coding.... Agent: Siemens Corporation Intellectual Property Department

20100002887 - Method for operating a binaural hearing system as well as a binaural hearing system: A hearing system and a method for operating a binaural hearing system include at least two hearing devices to be at least partly inserted into or to be worn behind the left and right ear of a user. Each hearing device includes at least one microphone to generate an electrical... Agent: Pearne & Gordon LLP

20100002889 - System and method for designing sound systems: The invention is directed to a display and method for conducting sound system design. The display is configured to simultaneously show a sound system model comprising both audio components and sound environment components, a plurality of parameters and a graphic representation of a calculated sound system performance attribute. In response... Agent: Bose Corporation C/o Donna Griffiths

20100002892 - Active noise reduction system and active noise reduction method: As optimal candidate as a control signal (y*) for generating a control sound suppressing noise from a speaker is selected from among a plurality of control signal candidates (y1 to yn) by a selection function unit. For this selection, a residual noise estimation function unit receiving as input a residual... Agent: Staas & Halsey LLP

20100002890 - Electronic device having active noise control with an external sensor: An electronic device includes an enclosure for the electronic device and a duct extending from an interior to an exterior of the enclosure to exhaust airflow from the enclosure. The electronic device further includes an active noise control mechanism. The active noise control mechanism includes an internal sensor, an external... Agent: Hewlett-packard Company Intellectual Property Administration

20100002891 - Apparatus and method for detecting acoustic feedback: An acoustic-feedback detection apparatus includes: a first level detecting section configured to detect a signal level of sound signals obtained from a position in a sound-signal system in which a microphone and speaker are connected; a first extracting section configured to extract, from the sound signals of which the signal... Agent: Wolf Greenfield & Sacks, P.C.

20100002893 - Low latency ultra wideband communications headset and operating method therefor: A wireless communication system for use in aircraft includes a wireless headset having at least one ear cup with a housing. A first ultra wideband transceiver is disposed in the ear cup housing. A base station includes a second ultra wideband transceiver. The second ultra wideband transceiver wirelessly communicates with... Agent: Taft Stettinius & Hollister LLP

20100002894 - Mems device and method of making the same: A MEMS device includes a vent hole structure and a MEMS structure disposed on a same side of a substrate. The vent hole structure adjoins the MEMS structure with an etch stop structure therebetween. The MEMS structure includes a chamber, the vent hole structure includes a metal layer having at... Agent: North America Intellectual Property Corporation

20100002895 - Condenser microphone and mems device: An air gap is formed between a first film having a first electrode film and a second film having a second electrode film. The first film has a stopper protruding toward the second film, and a recess communicating with the air gap is provided in the center of the stopper.... Agent: Mcdermott Will & Emery LLP

20100002896 - Hearing aid having an occlusion reduction unit and method for occlusion reduction: A method is described for reduction of occlusion effects in an acoustic appliance which closes an auditory channel, wherein an audio signal in the transmission path of the acoustic appliance is processed by a signal processing unit and is emitted via an output transducer, which is arranged in the auditory... Agent: Siemens Corporation Intellectual Property Department

20100002897 - Pressure regulating systems for expandable insertion devices: At least one exemplary embodiment is directed to an earpiece comprising: an ambient sound microphone (ASM); an ear canal microphone (ECM); an ear canal receiver (ECR); and an inflatable sealing section, where the sealing section includes at least one pressure valve, where the at least one pressure valve opens when... Agent: Personics Holdings Inc.

20100002898 - User friendly portable stereo set: The invention relates to a sound output device which comprises a first and a second sound element, where the first sound output element comprises a space which receives an electrical connection to the second sound output element and a protrusion which engages a recess in the second output element which... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20100002899 - Voice conference system: A voice conference system capable of realizing a talk session with an unbounded feeling of presence in session in response to positions of conferees who are seated at mutual voice conference devices is provided. A conferee 201A is seated in a speaker SP1 direction of a voice conference device 1A... Agent: Rossi, Kimms & Mcdowell LLP.

20100002900 - Apparatus and methods for generating pressure waves: Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a clock, the apparatus comprising at least one array of moving elements each constrained to travel alternately back and forth along... Agent: Oliff & Berridge, PLC

20100002901 - Speaker: A speaker having improved sound quality by reducing a phase difference and also having an outstanding outward appearance is provided. In a speaker comprising a vibrating element 10, a drive unit 20 for vibrating the vibrating element 10, and a frame 30 supporting the vibrating element 10 and the drive... Agent: Arent Fox LLP

Previous industry: Cryptography
Next industry: Image analysis


RSS FEED for 20140410: xml
Integrate FreshPatents.com into your RSS reader/aggregator or website to track weekly updates.
For more info, read this article.


Thank you for viewing Electrical audio signal processing systems and devices patents on the FreshPatents.com website. These are patent applications which have been filed in the United States. There are a variety ways to browse Electrical audio signal processing systems and devices patent applications on our website including browsing by date, agent, inventor, and industry. If you are interested in receiving occasional emails regarding Electrical audio signal processing systems and devices patents we recommend signing up for free keyword monitoring by email.

Results in 0.44535 seconds