Patents
Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597)
02/2011
02/16/2011CN101978707A Realistic audio communication in a three dimensional computer-generated virtual environment
02/16/2011CN101978424A Device and method for acoustic indication
02/16/2011CN101977348A Filter designing method and method for processing virtual stereo surround signal
02/16/2011CN101149925B Space parameter selection method for parameter stereo coding
02/09/2011EP1226740B1 System and method for providing interactive audio in a multi-channel audio environment
02/03/2011WO2011013704A1 Audio device
02/03/2011WO2010089357A4 Sound system
02/02/2011EP2279628A1 Surround sound generation from a microphone array
01/2011
01/27/2011WO2011010968A1 A sound reproduction apparatus and a method for speaker charging/calibration employed in said apparatus
01/26/2011EP2278582A2 A method and an apparatus for processing an audio signal
01/26/2011CN1750717B Method of reproducing audio signals and playback apparatus therefor
01/25/2011US7876905 Multichannel spectral mapping audio apparatus and method
01/19/2011EP2276022A2 Multichannel audio data encoding/decoding method and apparatus
01/19/2011EP1943741B1 A device and a method of playing audio clips
01/18/2011US7873171 Multichannel spectral mapping audio apparatus and method
01/12/2011EP2070390B1 Improved spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
01/12/2011CN101946526A Stereophonic widening
01/12/2011CN101361405B Method and system for equalizing a loudspeaker in a room
01/12/2011CN101133552B Method and apparatus for multichannel signal limiting
01/05/2011EP2271138A1 Sound processing system for configuration of audio signals in a vehicle
01/05/2011EP2269389A1 Realistic audio communications in a three dimensional computer-generated virtual environment
01/05/2011EP1631114B1 Array speaker system
01/05/2011DE102010023615A1 Signalverarbeitungsvorrichtung und Signalverarbeitungsverfahren Signal processing apparatus and signal processing method
01/04/2011US7864966 Multichannel spectral mapping audio apparatus and method
01/04/2011US7864965 Multichannel spectral mapping audio apparatus and method
01/04/2011US7864964 Multichannel spectral mapping audio apparatus and method
01/04/2011US7864963 Effect imparting apparatus for controlling two-dimensional sound image localization
12/2010
12/30/2010US20100328531 Configurable filter for processing television audio signals
12/29/2010EP2268064A1 Device and method for converting spatial audio signal
12/29/2010EP2268012A2 Display device with object-oriented stereo sound coordinate display
12/29/2010EP2162882B1 Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components
12/29/2010CN101933344A Method and apparatus for generating a binaural audio signal
12/29/2010CN101931853A 音频信号处理设备和音频信号处理方法 Audio signal processing apparatus and an audio signal processing method
12/29/2010CN101930742A System and method of encoding/decoding multi-channel audio signals
12/29/2010CN101930741A System, and method of encoding/decoding multi-channel audio signals
12/29/2010CA2855479A1 Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
12/23/2010WO2010146346A1 Audio auditioning device
12/23/2010US20100322431 Method for reproducing natural or modified spatial impression in multichannel listening
12/22/2010EP2265042A2 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
12/22/2010EP2265041A2 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
12/22/2010EP2265040A2 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
12/22/2010CN1694581B Measuring apparatus and method
12/21/2010US7856240 Distributed sound enhancement
12/21/2010US7856106 System and method for determining a representation of an acoustic field
12/16/2010WO2010142320A1 Audio processing
12/15/2010EP2261926A1 Spatial audio enhanced user interface for browsing a list of items
12/15/2010EP2260648A1 Apparatus and method for generating filter characteristics
12/15/2010CN1848241B Multi-channel audio frequency coder
12/14/2010US7853341 Wired, wireless, infrared, and powerline audio entertainment systems
12/09/2010WO2010140104A1 A surround sound system and method therefor
12/09/2010WO2010139693A1 Spatial audio enhanced user interface for browsing a list of items
12/08/2010EP2258120A2 Methods and devices for reproducing surround audio signals via headphones
12/08/2010EP1872621B1 Multi-channel bass management
12/08/2010CN1758337B Efficient and scalable parametric stereo coding for low bitrate audio coding applications
12/08/2010CN1655651B method and apparatus for synthesizing auditory scenes
12/08/2010CN101911731A Matrix decoder
12/02/2010DE102009022685A1 Method for sounding seat occupancy condition to passenger in four seated passenger car, involves adjusting reproducing characteristics by audio system in dependent upon determined actual seating place occupancy condition
12/01/2010EP2257082A1 Background noise estimation in a loudspeaker-room-microphone system
12/01/2010EP2255359A1 Device and method for acoustic indication
12/01/2010CN1605226B Method for improving spatial perception in virtual surround
12/01/2010CN101390443B Audio encoding and decoding
12/01/2010CN101009952B Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener
11/2010
11/25/2010WO2010134652A1 Resonance tube structure for multi-channel headphone
11/18/2010WO2010132397A1 Center channel rendering
11/18/2010WO2010130225A1 Audio decoding method and audio decoder
11/18/2010WO2010101438A3 Audio output unit and audio signal output system for same
11/18/2010DE19634155B4 Verfahren zur Simulation der akustischen Qualität eines Raumes und damit verbundener Audio-Digitaler Prozessor Method for simulating the acoustic quality of a room and associated audio digital processor
11/18/2010DE10360470B4 Verfahren und Vorrichtung zum Demodulieren eines Empfangssignals Method and apparatus for demodulating a received signal
11/17/2010EP2250823A1 Audio system with bonded-peripheral driven mixing and effects
11/17/2010EP2250822A2 A sound system and a method for providing sound
11/17/2010CN1758338B Efficient and scalable parametric stereo coding for low bitrate audio coding applications
11/17/2010CN101887726A Stereo coding and decoding methods and apparatuses thereof
11/17/2010CN101887724A Efficient and scalable parametric stereo coding for low bitrate applications
11/16/2010US7835457 Demodulating a signal having multiple frequency bands
11/11/2010WO2010128386A1 Multi channel audio processing
11/11/2010WO2010089357A3 Sound system
11/11/2010US20100284543 Audio system with bonded-peripheral driven mixing and effects
11/11/2010DE102007018032B4 Erzeugung dekorrelierter Signale Generation of decorrelated signals
11/11/2010CA2666004A1 Stereophone
11/10/2010EP2249336A1 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
11/10/2010EP2248352A1 Stereophonic widening
11/10/2010CN1910655B Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
11/10/2010CN1599510B Electroacoustical transducing method and device, acoustic ssytem
11/04/2010WO2010127283A1 Spectral management system
11/04/2010DE102008056704B4 Verfahren zum Erzeugen eines abwärtskompatiblen Tonformates A method for generating a backward-compatible tone format
11/04/2010CA2760178A1 Spectral management system
11/03/2010EP1606797B1 Processing of multi-channel signals
11/03/2010CN1744770B Device for converting video frequency signal and/or related audio frequency signal
11/03/2010CN101878660A An audio reproduction system comprising narrow and wide directivity loudspeakers
11/02/2010US7826621 Configurable filter for processing television audio signals
10/2010
10/27/2010CN101872618A Multi-channel audio decoder
10/27/2010CN101511047B Three-dimensional sound effect processing method for double track stereo based on loudspeaker box and earphone separately
10/26/2010US7822496 Audio signal processing method and apparatus
10/20/2010EP2242046A1 System, apparatus, method and program for signal analysis control, signal analysis and signal control
10/20/2010EP2241119A1 Matrix decoder
10/20/2010EP2240929A1 Device and method for synchronizing multi-channel expansion data with an audio signal and for processing said audio signal
10/20/2010CN101868984A Apparatus and method for determining a component signal with great accuracy
10/20/2010CN101867864A Video/audio input/output system
10/19/2010US7818077 Encoding spatial data in a multi-channel sound file for an object in a virtual environment
10/14/2010WO2010117867A1 Obtaining a desired non-zero phase shift using forward-backward filtering
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