| Patents for H04S 5 - Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation (2,758) |
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| 05/26/2006 | WO2006054360A1 Sound image generation device and sound image generation program |
| 05/24/2006 | EP1266541B1 System and method for optimization of three-dimensional audio |
| 05/24/2006 | CN1778143A Audio image control device design tool and audio image control device |
| 05/18/2006 | WO2006052188A1 Surround sound processing arrangement and method |
| 05/18/2006 | US20060103722 Voice output system and method |
| 05/17/2006 | EP1260119B1 Multi-channel sound reproduction system for stereophonic signals |
| 05/17/2006 | CN1774957A Audio signal generation |
| 05/17/2006 | CN1774956A Audio signal synthesis |
| 05/11/2006 | WO2006048227A1 Multichannel audio signal decoding using de-correlated signals |
| 05/11/2006 | US20060100809 Transmission characteristic measuring device transmission characteristic measuring method, and amplifier |
| 05/11/2006 | US20060098827 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 05/10/2006 | EP1654909A1 An audio stereo processing method, device and system |
| 05/04/2006 | US20060095269 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
| 05/03/2006 | EP1013018A4 Multichannel spectral mapping audio apparatus and method |
| 05/02/2006 | US7039204 Equalization for audio mixing |
| 04/27/2006 | US20060088175 Sound processing system using spatial imaging techniques |
| 04/27/2006 | US20060088168 Multichannel spectral vector mapping audio apparatus and method |
| 04/26/2006 | CN1765154A Acoustic processing device |
| 04/26/2006 | CN1254152C System and method for providing interactive audio in multi-channel audio environment |
| 04/25/2006 | CA2423893C Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
| 04/25/2006 | CA2389311C System and method for providing interactive audio in a multi-channel audio environment |
| 04/25/2006 | CA2270664C Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| 04/25/2006 | CA2185966C Sound generator synchronized with image display |
| 04/20/2006 | CA2579465A1 Improved head related transfer functions for panned stereo audio content |
| 04/13/2006 | WO2006038402A1 Acoustic adjustment device and acoustic adjustment method |
| 04/13/2006 | WO2006038380A1 3-dimensional acoustic reproduction device |
| 04/12/2006 | EP1121768A4 Method and device for developing a virtual speaker distant from the sound source |
| 04/12/2006 | CN1758338A Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 04/12/2006 | CN1758337A Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 04/12/2006 | CN1758336A Efficient and scalable parametric stereo coding for low bit rate audio coding applications |
| 04/12/2006 | CN1758335A Efficient and scalable parametric stereo coding for low bit rate audio coding applications |
| 03/30/2006 | WO2003093775A3 Sound detection and localization system |
| 03/29/2006 | EP1639580A1 Constrained filter encoding of polyphonic signals |
| 03/29/2006 | CN1753578A Playing method having three dimension stereo voice efficiency and its device |
| 03/29/2006 | CN1248545C Artificial stereo circuit and device thereof |
| 03/29/2006 | CN1248544C Multi-channel audio converter and method thereof |
| 03/23/2006 | WO2006030692A1 Sound image localizer |
| 03/16/2006 | US20060056638 Sound reproduction system, program and data carrier |
| 03/15/2006 | CN1748443A Support of a multichannel audio extension |
| 03/15/2006 | CN1748442A Multi-channel sound processing systems |
| 03/15/2006 | CN1748247A Audio coding |
| 03/14/2006 | US7013012 Method for processing sound effects in a notebook computer |
| 03/09/2006 | WO2006025531A1 Acoustic processing device |
| 03/09/2006 | DE102005019677A1 Verbesserungen für oder in Bezug auf eine Signalverarbeitung Improvements to or in relation to a signal processing |
| 03/07/2006 | US7010128 Method of processing and reproducing an audio stereo signal and an audio stereo signal reproduction system |
| 03/02/2006 | WO2006022380A1 Audio reproducing system |
| 03/02/2006 | US20060045277 Multichannel spectral mapping audio encoding apparatus and method with dynamically varying mapping coefficients |
| 03/02/2006 | US20060045274 Generation of a sound signal |
| 03/01/2006 | EP1631118A1 Array speaker system |
| 03/01/2006 | EP1629692A2 Multi-channel sound processing systems |
| 02/28/2006 | US7006636 Coherence-based audio coding and synthesis |
| 02/23/2006 | US20060039567 Audio reproducing apparatus |
| 02/22/2006 | EP1628505A2 Sound processing system for configuration of audio signals in a vehicle |
| 02/22/2006 | CN1738491A Sound processing system for configuration of audio signals in a vehicle |
| 02/22/2006 | CN1243459C High-fidelity audio transmitting device |
| 02/21/2006 | US7003467 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
| 02/17/2006 | CA2787775A1 Sound processing system for configuration of audio signals in a vehicle |
| 02/17/2006 | CA2783623A1 Sound processing system for configuration of audio signals in a vehicle |
| 02/15/2006 | CN1242551C Portable multi-channel amplifier |
| 02/09/2006 | WO2006014449A1 Audio coding/decoding |
| 02/09/2006 | US20060029231 Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 02/07/2006 | US6996283 Block size assignment using local contrast ratio |
| 02/07/2006 | US6996040 Pseudo multi-channel play-back apparatus |
| 02/02/2006 | US20060023895 Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 02/02/2006 | US20060023891 Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 02/02/2006 | US20060023888 Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 02/02/2006 | US20060023871 System and method for stereo conferencing over low-bandwidth links |
| 02/01/2006 | CN1728892A Sound-field correcting apparatus and method therefor |
| 02/01/2006 | CN1240044C Audio system which not only enables application of surround system standard to special playback uses but also easily maintains compatibility with surround system |
| 01/26/2006 | WO2006009139A1 Test signal generation device and acoustic reproduction system |
| 01/26/2006 | WO2006009004A1 Sound reproducing system |
| 01/26/2006 | WO2006008697A1 Audio channel conversion |
| 01/25/2006 | EP1618763A1 Audio signal synthesis |
| 01/24/2006 | CA2283838C Multidirectional audio decoding |
| 01/19/2006 | WO2006005938A1 Portable speaker system |
| 01/19/2006 | US20060013101 Audio apparatus and its reproduction program |
| 01/18/2006 | CN1237848C Headphone-use stereophonic device and voice signal processing method |
| 01/18/2006 | CN1237732C System and method for generating virtual speaker by using parametric sound system |
| 01/12/2006 | WO2006004159A1 Loudspeaker directivity control method and audio reproduction device |
| 01/12/2006 | WO2006004099A1 Reverberation adjusting apparatus, reverberation correcting method, and sound reproducing system |
| 01/12/2006 | US20060009986 Signal processing apparatus |
| 01/05/2006 | WO2006001272A1 Loudspeaker array device and method for setting sound beam of loudspeaker array device |
| 01/04/2006 | EP1613129A2 Apparatus for generating a pseudo-stereo signal |
| 01/04/2006 | EP1611772A1 Support of a multichannel audio extension |
| 01/04/2006 | CN1717125A Pseudo-stereo signal making apparatus |
| 01/04/2006 | CN1235443C Multiple-channel audio frequency replaying apparatus and method |
| 12/29/2005 | US20050286725 Pseudo-stereo signal making apparatus |
| 12/28/2005 | EP1610588A2 Audio signal processing |
| 12/28/2005 | CN1714601A Audio signal reproducing method and reproducing apparatus |
| 12/28/2005 | CN1714599A Equalization of the output in a stereo widening network |
| 12/28/2005 | CN1713784A Apparatus and method of reproducing a 7.1 channel sound |
| 12/22/2005 | WO2005122640A1 Coding reverberant sound signals |
| 12/22/2005 | US20050282631 Gaming machine with surround sound features |
| 12/22/2005 | US20050281408 Apparatus and method of reproducing a 7.1 channel sound |
| 12/21/2005 | EP0938832B1 Method and device for projecting sound sources onto loudspeakers |
| 12/21/2005 | CN1233201C System and method for optimization of three-dimensional audio |
| 12/15/2005 | WO2005120133A1 Apparatus and method of reproducing wide stereo sound |
| 12/15/2005 | US20050276420 Audio channel spatial translation |
| 12/14/2005 | EP0919109B1 Recording and play-back two-channel system for providing a holophonic reproduction of sounds |
| 12/14/2005 | CN1708186A Audio signal processing |