| Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597) |
|---|
| 08/28/2002 | EP1234484A1 Method for deriving at least three audio signals from two input audio signals |
| 08/27/2002 | US6442277 Method and apparatus for loudspeaker presentation for positional 3D sound |
| 08/22/2002 | WO2002065815A2 Sound system and method of sound reproduction |
| 08/22/2002 | WO2001095669A3 A remote control apparatus and a receiver and an audio system |
| 08/22/2002 | CA2827686A1 Sound system and method of sound reproduction |
| 08/22/2002 | CA2449410A1 Sound system and method of sound reproduction |
| 08/15/2002 | WO2002063925A2 Audio channel translation |
| 08/15/2002 | WO2001082650A3 Self-calibrating surround sound system |
| 08/14/2002 | EP0965247B1 Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| 08/14/2002 | CN2506047Y Horn loudspeaker box |
| 08/08/2002 | US20020106088 Apparatus and method for down converting multichannel programs to dual channel programs using a smart coefficient generator |
| 08/06/2002 | US6430353 Audio and video reproducing apparatus having independent control of selected signals |
| 08/06/2002 | US6430293 Recording and play-back two-channel system for providing a holophonic reproduction of sounds |
| 08/01/2002 | US20020103553 Specifying a point of origin of a sound for audio effects using displayed visual information from a motion picture |
| 07/31/2002 | EP1226740A2 System and method for providing interactive audio in a multi-channel audio environment |
| 07/24/2002 | EP1224734A1 Recording and playback control system |
| 07/11/2002 | WO2002054823A2 Apparatus, system and method for capturing sound |
| 07/11/2002 | WO2002053246A2 Motion transducer system |
| 07/11/2002 | WO2002052989A1 Motion transducer efficient for small amplitude movements |
| 07/11/2002 | WO2002019766A3 System for generating sounds |
| 07/11/2002 | US20020090093 Vehicle electroacoustical transducing |
| 07/11/2002 | US20020090092 Audio reproducing device |
| 07/04/2002 | WO2002052897A1 Virtual sound image localizing device, virtual sound image localizing method, and storage medium |
| 07/04/2002 | WO2002052896A2 Multi-channel audio converter |
| 07/04/2002 | US20020085726 Apparatus, system and method for capturing sound |
| 06/27/2002 | WO2002050831A2 Audio reproducing device |
| 06/27/2002 | WO2002005261A3 Dynamic power sharing in a multi-channel sound system |
| 06/27/2002 | US20020080977 Architecture for two-channel sound effect hardware to output four-channel analog signal and the method of the same |
| 06/13/2002 | US20020071661 Audio and video reproduction apparatus |
| 06/06/2002 | US20020067834 Encoding and decoding system for audio signals |
| 06/01/2002 | CA2359713A1 Sub-harmonic generator and stereo expansion processor |
| 05/30/2002 | WO2002043437A2 Wave field synthesys sound reproduction system using a distributed mode panel |
| 05/30/2002 | CA2429841A1 Wave field synthesys sound reproduction system using a distributed mode panel |
| 05/29/2002 | EP1209949A1 Wave Field Synthesys Sound reproduction system using a Distributed Mode Panel |
| 05/29/2002 | EP1208725A2 Multichannel audio signal processing device |
| 05/29/2002 | EP1064824B1 Post-amplification stereophonic to surround sound decoding circuit |
| 05/23/2002 | WO2002041668A2 A method of and apparatus for producing apparent multidimensional sound |
| 05/21/2002 | US6393392 Multi-channel signal encoding and decoding |
| 05/16/2002 | US20020057806 Sound field effect control apparatus and method |
| 05/14/2002 | US6389144 Sound field equalizing apparatus for speaker system |
| 05/14/2002 | US6389139 Powered volume control for distributed audio system |
| 05/10/2002 | WO2002037896A1 Portable multi-channel amplifier |
| 05/09/2002 | US20020055796 Signal processing apparatus, signal processing method, program and recording medium |
| 05/07/2002 | US6385320 Surround signal processing apparatus and method |
| 05/02/2002 | EP1201101A2 Headphones with integrated microphones |
| 05/02/2002 | EP1068769A4 In-home theater surround sound speaker system |
| 04/30/2002 | US6381333 Sound processing circuit |
| 04/25/2002 | WO2002032208A2 Method for determining an acoustic environment situation, application of the method and hearing aid |
| 04/25/2002 | US20020049735 Sound retrieval apparatus, and sound data recording apparatus |
| 04/25/2002 | US20020048381 Multichannel acoustic signal reproducing apparatus |
| 04/25/2002 | US20020048380 Cinema audio processing system |
| 04/24/2002 | EP0807366A4 In-home theater surround sound speaker system |
| 04/18/2002 | WO2002032186A2 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
| 04/11/2002 | WO2000076272A9 Digital wireless loudspeaker system |
| 04/04/2002 | WO2001049073A3 Multichannel audio signal processing device |
| 04/04/2002 | US20020040295 Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
| 04/02/2002 | US6366679 Multi-channel sound transmission method |
| 03/28/2002 | US20020038158 Signal processing apparatus |
| 03/28/2002 | US20020037086 Multi-channel stereo converter for deriving a stereo surround and/or audio centre signal |
| 03/27/2002 | EP1190597A1 Voice-to-remaining audio (vra) interactive hearing aid & auxiliary equipment |
| 03/27/2002 | EP1016320B1 Method and apparatus for encoding and decoding multiple audio channels at low bit rates |
| 03/19/2002 | US6360200 Process for reducing redundancy during the coding of multichannel signals and device for decoding redundancy-reduced multichannel signals |
| 03/14/2002 | WO2001033907A3 Multichannel sound editing system |
| 03/14/2002 | US20020031232 Stereo audio processing device for deriving auxiliary audio signals, such as direction sensing and centre signals |
| 03/13/2002 | CN1339938A Reproducing device for multiple sound channel signals |
| 03/07/2002 | WO2002019768A2 Method for apparatus for audio matrix decoding |
| 03/07/2002 | WO2002019767A2 Signal processing apparatus, signal processing method, program and recording medium |
| 03/07/2002 | WO2002019766A2 System for generating sounds |
| 03/07/2002 | US20020027995 Sound field production apparatus |
| 03/07/2002 | DE10041483A1 Vorrichtung für die Wiedergabe von Audiosignalen Device for playback of audio signals |
| 02/28/2002 | WO2001047319A3 Method and arrangement for recording and playing back sounds |
| 02/28/2002 | US20020025047 System for generating sounds |
| 02/27/2002 | EP1182906A2 Device for the reproduction of audio signals |
| 02/26/2002 | US6351733 Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
| 02/21/2002 | WO2002015637A1 Method and system for recording and reproduction of binaural sound |
| 02/19/2002 | US6349285 Audio bass management methods and circuits and systems using the same |
| 02/14/2002 | WO2001065888A3 A system for accommodating primary and secondary audio signal |
| 02/07/2002 | WO2001049066A3 Headphones with integrated microphones |
| 02/07/2002 | US20020015505 Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings |
| 02/06/2002 | CN2476137Y Multifunctional audio-visual amplifier equipment |
| 01/31/2002 | WO2002009474A2 Stereo audio processing device |
| 01/31/2002 | US20020013698 Use of voice-to-remaining audio (VRA) in consumer applications |
| 01/24/2002 | WO2002007481A2 Multi-channel stereo converter for deriving a stereo surround and/or audio centre signal |
| 01/24/2002 | US20020009201 Multichannel spectral mapping audio apparatus and method with dynamically varying mapping coefficients |
| 01/23/2002 | EP1173925A2 Matrixing for lossless encoding and decoding of multichannels audio signals |
| 01/23/2002 | EP0776592B1 Sound recording and reproduction systems |
| 01/23/2002 | CN1332904A Integrated audio mixer |
| 01/22/2002 | US6341165 Coding and decoding of audio signals by using intensity stereo and prediction processes |
| 01/17/2002 | WO2002005261A2 Dynamic power sharing in a multi-channel sound system |
| 01/17/2002 | WO2001033905A3 System and method for providing interactive audio in a multi-channel audio environment |
| 01/17/2002 | US20020006206 Center channel enhancement of virtual sound images |
| 01/17/2002 | US20020006081 Multi-channel audio reproducing apparatus |
| 01/17/2002 | CA2414501A1 Dynamic power sharing in a multi-channel sound system |
| 01/09/2002 | CN1330505A Fully digitalized sound system |
| 01/02/2002 | EP1168865A1 Wcdma mobile device of transmissible multi-channel sounds |
| 01/02/2002 | EP0571455B1 Sound reproduction system |
| 12/27/2001 | US20010055398 Real time audio spatialisation system with high level control |
| 12/27/2001 | US20010055397 Parametric virtual speaker and surround-sound system |
| 12/26/2001 | CN1076915C Wideband movable CDMA equipment capable of transmitting multichannel sound |
| 12/18/2001 | US6332026 Bass management system for home theater equipment |