Electrical audio signal processing systems and devices inventions 04/08

20080095382 - Audio system housed by an enclosure with a substantially waterproof seal: Audio systems are housed by an enclosure with a substantially waterproof seal such that the audio systems may be mounted in outdoor locations such as decks, boat docks, and the like. The enclosure may include a panel that opens relative to a tub portion, such as by a hinged connection,... Agent: Withers & Keys, LLC

20080095383 - Active noise reduction adaptive filter leakage adjusting: An active noise reduction system using adaptive filters. A method of operation the active noise reduction system includes smoothing a stream of leakage factors. The frequency of a noise reduction signal may be related to the engine speed of an engine associated with the system within which the active noise... Agent: Fish & Richardson PC

20080095384 - Apparatus and method for detecting voice end point: An apparatus and method for detecting a voice signal end point are provided, in which at least two microphones receive signals including voice and noise signals, and a voice end point detector distinguishes voice frames from noise frames in the received signals based on phase differences in respective frequencies between... Agent: The Farrell Law Firm, P.C.

20080095376 - Btsc encoder: The disclosed BTSC encoder includes a left high pass filter means for receiving a digital left channel audio signal and for digitally high pass filtering the digital left channel audio signal and thereby generating a digital left filtered signal; a right high pass filter means for receiving a digital right... Agent: Mcdermott Will & Emery LLP

20080095377 - Btsc encoder: The disclosed BTSC encoder includes a left high pass filter means for receiving a digital left channel audio signal and for digitally high pass filtering the digital left channel audio signal and thereby generating a digital left filtered signal; a right high pass filter means for receiving a digital right... Agent: Mcdermott Will & Emery LLP

20080095378 - Btsc encoder: The disclosed BTSC encoder includes a left high pass filter means for receiving a digital left channel audio signal and for digitally high pass filtering the digital left channel audio signal and thereby generating a digital left filtered signal; a right high pass filter means for receiving a digital right... Agent: Mcdermott Will & Emery LLP

20080095379 - Btsc encoder: The disclosed BTSC encoder includes a left high pass filter means for receiving a digital left channel audio signal and for digitally high pass filtering the digital left channel audio signal and thereby generating a digital left filtered signal; a right high pass filter means for receiving a digital right... Agent: Mcdermott Will & Emery LLP

20080095380 - Btsc encoder: The disclosed BTSC encoder includes a left high pass filter means for receiving a digital left channel audio signal and for digitally high pass filtering the digital left channel audio signal and thereby generating a digital left filtered signal; a right high pass filter means for receiving a digital right... Agent: Mcdermott Will & Emery LLP

20080095381 - Btsc encoder: The disclosed BTSC encoder includes a left high pass filter means for receiving a digital left channel audio signal and for digitally high pass filtering the digital left channel audio signal and thereby generating a digital left filtered signal; a right high pass filter means for receiving a digital right... Agent: Mcdermott Will & Emery LLP

20080095385 - Method of and system for automatically adjusting the loudness of an audio signal: The invention describes a method of automatically adjusting the loudness of an audio signal, which method comprises calculating loudness measures for samples of the input audio signal (1), identifying a number of distinct loudness lines (L1, L2, L3, L4) over 5 time among the loudness measures and altering the... Agent: Philips Intellectual Property & Standards

20080095386 - Mute circuit for a microphone: An apparatus having a microphone and a mute circuit (not shown in detail here) operable to be actuated by a rotating door assembly. The apparatus provides a mute circuit suitable to mute the audio microphone when the rotating door assembly is in a closed position and unmute the audio microphone... Agent: Jablonski Law Group

20080095387 - Wirelessly programmable hearing aid device: A hearing aid device that, for example, can be wirelessly programmed by an external transmission and/or receiving unit, includes a circuit chip in which is integrated with a coil in the form of a coil structure for the exchange of electromagnetic signals. The integration of the coil structure permits a... Agent: Schiff Harden LLP Patent Department

20080095388 - Entrainment avoidance with a transform domain algorithm: A system of signal processing an input signal in a hearing aid to avoid entrainment, the hearing aid including a receiver and a microphone, the method comprising using a transform domain adaptive filter including two or more eigenvalues to measure an acoustic feedback path from the receiver to the microphone,... Agent: Schwegman, Lundberg & Woessner, P.A.

20080095389 - Entrainment avoidance with pole stabilization: A system of signal processing an input signal in a hearing assistance device to avoid entrainment wherein the hearing assistance device including a receiver and a microphone, the method comprising using an adaptive filter to estimate an acoustic feedback path from the receiver to the microphone, generating one or more... Agent: Schwegman, Lundberg & Woessner, P.A.

20080095390 - Hearing aid device: With a hearing aid device having a device element which can be worn on or behind the ear and an earmold which protrudes at least partially into the auditory canal of a user, in which earmold a receiver is arranged, the protection of the receiver from contamination is to be... Agent: Siemens Corporation Intellectual Property Department

20080095391 - Magnetic sensor for a transducer: A system and method for assisting listening wherein an integrated circuit selects one or more audio sources from among a plurality audio sources to be presented to a signal processing circuit. Selection of the audio source can be automatically executed in response to detection of an external magnetic field, such... Agent: Marshall, Gerstein & Borun LLP Suite 6300

20080095392 - Hearing aid with sound tube serving for retention in concha: A hearing aid device has a custom-fit shell that fits into the helix lock area of the outer ear of a hearing-impaired person, and an RIC tube that is held in the concha of the outer ear and terminates in the ear canal. The combination of the custom-fit shell and... Agent: Schiff Hardin LLP Patent Derpartment

20080095393 - In-ear headphone: An in-ear headphone (1) comprising an elastic sealing part (2) and a solid sealing part (3) for sealing an ear cavity (b) against an outside region (c) is disclosed, wherein said solid sealing part (3) comprises at least one damping vent (4) interconnecting the ear cavity (b) and the outside... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080095394 - Integrated assembly of speaker and intenna, assembly method thereof, and mobile wireless communication terminal having the same: An integrated assembly of a speaker and an intenna, and an assembly method thereof is provided. After an upper carrier and a lower carrier are assembled by bonding, the lower carrier and the speaker are mechanically assembled through coupling parts formed to the lower carrier and the speaker. A first... Agent: The Farrell Law Firm, P.C.

20080095395 - Speaker: A speaker apparatus comprising a housing and a speaker member. The speaker member is configured to rotate relative to the housing and translate relative to the housing so as to move between a retracted position within the housing and an extended position relative to the housing. In some embodiments, the... Agent: Knobbe Martens Olson & Bear LLP

20080089525 - Mobile communication terminal and method therefor: A method for providing a user interface modified in accordance to audio data, a module including an audio feature extractor and a UI modifier, an apparatus and a computer readable medium. First, audio data is received. Thereafter, an audio feature is extracted from the received audio data. In accordance to... Agent: Perman & Green

20080089527 - Condenser microphone, microphone unit, and blood pressure gauge: The present invention provides a condenser microphone capable of detecting small sounds (e.g., Korotkoff sounds) with high sensitivity even in environments with variations in pressure, such as cuff pressure. A condenser microphone (10) is disposed as an acoustic sensor for detecting Korotkoff sounds in a communication space reachable by the... Agent: Venable LLP

20080089529 - Noise reduction apparatus: A passive noise reduction apparatus for altering predetermined sound levels of a sound producing device, the noise reduction apparatus includes at least one piezoelectric foil sensor disposed relative to the sound producing device with the at least one piezoelectric foil sensor being operable to convert such sound wave energy into... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20080089528 - Sound altering apparatus: A sound altering apparatus for altering predetermined sound levels of a sound producing device, the sound altering apparatus includes at least one piezoelectric foil sensor disposed relative to the sound producing device with the at least one piezoelectric foil sensor being operable to convert such sound wave energy into an... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20080089530 - Method and system for automatically muting headphones: The illustrative embodiments provide a method and system for automatically muting a headphone. The headphone detects a sound external to the headphone. A volume threshold and a frequency threshold are received, wherein the volume threshold and the frequency threshold define a sound of interest. A determination is made as to... Agent: Ibm Corp (ya) C/o Yee & Associates PC

20080089522 - Sound reproducing apparatus and sound reproducing system: A surround-sound system (100) includes: an array speaker system (20) that is formed with speaker units SPU having the same characteristics; and a signal processing apparatus (120) that drives the speaker units SPU independently of one another and amplifies an audio signal. The signal processing apparatus (120) includes: a signal... Agent: Sughrue Mion, PLLC

20080089523 - Binaural hearing device and method for controlling a hearing device system: A binaural hearing device system comprises a reception device (1) for one ear with at least two input acoustical/electrical converters (3a, 3b). Via a communication link (5) a signal (A1) which depends on both input converter's output signals is transmitted to a second device (7) for the other ear which... Agent: Pearne & Gordon LLP

20080089524 - Audio signal processing system: An audio signal processing system includes: a receiving section which receives a plurality of audio signals, a process period specifying section which specifies a silent period in other audio signals except a particular audio signal that are received by the receiving section, respectively, a sound volume level adjusting section which... Agent: Quinn Emanuel Urquhart Oliver & Hedges. LLP Koda/androlia

20080089526 - Method for estimating an interference field for a coil: The invention relates to a method for estimating an interference field for a real coil of a hearing apparatus comprising: simulating a field distribution of the interference field; calculating an interference field size for a number of coil segments of a virtual coil representing the real coil at a predetermined... Agent: Siemens Corporation Intellectual Property Department

20080089531 - Acoustic signal processing apparatus, acoustic signal processing method and computer readable medium: Hough transform is performed on the point groups forming two dimensional data to generate a plurality of loci respectively corresponding to each of the point groups in a Hough voting space. When adding a voting value to a position in the Hough voting space through which the plurality of loci... Agent: Nixon & Vanderhye, PC

20080089532 - Circuit and method of reducing pop-up noise in a digital amplifier: A circuit of reducing a pop-up noise in a digital amplifier includes a switch unit and a switch signal generator. The switch unit is coupled in parallel to an output load between an output node of the digital amplifier and a reference node. The switch unit controls a current flowing... Agent: F. Chau & Associates, LLC

20080089533 - Circuit arrangement for suppression of switching noises: An integrated audio amplifier includes an operation amplifier that includes a precharging device and a monitoring device. The operation amplifier further comprises an input stage and an output stage. The output stage includes a compensation capacitor. The precharging device is configured to precharge the compensation capacitor to a voltage that... Agent: Maginot, Moore & Beck

20080089534 - Video playing apparatus and method of controlling volume in video playing apparatus: A video playing apparatus and a method of adjusting a sound volume of the video playing apparatus are provided. The video playing apparatus can adjust the volume if a predetermined key is input continuously.... Agent: Sughrue Mion, PLLC

20080089535 - Method and device for adjusting audio volume level: A method and device for adjusting an audio volume level, are discussed. In an embodiment of the method, the volume steps of at least one preferred volume range and the volume steps of remaining volume ranges are set to be different from each other. The preferred volume range may be... Agent: Birch Stewart Kolasch & Birch

20080089536 - Microphone microchip device with differential mode noise suppression: A system for processing a sound input to a MEMS microphone in a voice communication device, such as a cellular telephone. The system includes the microphone and a processing microchip. The processing microchip includes a differential receiver that receives the signal output of the microphone on one input and a... Agent: Bromberg & Sunstein LLP

20080089537 - Loudspeaker system for aircraft cabin: A loudspeaker system for an aircraft cabin for passengers, having a support structure, which includes multiple flexible flat elements, forming the internal walls of the cabin, fastening devices for fastening flat elements to the support structure, so that the flat elements may oscillate. At least one acoustic driver is connected... Agent: Perman & Green

20080089538 - Ultrasonic probe and method of fabrication thereof: The present invention relates to a method of fabricating a convex type of ultrasonic probe in which a plurality of piezoelectric elements are arrayed on a backing material in an arc shape in a long-axis direction thereof; an acoustic adjustment layer is provided on top of the piezoelectric element and... Agent: Edwards Angell Palmer & Dodge LLP

20080089539 - Wireless headphones: The wireless headphone 10 that receives an audio signal P in the form of an optical signal including a right-channel sound signal and a left-channel sound signal and that outputs sound from an audio output portion 12 is provided with first and second light receiving portions 15 and 16 that... Agent: Birch Stewart Kolasch & Birch

20080089540 - Method for manufacturing a fitted hearing device: So as to exploit the experience widely spread for fitting hearing devices, workflows of fitting processes are stored (9, 9−1). A momentary or future fitting operation is performed in dependency from previously performed fitting processes. To do so the stored workflows of the fitting processes are evaluated (13) and the... Agent: Pearne & Gordon LLP

20080089541 - Hearing aid device including control switch: This application provides hearing aid devices including a housing, hearing aide electronics enclosed in the housing, and a capacitive switch coupled to the hearing aid electronics.... Agent: Schwegman, Lundberg & Woessner, P.A.

20080089542 - Acoustic enhancement for behind the ear communication devices: A device and method for tailoring the audio frequency response of a hearing instrument, such as a hearing aid, by altering the physical characteristics of the device to more accurately compensate for a user's specific hearing loss attributes. The device has a bore formed within its housing which provides a... Agent: Andrews & Kurth, L.L.P.

20080089543 - Speaker box and speaker device: A speaker box and a speaker device that can be manufactured at low cost and that provide a sound-absorbing effect. A speaker box of a speaker device includes a baffle, four intermediate plates, and a rear plate. The baffle plate has a speaker mount hole at the center. Each intermediate... Agent: Ostrolenk Faber Gerb & Soffen

20080089544 - Headphone device: The present invention provides a more excellent headphone device that is provided with the portability and operability as compared with that in the past. The present invention provides a device that is connected to an electronic device through a connecting cord which includes a housing, a reeling section that reels... Agent: Frommer Lawrence & Haug LLP

20080089545 - Wireless interactive headset: A wearable wireless audio device includes a support, an electronics circuit, and a speaker. The support includes a first ear stem and an orbital, and is configured to support at least one lens in a wearer's field of view. The electronics circuit is supported by the support and is configured... Agent: Knobbe Martens Olson & Bear LLP

20080089546 - Microphone shield device: A microphone shield device includes a microphone shield plate, a shield plate arm connected at a first end thereof to the microphone shield plate, and means for attaching a second end of the shield plate arm to a microphone headset in a manner which at least partially obscures an ability... Agent: James M. Loeffler, Esq. PLLC

20080089547 - Digital audio speaker system for digital audio players with motorized drawer mechanism: A digital audio speaker system for a digital audio player that includes a housing and a control unit positioned in the housing. An amplifier is positioned in the housing and connected with the control unit and a speaker system. A frame assembly is positioned in the housing that includes a... Agent: Krieg Devault LLP

20080089548 - All-in-one home theater system: An all-in-one home theater system is provided having an enclosure that houses a plurality of integrated speakers configured to provide a surround sound effect and an integrated docking station for receiving a mobile electronic device. A built-in processing circuit, also housed by the home theater device enclosure, may be configured... Agent: Loza & Loza LLP

20080089549 - Loudspeaker diaphragm and method for manufacturing a loudspeaker diaphragm: A loudspeaker diaphragm includes a tapering edge region. Thus, it is possible to prevent or considerably reduce wave reflection and uncontrolled wave propagation caused thereby in a cheap and effective manner.... Agent: Smith Frohwein Tempel Greenlee Blaha, LLC

20080085006 - Integrated multi-channel audio box: The present invention relates to audio visual devices, and is aimed to provide an audio box with stereo surround effect; an integrated multi-channel audio box having simple structure and neat appearances, no complex wiring necessary to connect to the source. The structure of the audio box is in rectangular shape.... Agent: Ipfortune Llc/ruay Lian Ho Suite 400

20080085008 - Frequency domain reverberation method and device: A method and device for creating late reverberation in the frequency domain using spectral magnitude decay. The method applies a frequency domain representation of an input signal to a frequency domain accumulator having a delay, an adder and a frequency-dependent magnitude attenuation. The attenuated magnitude is combined with an artificial... Agent: Earl C. Vickers

20080085009 - Echo cancellation: An echo cancellation device (1) comprises a first adaptive filter (13) for producing a first echo cancellation signal (y1), a second adaptive filter (15) for producing a second echo cancellation signal (y2), and a post-processor (18) for suppressing any remaining echo. The first adaptive filter (13) and the second adaptive... Agent: Philips Intellectual Property & Standards

20080085010 - Audio reproducing apparatus and program: A reproducing apparatus includes: a connecting part which is connected to an audio signal output apparatus through the three pole terminal; a storage part which stores content data including first and second channel audio data; a reproducing part which reproduces the content data; a first converting part which converts the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080085011 - Method and apparatus for selective exploitation of inherent and/or purposeful load impedance differences and associated virtual impedance: In a switching device for exploiting impedance differences between at least two loads, connectors are provided for coupling the loads to the switching device. The loads cooperatively define a non-zero virtual impedance. At least one connection point is included for accepting an output from at least one signal generator. The... Agent: Michaud-duffy Group LLP

20080085012 - Sound signal correcting method, sound signal correcting apparatus and computer program: A sound signal correcting apparatus converts an acquired sound signal into a phase spectrum and an amplitude spectrum by an FFT process, compares the amplitude spectrum of the obtained sound signal with a noise model so that a correction coefficient used for correcting the amplitude spectrum of the sound signal... Agent: Kratz, Quintos & Hanson, LLP

20080085013 - Feedback cancellation in a sound system: This invention relates to a sound system and method for processing acoustical sound. The sound system comprises a microphone for converting an acoustical sound to an electrical sound signal, a processor for processing the sound signal and for generating a processed sound signal, and a speaker for converting the processed... Agent: Birch Stewart Kolasch & Birch

20080085007 - Systems and methods for monitoring temporal volume control: Systems and methods for monitoring temporal volume control. Such monitoring includes providing an electrical circuit having a power source, an amplifier, and a speaker. The volume control is deactivated or otherwise prevented from being adjusted at the speaker. A signal having a current is received at the amplifier. The amplifier... Agent: Kirton And Mcconkie

20080085014 - Active gain adjusting method and related system based on distance from users: A gain adjusting system for adjusting a gain of a sound signal in an audio system, includes a first detecting unit for capturing images of one or more faces of users and determining the number of faces and the size of the faces present in the images; a controller for... Agent: North America Intellectual Property Corporation

20080085015 - Economic indoor power amplification system: A power amplification system includes a power supply input interface, a voice source input interface, a plurality of automatic level control circuits, a voice source selection switch, a volume control circuit, a power amplification circuit, an output interface, a microprocessor, an operation device, and an indication device. Thus, the power... Agent: Kamrath & Associates P.a.

20080085018 - Apparatus and method for sonic cleaning of an air filter for wheeled and tracked vehicles: An air filter apparatus and method for a land vehicle is disclosed wherein sound waves are directed onto the filter element of the filter device to dislodge particulate matter without the need to disassemble the air filter device.... Agent: Orum & Roth Llc

20080085017 - Loudspeaker and microphone based on the principle of \"the center of percussion\":

20080085016 - Loudspeaker unit with an acoustic panel: A loudspeaker unit comprising a frame (1), an acoustic panel (3), an electric exciter (5) for exciting the acoustic panel, and a tuning element (7). The panel suspends from the frame and has two substantially parallel main sides. The exciter is disposed at a first main side (13a) and comprises... Agent: Sheehan Phinney Bass & Green, Pa C/o Peter Nieves

20080085019 - Display device comprising a panel acoustic transducer, and transparent panel acoustic transducer: A display device (1) comprises a transparent panel acoustic transducer (6). The transparent front panel (6) has a laminate comprising an outer transparent thin panel (6b) and a supporting panel (6a). The supporting panel (6a) has a considerably larger stiffness than the transparent thin panel (6b), and the transparent thin... Agent: Philips Intellectual Property & Standards

20080085020 - Vibration unit: A vibration unit includes a sound ring and a membrane attached to the sound ring. The membrane includes a rim for attachment to a shell of an acoustic device, a convex-concave annular region, a first non-planar connective region between the convex-concave annular region and the rim, a convex-concave circular region... Agent: Kamrath & Associates P.a.

20080085021 - Generic electromagnetically-countered systems and methods: The present invention relates to an electromagnetically-countered system including at least one wave source irradiating harmful electromagnetic waves and at least one counter unit emitting counter electromagnetic waves for countering the harmful waves by such counter waves. More particularly, the present invention relates to generic counter units of electromagnetically-countered systems... Agent: Youngtack Shim

20080085022 - Surround speaker cabinets: e

20080085023 - Auditory front end customization: A method and system for implementing an acoustical front end customization are disclosed. The customization is implemented to optimize the sound level for each individual cochlear implant user. A known audio signal is generated using a sound source and captured by a microphone system. The captured sound signal is sampled... Agent: Fish & Richardson P.c.

20080085024 - Hook for a hearing aid: A hook (4) for a hearing aid (1) provides a sound passage for transmitting the sound emanating from an output transducer of the hearing aid. The hook is composed of different parts (4a, 4b, 4c) made from materials with different mechanical properties. This provides a damping means for damping mechanical... Agent: Sughrue Mion, Pllc

20080085025 - Case for an audio or video player: The invention relates to a case for an audio or video player having a front cover and a back cover, each having an inside wall and an outside wall. A speaker is placed between the inside and outside walls of the front cover, a cord is placed between the inside... Agent: St. Onge Steward Johnston & Reens, Llc

20080085027 - Curved line array loudspeaker: A loudspeaker system consisting of a plurality of direct-radiating electro-acoustical drivers arrayed along a curved line. While in one embodiment the curved line array may be a spiral array, in another embodiment it may be any curved line array (such as an arcuate array). The acoustical drivers are directly coupled... Agent: Crowell & Moring LLP Intellectual Property Group

20080085026 - Curved line array with horizontal coverage control: A loudspeaker system consisting of a plurality of direct-radiating electro-acoustical drivers arrayed along a curved line. While in one embodiment the curved line array may be a spiral array, in another embodiment it may be any curved line array (such as an arcuate array). The acoustical drivers are directly coupled... Agent: Crowell & Moring LLP Intellectual Property Group

20080085028 - Spiral line array loudspeaker: A loudspeaker system consisting of a plurality of direct-radiating electro-acoustical drivers arrayed along a spiral line. The acoustical drivers may be directly coupled to an acoustical waveguide without use of adapters or a throat section. The waveguide and the acoustical drivers may thus be oriented along the spiral line so... Agent: Crowell & Moring LLP Intellectual Property Group

20080085029 - In-wall speaker system method and apparatus: The disclosure relates to an in-wall speaker system, specifically a system that is not readily visible and mounted in a room. The in-wall speaker system is comprised of a base frame that is adapted to be mounted between support members of a wall. The in-wall speaker system further has a... Agent: Hughes Law Firm, Pllc

20080085030 - Inconspicuous communications assembly: A communications assembly comprising thin acoustic tubing and an ear insert or an earpiece/extension is disclosed. The ear insert can comprise a reusable foam ear insert. The earpiece can be configured to be captured within a wearer's conchae. The extension can be attached to the earpiece and can be configured... Agent: Macpherson Kwok Chen & Heid LLP

20080080719 - Stereo support system and method for mobile terminal: A stereo support system and method for a mobile terminal are disclosed. The stereo support method uses a sound generation device having a sound generation main unit and a sound generation sub-unit to play a first audio material selected in a mobile terminal, and comprises: generating a second audio material... Agent: Cha & Reiter, LLC

20080080720 - System and method for intelligent equalization: An equalizer/mixer receives an input signal from a musical source and Equalizes the input signal based on the musical source using equalization parameters Associated with the musical source. User-adjustable equalization controls may be Applied where the equalization parameters defining the controls are associated with the Musical source.... Agent: Fish & Richardson PC

20080080721 - Method and apparatus for controlling volume: Some embodiments of the invention provide a method for controlling the volume of an audio track. This method represents the volume of an audio track with a graph. This graph is defined along two axes, with one axis representing time and the other representing the volume level. A user can... Agent: Adeli & Tollen, LLP

20080080722 - Loudness controller with remote and local control: A system and method associated with a recipient's audio equipment for maintaining desired loudness of a received audio signal is disclosed. The system includes a receiver device for receiving a broadcasted input signal and for transforming the input signal into a transport stream. The input signal and said transport stream... Agent: Duane Morris LLP Patent Department

20080080723 - Apparatus and method for post-processing and outputting digital audio data in real time: A digital audio data output device having first and second post-processors configured to process received digital audio data in parallel. Each processor includes a mixer unit configured to process received digital audio data on the fly in response to a channel mode control signal, and a volume control unit configured... Agent: F. Chau & Associates, LLC

20080080724 - Mixing system and format conversion device and method therefor: One format converter connected to a mixer and another format converter connected to a head amplifier are interconnected via a single control/audio communication line. Each of the format converters includes a communication interface, control signal interface, audio signal interface, and a control section. The control section converts control data and... Agent: Morrison & Foerster, LLP

20080080725 - Sound mixing processing apparatus and sound mixing processing method: According to one embodiment, there is provided a sound mixing processing apparatus including: an input unit inputting N-channel (N≧3) sound data and two-channel sound data; a mixing unit mixing the N-channel sound data and the two-channel sound data inputted from the input unit to output N-channel sound data produced by... Agent: Knobbe Martens Olson & Bear LLP

20080080726 - Audio amplifier capable of performing self-oscillation: An audio amplifier includes a plurality of sub-audio amplifier sets, a clock source, and a speaker. When the audio amplifier is under an audio amplify mode, the plurality of sub-audio amplifier sets is operated under a synchronic operating frequency with a same clock signal generated by the clock source. When... Agent: North America Intellectual Property Corporation

20080080727 - In-wall sub-woofer system with high-volume displacement: An in-wall speaker system having at least one pair of active transducers mounted in a wall section. The active transducers may be mounted in at least one enclosure. Each active transducer has a sound radiating surface. Each active transducer is also mounted substantially perpendicular to a surface of the wall... Agent: The Eclipse Group

20080080728 - Allpass array: Allpass arrays of arbitrary order are presented. The transducers in the arrays are configured with weights corresponding to the FIR approximation of an allpass filter such that a nearly uniform array response is provided.... Agent: Creative Labs, Inc. Legal Department

20080080729 - Electret condensor microphone: An electret condenser microphone comprising a metal capsule having a top surface provided with sound receiving holes, a diaphragm, a back electrode plate that faces either one of surfaces of the diaphragm and that is provided separately from the capsule, and an electret layer formed on the back electrode plate... Agent: The Webb Law Firm, P.C.

20080080730 - Electronic device and speaker control method: According to one embodiment, an electronic device includes a built-in speaker unit, a first amplifier which drives the built-in speaker unit, a first output circuit which outputs, to the first amplifier, an audio signal in a first frequency range, a second amplifier which drives the detachable speaker unit, a plurality... Agent: Knobbe Martens Olson & Bear LLP

20080080731 - Hearing device and earpiece therefore: This invention relates to a hearing device and earpiece therefore. The hearing device comprises a BTE unit for converting and processing sound to an electrical signal and a tubular element communicating the electrical signal to an earpiece. The earpiece comprises a canal element providing a tight fit of the earpiece... Agent: Birch Stewart Kolasch & Birch

20080080732 - Electronic device carrying system with retractable transducer assembly: An electronic device carrying system having a retractable headphone assembly is disclosed. The carrying system is adapted to support an electronic device and to attach to a user or their garments. A first plug configured to communicate with the electronic device is connected to a second plug on the front... Agent: Carstens & Cahoon, LLP

20080080733 - Sound direction/stereo 3d adjustable earphone: A sound direction/stereo effect 3D adjustable earphone in one aspect contains an adjustable headband clip to hold the left and right earphone parts. An adjustable holder is at the left and right ends of the earphone and at the topside of an ear cup. The ear cup contains a 3D... Agent: Collard & Roe, P.C.

20080080734 - Sports audio player and two-way voice/data communication device: An exemplary embodiment of the present invention docks a waterproof audio device into a recess in a top surface of a bodyboard (or other craft used in aquatic sports or related activities). Docking the device into the body of the craft serves to protect the device from impacts and mechanical... Agent: Khorsandi Patent Law Group, A.l.c.

20080080735 - Point excitation placement in an audio transducer: The present invention provides methods and apparatuses for an audio transducer. The audio transducer is excited by driving a paddle of a diaphragm. A plurality of node regions of a paddle is determined for the higher-order modal components, which correspond to resonance frequencies and have an order greater than one.... Agent: Banner & Witcoff, Ltd.

20080080736 - Loudspeaker bobbin interconnection assembly: A bobbin interconnection assembly in a moving coil loudspeaker is disclosed. The assembly includes a first coupling member fixed to a central region of a diaphragm of the loudspeaker. The assembly also includes a second coupling member that may be removably engaged to the first coupling member. The second coupling... Agent: Stetina Brunda Garred & Brucker