| Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597) |
|---|
| 08/08/2007 | CN1331335C Transcoders for fixed and variable rate data streams |
| 08/08/2007 | CN1331110C Digita mixer |
| 08/08/2007 | CN101014999A Device and method for generating a multi-channel signal or a parameter data set |
| 08/07/2007 | US7254239 Sound system and method of sound reproduction |
| 08/02/2007 | WO2007049863A8 Removing time delays in signal paths |
| 08/02/2007 | WO2007049862A8 Removing time delays in signal paths |
| 08/01/2007 | CN101009952A Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener |
| 07/26/2007 | US20070172086 Utilization of filtering effects in stereo headphone devices to enhance spatialization of source around a listener |
| 07/26/2007 | US20070171944 Stereo coding and decoding methods and apparatus thereof |
| 07/25/2007 | EP1811809A1 3-dimensional acoustic reproduction device |
| 07/25/2007 | EP1779385A4 Method and apparatus for encoding and decoding multi-channel audio signal using virtual source location information |
| 07/25/2007 | CN101006750A Method for expanding an audio mix to fill all available output channels |
| 07/19/2007 | WO2007060443A3 Audio signal processing method and system |
| 07/19/2007 | US20070165868 Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| 07/18/2007 | CN1327436C Method and apparatus for mixing audio stream, and information storage medium |
| 07/18/2007 | CN101002505A Combining audio signals using auditory scene analysis |
| 07/18/2007 | CN101001485A Finite sound source multi-channel sound field system and sound field analogy method |
| 07/18/2007 | CN101001484A Method and apparatus to simulate 2-channel virtualized sound for multi-channel sound |
| 07/12/2007 | WO2007078254A2 Personalized decoding of multi-channel surround sound |
| 07/12/2007 | WO2007076863A1 Method and system for equalizing a loudspeaker in a room |
| 07/10/2007 | US7242782 Audio signal processing circuit |
| 07/04/2007 | EP1803325A1 Diffuse sound envelope shaping for binaural cue coding schemes and the like |
| 07/04/2007 | EP1266469A4 Use of voice-to-remaining audio (vra) in consumer applications |
| 07/04/2007 | EP1190597A4 Voice-to-remaining audio (vra) interactive hearing aid & auxiliary equipment |
| 07/03/2007 | US7237648 Surround sound positioning tower system and method |
| 06/28/2007 | WO2007071270A1 Apparatus and method for synthesizing three output channels using two input channels |
| 06/28/2007 | US20070150284 Automated Sound System Designing |
| 06/28/2007 | US20070147622 Audio apparatus |
| 06/28/2007 | CA2632394A1 Apparatus and method for synthesizing three output channels using two input channels |
| 06/27/2007 | EP1800518A1 Improved head related transfer functions for panned stereo audio content |
| 06/27/2007 | EP1800517A1 Device and method for controlling a public address system, and a corresponding public address system |
| 06/26/2007 | US7236838 Signal processing apparatus, signal processing method, program and recording medium |
| 06/21/2007 | US20070140499 Multichannel audio coding |
| 06/20/2007 | CN1985544A Method, device, encoder apparatus, decoder apparatus and audio system |
| 06/20/2007 | CN1984512A Digital voice-frequency signal processor based on DSP |
| 06/14/2007 | WO2007067320A2 Low-complexity audio matrix decoder |
| 06/14/2007 | WO2007049863A3 Removing time delays in signal paths |
| 06/13/2007 | EP1796429A1 Loudspeaker directivity control method and audio reproduction device |
| 06/13/2007 | EP1795240A1 Game machine, game machine control method, information recording medium, and program |
| 06/13/2007 | EP1795046A1 Multi-channel audio control |
| 06/13/2007 | EP1072089A4 Audio signal processing method and apparatus |
| 06/12/2007 | US7231053 Enhanced multi-channel audio surround sound from front located loudspeakers |
| 06/07/2007 | WO2005094529A3 Configurable filter for processing television audio signals |
| 06/07/2007 | US20070127925 Optical disk player |
| 06/07/2007 | US20070127733 Scheme for Generating a Parametric Representation for Low-Bit Rate Applications |
| 06/06/2007 | EP1793647A2 Optical disk player |
| 06/06/2007 | CN1977565A Acoustic device and reproduction mode setting method |
| 05/31/2007 | WO2007060443A2 Audio signal processing method and system |
| 05/31/2007 | WO2007043388B1 Acoustic signal processing device and acoustic signal processing method |
| 05/24/2007 | WO2006132857A3 Apparatus and method for encoding audio signals with decoding instructions |
| 05/23/2007 | EP1788845A2 Acoustic correcting apparatus |
| 05/23/2007 | EP1788844A2 Public address system,method for generating spatial sound images and software |
| 05/23/2007 | EP1787495A1 Combining audio signals using auditory scene analysis |
| 05/23/2007 | EP1787494A2 Personalized headphone virtualization |
| 05/22/2007 | US7221625 Multi-channel acoustic apparatus with DVD reproduction function |
| 05/18/2007 | WO2007055464A1 Apparatus for encoding and decoding audio signal and method thereof |
| 05/18/2007 | WO2007055463A1 Apparatus for encoding and decoding audio signal and method thereof |
| 05/18/2007 | WO2007055462A1 Apparatus for encoding and decoding audio signal and method thereof |
| 05/18/2007 | WO2007055461A1 Apparatus for encoding and decoding audio signal and method thereof |
| 05/18/2007 | WO2007055460A1 Apparatus for encoding and decoding audio signal and method thereof |
| 05/18/2007 | WO2007054285A1 A method and system for sound reproduction, and a program product |
| 05/17/2007 | US20070112559 Audio signal synthesis |
| 05/17/2007 | US20070110268 Array speaker apparatus |
| 05/17/2007 | US20070110250 Transaural stereo device |
| 05/16/2007 | EP1786241A2 Sound field correction apparatus |
| 05/16/2007 | EP1785009A1 Method for expanding an audio mix to fill all available output channels |
| 05/16/2007 | CN1964582A Audio signal processing apparatus, and audio signal processing method |
| 05/16/2007 | CN1964578A System and method for providing interactive audio in a multi-channel audio environment |
| 05/15/2007 | US7218740 Audio system |
| 05/10/2007 | US20070106404 Multi-channel speaker system and a connection system thereof |
| 05/09/2007 | EP1784049A1 A method and system for sound reproduction, and a program product |
| 05/09/2007 | EP1371268B1 System and method for automatically adjusting the sound and visual parameters of a home theatre system |
| 05/09/2007 | CN1961611A Acoustical signal processing apparatus |
| 05/03/2007 | WO2007049866A1 Removing time delays in signal paths |
| 05/03/2007 | WO2007049865A1 Removing time delays in signal paths |
| 05/03/2007 | WO2007049864A1 Removing time delays in signal paths |
| 05/03/2007 | WO2007049863A2 Removing time delays in signal paths |
| 05/03/2007 | WO2007049862A1 Removing time delays in signal paths |
| 05/03/2007 | WO2007049861A1 Removing time delays in signal paths |
| 05/03/2007 | WO2007004186A3 Parametric multi-channel decoding |
| 05/02/2007 | EP1779385A1 Method and apparatus for encoding and decoding multi-channel audio signal using virtual source location information |
| 05/02/2007 | CN1957640A Scheme for generating a parametric representation for low-bit rate applications |
| 05/02/2007 | CN1314207C Voice encoding device and voice decoding device, and voice transmission method |
| 05/01/2007 | US7212872 Discrete multichannel audio with a backward compatible mix |
| 05/01/2007 | US7212253 Home entertainment system audio handling |
| 04/26/2007 | WO2007026025A3 Method to generate multi-channel audio signals from stereo signals |
| 04/25/2007 | EP1777991A2 Sound measuring apparatus and method, and audio signal processing apparatus |
| 04/25/2007 | EP1777990A2 Multi-channel audio system |
| 04/25/2007 | EP1777989A2 Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device |
| 04/25/2007 | CN1954642A Multi-channel synthesizer and method for generating a multi-channel output signal |
| 04/25/2007 | CN1953526A A display device and the AV playing system using the same |
| 04/25/2007 | CN1312961C Video frequency signal processor and video frequency signal processing method |
| 04/25/2007 | CN1312660C Signal synthesizing method and device |
| 04/19/2007 | WO2007043388A1 Acoustic signal processing device and acoustic signal processing method |
| 04/19/2007 | WO2007042108A1 Temporal and spatial shaping of multi-channel audio signals |
| 04/19/2007 | WO2006130329A3 System and method for creating personalized sound zones |
| 04/17/2007 | US7206650 Digital audio signal filtering mechanism and method |
| 04/17/2007 | US7206648 Multi-channel audio reproducing apparatus |
| 04/17/2007 | US7206415 Automated sound system designing |
| 04/17/2007 | US7206413 Sound processing system using spatial imaging techniques |