| 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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| 07/04/2007 | EP1206896A4 Audio speaker system for personal computer |
| 07/04/2007 | CN1993002A Sound image localization apparatus |
| 06/28/2007 | WO2007071270A1 Apparatus and method for synthesizing three output channels using two input channels |
| 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 | CN1989563A Reproduction apparatus, program, and reproduction method |
| 06/21/2007 | US20070140499 Multichannel audio coding |
| 06/21/2007 | DE10148351B4 Verfahren und Vorrichtung zur Auswahl eines Klangalgorithmus Method and apparatus for selecting a sound algorithm |
| 06/14/2007 | WO2007066378A1 Sound signal processing device, method of processing sound signal, sound reproducing system, method of designing sound signal processing device |
| 06/14/2007 | US20070133813 Sound reproducing apparatus and method of identifying positions of speakers |
| 06/13/2007 | EP1072089A4 Audio signal processing method and apparatus |
| 06/13/2007 | CN1981558A Loudspeaker directivity control method and audio reproduction device |
| 06/13/2007 | CN1321545C Echo effect output signal generator of earphone |
| 06/07/2007 | WO2007064121A1 Method and apparatus to reproduce expanded sound using mono speaker |
| 06/07/2007 | WO2007063880A1 Position detection system, audio device and terminal device used in the position detection system |
| 06/07/2007 | US20070127729 Audio coding |
| 06/06/2007 | DE102005057406A1 Verfahren zur Aufnahme einer Tonquelle mit zeitlich variabler Richtcharakteristik und zur Wiedergabe sowie System zur Durchführung des Verfahrens A method for recording a sound source with time-variable directional and playback and system for implementing the method |
| 06/06/2007 | CN1977565A Acoustic device and reproduction mode setting method |
| 06/06/2007 | CN1976546A Apparatus and method for reproducing expanded sound using mono speaker |
| 05/31/2007 | WO2007043388B1 Acoustic signal processing device and acoustic signal processing method |
| 05/30/2007 | CN1973465A Loudspeaker array device and method for setting sound beam of loudspeaker array device |
| 05/24/2007 | DE102005054586A1 Beschallungsanlage, Verfahren zur Erzeugung von räumlichen Klangbildern und Software PA System, method for the production of spatial sound images and software |
| 05/23/2007 | EP1788846A1 Audio reproducing system |
| 05/17/2007 | US20070110250 Transaural stereo device |
| 05/17/2007 | US20070110249 Method of acoustic signal reproduction |
| 05/16/2007 | CN1965610A Coding reverberant sound signals |
| 05/16/2007 | CN1964578A System and method for providing interactive audio in a multi-channel audio environment |
| 05/09/2007 | EP1784048A2 Signal processing apparatus and method |
| 05/02/2007 | CN1956607A Multi-channel audio system and method for generating virtual speaker sound |
| 05/01/2007 | US7212872 Discrete multichannel audio with a backward compatible mix |
| 04/26/2007 | WO2007046288A1 Localization control device, localization control method, localization control program, and computer-readable recording medium |
| 04/26/2007 | WO2007045016A1 Spatial audio simulation |
| 04/26/2007 | WO2007026025A3 Method to generate multi-channel audio signals from stereo signals |
| 04/25/2007 | CN1954387A Recording medium, reproduction device, program, reproduction method, and integrated circuit |
| 04/25/2007 | CN1953620A A method to process virtual surround sound signal of 5.1 access |
| 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 |
| 04/17/2007 | US7206414 Method and device for selecting a sound algorithm |
| 04/17/2007 | US7206413 Sound processing system using spatial imaging techniques |
| 04/12/2007 | WO2007040315A1 Method and apparatus to generate spatial sound |
| 04/11/2007 | EP1621047B1 Audio signal generation |
| 04/11/2007 | CN1945966A Dynamic allocation of power supplied by a power supply and frequency agile spectral filtering of signals |
| 04/10/2007 | US7203142 Multi-source surround audio apparatus |
| 04/05/2007 | US20070076893 Multichannel spectral mapping audio apparatus and method with dynamically varying mapping coefficients |
| 04/04/2007 | EP1770705A1 Recording medium, reproduction device, program, reproduction method, and integrated circuit |
| 04/04/2007 | EP1769491A1 Audio channel conversion |
| 04/04/2007 | CN1943273A Sound image localization controller |
| 04/03/2007 | US7200239 Acoustic apparatus having balance adjustment |
| 04/03/2007 | US7200236 Multi-channel audio enhancement system for use in recording playback and methods for providing same |
| 04/03/2007 | US7199920 Two stage optical amplifier |
| 03/29/2007 | WO2007034806A1 Signal processing device, signal processing method, signal processing program, and computer readable recording medium |
| 03/28/2007 | EP1768454A2 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 03/28/2007 | EP1768452A1 Acoustic device and reproduction mode setting method |
| 03/20/2007 | US7194084 System and method for stereo conferencing over low-bandwidth links |
| 03/15/2007 | WO2007029507A1 Multi-channel audio signal correction device |
| 03/15/2007 | WO2006060280A8 Parametric coding of spatial audio with cues based on transmitted channels |
| 03/15/2007 | WO2006008697A8 Audio channel conversion |
| 03/13/2007 | US7191124 Voice input and output apparatus with balancing among sound pressures at control points in a sound field |
| 03/07/2007 | EP1761110A1 Method to generate multi-channel audio signals from stereo signals |
| 03/07/2007 | EP1760920A1 Loudspeaker array device and method for setting sound beam of loudspeaker array device |
| 03/07/2007 | CN1926607A Multichannel audio coding |
| 03/07/2007 | CN1925697A Three-dimensional stereo output device and driving method |
| 02/28/2007 | EP1757165A1 Coding reverberant sound signals |
| 02/28/2007 | EP1618763B1 Audio signal synthesis |
| 02/28/2007 | CN1922924A Acoustic reproduction device and loudspeaker position identification method |
| 02/20/2007 | US7181019 Audio coding |
| 02/14/2007 | EP1752017A1 Apparatus and method of reproducing wide stereo sound |
| 02/14/2007 | EP1500082B1 Signal synthesizing |
| 02/13/2007 | US7177432 Sound processing system with degraded signal optimization |
| 02/07/2007 | CN1910953A Speaker apparatus |
| 02/06/2007 | US7174023 Automatic wind noise reduction circuit and automatic wind noise reduction method |
| 02/01/2007 | US20070025703 System and method for reproducing moving picture |
| 01/25/2007 | WO2007010785A1 Audio decoder |
| 01/25/2007 | WO2007010771A1 Signal processing device |
| 01/25/2007 | US20070019831 Array speaker system |
| 01/24/2007 | CN1901761A Method and apparatus to reproduce wide mono sound |
| 01/24/2007 | CN1297177C Voice-frequency information conversion method |
| 01/23/2007 | US7167567 Method of processing an audio signal |
| 01/23/2007 | US7167566 Transaural stereo device |
| 01/18/2007 | WO2007007695A1 Audio system |
| 01/18/2007 | US20070014417 Accoustic processing device |
| 01/17/2007 | CN1898991A Audio apparatus |
| 01/17/2007 | CN1898989A Acoustic signal reproducing method |
| 01/16/2007 | US7164769 Multichannel spectral mapping audio apparatus and method with dynamically varying mapping coefficients |
| 01/16/2007 | US7164768 Audio signal processing |
| 01/11/2007 | WO2007004433A1 Sound image positioning control device |
| 01/11/2007 | WO2007004397A1 Acoustic signal processing apparatus, acoustic signal processing method, acoustic signal processing program, and computer readable recording medium |
| 01/11/2007 | US20070009238 Optical disc apparatus |
| 01/10/2007 | EP1430751B1 Method and apparatus for multichannel logic matrix decoding |
| 01/03/2007 | EP1738356A1 Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
| 12/28/2006 | WO2006137400A1 Mixing device, method, and program |
| 12/28/2006 | WO2006052188B1 Surround sound processing arrangement and method |
| 12/28/2006 | US20060291669 Audio Signal Processing |
| 12/21/2006 | WO2006134820A1 Sound reproducing apparatus |
| 12/20/2006 | CN1883228A Array speaker device |
| 12/14/2006 | WO2006132136A1 Audio device and audio beam control method |
| 12/14/2006 | US20060280323 Virtual Multichannel Speaker System |
| 12/13/2006 | CN1879450A Audio signal processing system and method |