| Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597) |
|---|
| 04/11/2007 | EP0873667B1 Sound system |
| 04/11/2007 | CN1947172A Method, device, encoder apparatus, decoder apparatus and frequency system |
| 04/11/2007 | CN1310432C Voice coding, decoding and transmission method |
| 04/11/2007 | CN1310241C Voice coding method and decoding method, and voice transmission method |
| 04/11/2007 | CN1310240C Voice coding method and decoding method, and voice transmission method |
| 04/10/2007 | US7203142 Multi-source surround audio apparatus |
| 04/05/2007 | US20070076905 Audio output apparatus |
| 04/05/2007 | US20070076893 Multichannel spectral mapping audio apparatus and method with dynamically varying mapping coefficients |
| 04/04/2007 | EP1769655A1 Method, device, encoder apparatus, decoder apparatus and audio system |
| 04/04/2007 | CN1942024A Method and apparatus for audio matrix decoding |
| 04/04/2007 | CN1308950C Voice code device and decode device, as well as transmission and reception method |
| 04/03/2007 | US7200236 Multi-channel audio enhancement system for use in recording playback and methods for providing same |
| 03/29/2007 | WO2007007263A3 Audio encoding and decoding |
| 03/28/2007 | EP1768454A2 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 03/28/2007 | EP1768453A2 Audio signal processing device |
| 03/28/2007 | EP1768452A1 Acoustic device and reproduction mode setting method |
| 03/28/2007 | EP1768451A1 Acoustic signal encoding device and acoustic signal decoding device |
| 03/28/2007 | CN1938760A Multi-channel encoder |
| 03/28/2007 | CN1307853C Method for appts. for audio matrix decoding |
| 03/28/2007 | CN1307612C Encoding and decoding method for audio signal, encoder, decoder, and related equipments |
| 03/22/2007 | WO2007031896A1 Audio coding |
| 03/21/2007 | EP1763870A1 Generation of a multichannel encoded signal and decoding of a multichannel encoded signal |
| 03/20/2007 | US7193538 Matrix improvements to lossless encoding and decoding |
| 03/15/2007 | WO2007029500A1 Voice output device and method, program, and room |
| 03/15/2007 | WO2007028922A1 Method and device for actively correcting acoustic properties of an acoustic space listening zone |
| 03/15/2007 | CA2621553A1 Method and device for actively correcting acoustic properties of an acoustic space listening zone |
| 03/14/2007 | EP1319224A4 Dynamic power sharing in a multi-channel sound system |
| 03/14/2007 | CN1930915A A method and system for processing sound signals |
| 03/14/2007 | CN1930914A Frequency-based coding of audio channels in parametric multi-channel coding systems |
| 03/13/2007 | US7191124 Voice input and output apparatus with balancing among sound pressures at control points in a sound field |
| 03/08/2007 | WO2006084916A3 Parametric joint-coding of audio sources |
| 03/07/2007 | EP1761110A1 Method to generate multi-channel audio signals from stereo signals |
| 03/07/2007 | CN1926607A Multichannel audio coding |
| 03/07/2007 | CN1303583C Multichannel vocoder |
| 02/28/2007 | EP1758428A1 Acoustical signal processing apparatus |
| 02/28/2007 | EP1618763B1 Audio signal synthesis |
| 02/28/2007 | CN1922657A Decoding scheme for variable block length signals |
| 02/28/2007 | CN1922655A Audio signal encoding device, audio signal decoding device, method thereof and program |
| 02/27/2007 | US7184559 System and method for audio telepresence |
| 02/20/2007 | US7181299 Transmitting method and apparatus |
| 02/15/2007 | WO2006100644A3 Orientation and position adaptation for immersive experiences |
| 02/15/2007 | US20070036366 Audio characteristic correction system |
| 02/14/2007 | EP1752017A1 Apparatus and method of reproducing wide stereo sound |
| 02/14/2007 | EP1751854A1 Audio amplifier and speaker incorporating audio amplifier |
| 02/14/2007 | EP1671516B1 Device and method for producing a low-frequency channel |
| 02/14/2007 | EP1500082B1 Signal synthesizing |
| 02/14/2007 | CN1914952A Audio/video system |
| 02/13/2007 | US7177432 Sound processing system with degraded signal optimization |
| 02/08/2007 | US20070030981 Motor vehicle sound system |
| 02/08/2007 | US20070030977 Array speaker system |
| 02/08/2007 | US20070030976 Array speaker system |
| 02/07/2007 | CN1910957A Speaker apparatus |
| 02/07/2007 | CN1910953A Speaker apparatus |
| 02/07/2007 | CN1910655A Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| 01/31/2007 | CN1906971A Device and method for producing a low-frequency channel |
| 01/30/2007 | US7171009 Method of correcting sound field in an audio system |
| 01/25/2007 | WO2007010451A1 Generation of multi-channel audio signals |
| 01/25/2007 | WO2007009548A1 Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
| 01/25/2007 | US20070019831 Array speaker system |
| 01/25/2007 | US20070019816 Directional loudspeaker control system |
| 01/25/2007 | DE102005033239A1 Vorrichtung und Verfahren zum Steuern einer Mehrzahl von Lautsprechern mittels einer graphischen Benutzerschnittstelle Apparatus and method for controlling a plurality of loudspeakers by means of a graphical user interface |
| 01/25/2007 | DE102005033238A1 Vorrichtung und Verfahren zum Ansteuern einer Mehrzahl von Lautsprechern mittels eines DSP An apparatus and method for driving a plurality of loudspeakers by means of a DSP |
| 01/24/2007 | EP1746863A2 Method and apparatus to reproduce wide mono sound |
| 01/24/2007 | EP1745676A1 Scheme for generating a parametric representation for low-bit rate applications |
| 01/24/2007 | EP1606975B1 Device and method for calculating a discrete value of a component in a loudspeaker signal |
| 01/24/2007 | EP1568251B1 Method for describing the composition of audio signals |
| 01/24/2007 | EP1470437A4 Acoustic logging tool having programmable source waveforms |
| 01/24/2007 | CN1901760A Acoustic field measuring device and acoustic field measuring method |
| 01/24/2007 | CN1297177C Voice-frequency information conversion method |
| 01/23/2007 | US7167566 Transaural stereo device |
| 01/18/2007 | WO2007008010A1 Apparatus and method of processing an audio signal |
| 01/18/2007 | WO2007007469A1 Voice signal processor, voice signal processing method and program, and medium recording that program |
| 01/18/2007 | WO2007007263A2 Audio encoding and decoding |
| 01/17/2007 | EP1743505A2 Configurable filter for processing television audio signals |
| 01/17/2007 | EP1637012B1 Wave field synthesis device and method for driving an array of loudspeakers |
| 01/17/2007 | CN2859968Y Cassette split acoustic device |
| 01/17/2007 | CN1898991A Audio apparatus |
| 01/17/2007 | CN1898988A Audio output apparatus |
| 01/17/2007 | CN1295701C Voice code method and decode device and voice transmission method |
| 01/16/2007 | US7164773 Vehicle electroacoustical transducing |
| 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 | WO2007004397A1 Acoustic signal processing apparatus, acoustic signal processing method, acoustic signal processing program, and computer readable recording medium |
| 01/11/2007 | DE102005030855A1 Elektroakustisches Verfahren Electro-acoustic method |
| 01/10/2007 | EP1430751B1 Method and apparatus for multichannel logic matrix decoding |
| 01/10/2007 | EP1395081B1 Vehicle-mounted stereophonic sound field reproducer |
| 01/10/2007 | CN1893740A Mixer apparatus and method for changing parameter settings in the mixer apparatus |
| 01/09/2007 | US7162045 Sound processing method and apparatus |
| 01/09/2007 | US7162038 Audio source selection circuit |
| 01/04/2007 | US20070003069 Perceptual synthesis of auditory scenes |
| 01/03/2007 | EP1668959B1 Compatible multi-channel coding/decoding |
| 01/02/2007 | US7158643 Auto-calibrating surround system |
| 12/28/2006 | WO2006052188B1 Surround sound processing arrangement and method |
| 12/28/2006 | US20060291669 Audio Signal Processing |
| 12/28/2006 | DE102005027978A1 Vorrichtung und Verfahren zum Erzeugen eines Lautsprechersignals aufgrund einer zufällig auftretenden Audioquelle Apparatus and method for generating a speaker signal on the basis of a randomly occurring audio source |
| 12/27/2006 | EP1737271A1 Array microphone |
| 12/27/2006 | EP1737268A1 Sound field microphone |
| 12/27/2006 | EP1735779A1 Method, device, encoder apparatus, decoder apparatus and audio system |
| 12/27/2006 | EP1735778A1 Stereo coding and decoding methods and apparatuses thereof |
| 12/27/2006 | EP1735777A1 Multi-channel encoder |