| Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597) |
|---|
| 05/04/2005 | CN2697997Y Sound mixer with improved sound adjusting device distribution |
| 04/28/2005 | US20050089182 Compact surround-sound system |
| 04/28/2005 | US20050089181 Multi-channel audio surround sound from front located loudspeakers |
| 04/28/2005 | US20050089179 Car audio amplifier with remote control panel |
| 04/28/2005 | US20050089178 Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system |
| 04/28/2005 | US20050089174 Stereophonic Device for Headphones and Audio Signal Processing Program |
| 04/27/2005 | EP1526758A2 A 5.1 channel signal output mixer circuit for earphone |
| 04/27/2005 | EP1525776A1 Device for correcting the level in a wave field synthesis system |
| 04/21/2005 | WO2005036925A2 Compatible multi-channel coding/decoding |
| 04/21/2005 | US20050084119 Channel down mixing apparatus for car audio system |
| 04/20/2005 | EP1523863A1 Audio coding |
| 04/20/2005 | EP1523862A1 Audio coding |
| 04/20/2005 | CN1607865A Acoustic apparatus and acoustic setting method |
| 04/19/2005 | US6882731 Multi-channel audio converter |
| 04/14/2005 | US20050078839 Sound reproducing apparatus and sound reproducing method |
| 04/13/2005 | EP1522209A2 A stereo signal processing apparatus |
| 04/07/2005 | WO2005032213A1 Acoustic characteristic correction system |
| 04/07/2005 | WO2005032210A1 Wireless digital transmission of low frequency effects and surround channels for surround sound system |
| 04/07/2005 | WO2005032207A1 Directional loudspeaker control system |
| 04/07/2005 | WO2005017877A3 Device and method for the generation, storage or processing of an audio representation of an audio scene |
| 04/07/2005 | US20050074127 Compatible multi-channel coding/decoding |
| 04/06/2005 | CN2691203Y Circular souud offect computer device and sound card assembly |
| 04/06/2005 | CN1605226A Method for improving spatial perception in virtual surround |
| 04/06/2005 | CN1605225A Method and apparatus to create a sound field |
| 03/31/2005 | WO2005029913A1 Binaural adaptive hearing system |
| 03/31/2005 | US20050071028 System and method for enhanced streaming audio |
| 03/31/2005 | US20050070243 Multichannel echo canceller system using active audio matrix coefficients |
| 03/31/2005 | US20050069162 Binaural adaptive hearing aid |
| 03/31/2005 | US20050069152 Methods and systems for synchronizing visualizations with audio streams |
| 03/31/2005 | US20050069151 Methods and systems for synchronizing visualizations with audio streams |
| 03/30/2005 | EP1519627A2 Sound reproducing apparatus and sound reproducing method |
| 03/30/2005 | EP1518443A1 Device and method for determining a reproduction position |
| 03/24/2005 | WO2004093488A3 Directional speakers |
| 03/24/2005 | US20050065780 Digital audio signal filtering mechanism and method |
| 03/24/2005 | US20050063555 Electroacoustical transducing |
| 03/23/2005 | EP1517580A2 Electroacoustical transducing |
| 03/23/2005 | EP1516513A2 Method and system for audio imaging |
| 03/23/2005 | CN1599510A Electroacoustical transducing |
| 03/23/2005 | CA2452945A1 Binaural adaptive hearing system |
| 03/22/2005 | US6870933 Stereo audio processing device for deriving auxiliary audio signals, such as direction sensing and center signals |
| 03/17/2005 | US20050058314 Surround sound positioning tower system and method |
| 03/17/2005 | US20050058307 Method and apparatus for constructing audio stream for mixing, and information storage medium |
| 03/17/2005 | US20050058304 Cue-based audio coding/decoding |
| 03/17/2005 | US20050058297 Environmental reverberation processor |
| 03/10/2005 | WO2005004537A3 Bass management systems |
| 03/10/2005 | WO2005002278A3 Multi-channel sound processing systems |
| 03/10/2005 | US20050053246 Automatic sound field correction apparatus and computer program therefor |
| 03/10/2005 | US20050053245 5.1 Channel signal output mixer circuit for earphone |
| 03/10/2005 | US20050053242 Efficient and scalable parametric stereo coding for low bitrate applications |
| 03/03/2005 | WO2005020634A1 Audio/video system for wireless driving of loudspeakers |
| 03/03/2005 | US20050047608 Sound field control apparatus, signal processing apparatus, sound field control program, and signal processing program |
| 03/02/2005 | EP1511358A2 Automatic sound field correction apparatus and computer program therefor |
| 03/02/2005 | EP1120013A4 Integrated audio mixer |
| 02/24/2005 | WO2005017877A2 Device and method for the generation, storage or processing of an audio representation of an audio scene |
| 02/24/2005 | US20050041816 System and headphone-like rear channel speaker and the method of the same |
| 02/23/2005 | EP1508899A1 Recording medium, data recording device and method, data reproducing device and method, program, and recording medium |
| 02/23/2005 | CN1586091A Discrete surround audio system for home and automotive listening |
| 02/17/2005 | WO2005015956A1 Voice reproducing method and reproducer using line array speaker unit |
| 02/17/2005 | WO2005015954A2 Method and device for processing audio data in an ambisonic context |
| 02/17/2005 | WO2004103022A3 Device and method for calculating a discrete value of a component in a loudspeaker signal |
| 02/16/2005 | EP1507441A1 Audio apparatus and its reproduction program |
| 02/16/2005 | EP1507439A2 Apparatus and method for controlling speakers |
| 02/16/2005 | EP1506692A2 Method and apparatus for preserving matrix surround information in encoded audio/video |
| 02/15/2005 | US6856688 Method and system for automatic reconfiguration of a multi-dimension sound system |
| 02/10/2005 | WO2005013643A1 System and method for determining a representation of an acoustic field |
| 02/10/2005 | US20050031128 Apparatus for generating surround signal from two-channel stereo signal |
| 02/09/2005 | EP1504549A2 Discrete surround audio system for home and automotive listening |
| 02/09/2005 | CN2678298Y Toning handle for loudspeaker box at four-corner |
| 02/09/2005 | CN1577577A Method and apparatus for mixing audio stream, and information storage medium |
| 02/08/2005 | US6853869 Method and apparatus for generating surround-sound data |
| 02/08/2005 | US6853732 Center channel enhancement of virtual sound images |
| 02/02/2005 | EP1502361A2 Multi-channel downmixing device |
| 02/02/2005 | EP1095488B8 Transcoders for fixed and variable rate data streams |
| 02/02/2005 | CN1575621A Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
| 02/02/2005 | CN1575045A Apparatus for generating surround signal from two-channel stereo signal |
| 02/02/2005 | CN1575044A Multichannel audio system, and head unit and slave unit used for the same |
| 02/02/2005 | CN1187906C Method and device for producing a virtual speaker having a certain distance from sound source |
| 02/01/2005 | US6850621 Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method |
| 01/27/2005 | US20050018860 Sound processing system for configuration of audio signals in a vehicle |
| 01/27/2005 | US20050018857 Wired, wireless, infrared, and powerline audio entertainment systems |
| 01/27/2005 | US20050018856 System and method for controlling audio signals for playback |
| 01/26/2005 | EP1501334A1 Transmission characteristic measuring device, transmission characteristic measuring method, and amplifier |
| 01/26/2005 | EP1500305A2 Signal processing |
| 01/26/2005 | EP1500304A2 Loudspeaker positions select infrastructure signal |
| 01/26/2005 | EP1500084A1 Parametric representation of spatial audio |
| 01/26/2005 | EP1500083A1 Parametric multi-channel audio representation |
| 01/26/2005 | EP1500082A1 Signal synthesizing |
| 01/26/2005 | CN1571583A Multichannel active matrix sound reproduction with maximum lateral separation |
| 01/25/2005 | CA2136653C Dynamic loader |
| 01/20/2005 | DE10328335A1 Wellenfeldsyntesevorrichtung und Verfahren zum Treiben eines Arrays von Lautsprechern Wellenfeldsyntesevorrichtung and method for driving an array of loudspeakers |
| 01/20/2005 | DE102004025653A1 Multikanalaudiosystem und Haupteinheit und Slave-Einheit zur Benutzung mit demselben Multi-channel audio system and the main unit and a slave unit for use with the same |
| 01/19/2005 | EP1499047A2 Method and apparatus for mixing audio stream, and information storage medium |
| 01/18/2005 | US6845163 Microphone array for preserving soundfield perceptual cues |
| 01/13/2005 | WO2005004537A2 Bass management systems |
| 01/13/2005 | US20050009583 Directional wireless communication systems |
| 01/13/2005 | US20050008171 Audio data processing device, audio data processing method, program for the same, and recording medium with the program recorded therein |
| 01/13/2005 | US20050007262 Matrix improvements to lossless encoding and decoding |
| 01/11/2005 | CA2406706C Discrete multichannel audio with a backward compatible mix |
| 01/06/2005 | WO2005002278A2 Multi-channel sound processing systems |
| 01/05/2005 | EP1494504A2 Audio data processing device, audio data processing method, program for the same, and recording medium for the program recorded therein |