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