| Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597) |
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| 02/18/2010 | WO2010017966A1 Apparatus for merging spatial audio streams |
| 02/18/2010 | WO2009131658A3 An electrical system for a speaker and its control |
| 02/18/2010 | CA2734096A1 Apparatus for merging spatial audio streams |
| 02/18/2010 | CA2733904A1 An apparatus for determining a converted spatial audio signal |
| 02/17/2010 | EP2154910A1 Apparatus for merging spatial audio streams |
| 02/17/2010 | EP2154677A1 An apparatus for determining a converted spatial audio signal |
| 02/17/2010 | EP2153441A1 A device for and a method of processing audio data |
| 02/16/2010 | US7664270 3D audio signal processing system using rigid sphere and method thereof |
| 02/11/2010 | WO2010015275A1 Method for multi-channel processing in a multi-channel sound system |
| 02/11/2010 | DE102008036924A1 Verfahren zur Mehrkanalbearbeitung in einem Mehrkanaltonsystem A method for multi-channel processing in a multichannel audio system |
| 02/10/2010 | CN100589656C Device and method for generating a loudspeaker signal based on a randomly occurring audio source |
| 02/09/2010 | US7660424 Audio channel spatial translation |
| 02/04/2010 | WO2010013180A1 Audio system and method of operation therefor |
| 02/04/2010 | WO2010012927A1 Reconstruction of multi-channel audio data |
| 02/04/2010 | WO2010012478A2 Signal generation for binaural signals |
| 02/04/2010 | CA2820208A1 Signal generation for binaural signals |
| 02/03/2010 | EP2150078A2 Adjusting the emission of sound beams in a sound projector |
| 02/03/2010 | CN101641970A A method and encoder for combining digital data sets, a decoding method and decoder for such combined digital data sets and a record carrier for storing such combined digital data set |
| 02/03/2010 | CN100588287C Acoustic characteristic adjuster |
| 02/03/2010 | CN100588286C Device and method for producing a low-frequency channel |
| 01/26/2010 | US7653203 Vehicle audio system surround modes |
| 01/21/2010 | WO2010006719A1 Apparatus and method for generating audio output signals using object based metadata |
| 01/21/2010 | CA2725793A1 Apparatus and method for generating audio output signals using object based metadata |
| 01/20/2010 | EP2146522A1 Apparatus and method for generating audio output signals using object based metadata |
| 01/20/2010 | EP2146341A1 A method and an apparatus for processing an audio signal |
| 01/20/2010 | EP1989920B1 Audio encoding and decoding |
| 01/20/2010 | EP1603119B1 Adaptive control of echo tail for pseudo stereo audio synthesis |
| 01/19/2010 | US7650002 Digital compressor for multi-channel audio system |
| 01/19/2010 | US7650000 Audio device and playback program for the same |
| 01/14/2010 | WO2010004155A1 Spatial synthesis of multichannel audio signals |
| 01/13/2010 | EP2143102A1 Audio encoding and decoding method and associated audio encoder, audio decoder and computer programs |
| 01/12/2010 | US7646875 Stereo coding and decoding methods and apparatus thereof |
| 01/06/2010 | EP2140450A1 A method and an apparatus for processing an audio signal |
| 01/06/2010 | CN100579298C Mixer apparatus and method for changing parameter settings in the mixer apparatus |
| 01/05/2010 | US7644003 Cue-based audio coding/decoding |
| 12/30/2009 | EP2139267A1 Acoustic reproduction device |
| 12/30/2009 | EP2137606A2 Method and apparatus for converting signals |
| 12/24/2009 | US20090319281 Cue-based audio coding/decoding |
| 12/24/2009 | US20090316914 Efficient and Scalable Parametric Stereo Coding for Low Bitrate Audio Coding Applications |
| 12/23/2009 | WO2009126410A3 Integrated latency detection and echo cancellation |
| 12/23/2009 | EP2136576A2 AV System |
| 12/23/2009 | EP1711030B1 Speaker apparatus |
| 12/23/2009 | CN100574516C Method and apparatus to simulate 2-channel virtualized sound for multi-channel sound |
| 12/17/2009 | WO2009150288A1 Method, apparatus and computer program product for providing improved audio processing |
| 12/16/2009 | CN100571450C System and method for providing interactive audio in a multi-channel audio environment |
| 12/16/2009 | CN100571043C Space parameter stereo coding/decoding method and device thereof |
| 12/15/2009 | CA2325482C Audio signal processing method and apparatus |
| 12/09/2009 | EP2130403A1 Method and apparatus for enhancement of audio reconstruction |
| 12/09/2009 | EP2130204A1 Method and apparatus for conversion between multi-channel audio formats |
| 12/09/2009 | EP1522209B1 A stereo signal processing apparatus |
| 12/09/2009 | EP0923848B1 Multichannel active matrix sound reproduction with maximum lateral separation |
| 12/09/2009 | CN100569008C System and method for vehicle audio surround modes |
| 12/03/2009 | US20090298430 Directional communication systems |
| 12/02/2009 | EP2128856A1 Stream generating device, decoding device, and method |
| 12/02/2009 | CN100566459C A multi-channel speaker system and a connection system thereof |
| 12/01/2009 | CA2344523C Multi-channel signal encoding and decoding |
| 11/26/2009 | WO2009141775A1 A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder |
| 11/26/2009 | WO2009140794A1 Apparatus and method for audio cloning and redirection |
| 11/25/2009 | EP2124485A2 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 11/25/2009 | CN100563380C Acoustic apparatus and acoustic setting method |
| 11/19/2009 | WO2009138936A1 A surround sound reproduction system |
| 11/19/2009 | US20090287495 Spatial audio |
| 11/18/2009 | EP2120486A1 Method and device for creating surround sound |
| 11/17/2009 | US7620656 Methods and systems for synchronizing visualizations with audio streams |
| 11/11/2009 | CN101577851A Method for improving stereo crosstalk |
| 11/05/2009 | DE102008022348A1 Three channel microphone for use in video camera for receiving stereo signal together with mono signal, has three microphone capsules connected to plate by diode-circuit, where stereo signals are provided as outputs of microphone |
| 11/03/2009 | US7613313 System and method for control of audio field based on position of user |
| 10/29/2009 | WO2009131658A2 An electrical system for a speaker and its control |
| 10/29/2009 | US20090268917 Dynamic Power Sharing in a Multi-Channel Sound System |
| 10/28/2009 | EP1994526B1 Joint sound synthesis and spatialization |
| 10/28/2009 | CN101567183A Digital camera audio processor |
| 10/22/2009 | WO2009129008A1 Multi-channel acoustic echo cancellation system and method |
| 10/21/2009 | EP1880577B1 Device and method for generating a loudspeaker signal based on a randomly occurring audio source |
| 10/21/2009 | CN100553372C Apparatus and method for calculating a discrete value of a component in a loudspeaker signal |
| 10/20/2009 | US7606373 Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions |
| 10/20/2009 | US7606372 Device and method for determining a reproduction position |
| 10/15/2009 | WO2009126561A1 Surround sound generation from a microphone array |
| 10/15/2009 | WO2009126410A2 Integrated latency detection and echo cancellation |
| 10/15/2009 | WO2009124772A1 Apparatus and method for generating filter characteristics |
| 10/14/2009 | CN201328181Y Multichannel digital sound-field wireless headset device |
| 10/14/2009 | CN101558448A System and method for acquiring and editing audio data and video data |
| 10/14/2009 | CN101556798A Multi-channel decoding system and method thereof |
| 10/14/2009 | CN100551134C Device for level correction in a wave field synthesis system |
| 10/08/2009 | WO2009089209A4 Matrix decoder |
| 10/07/2009 | EP2107833A1 Audio wave field encoding |
| 10/06/2009 | US7599961 Methods and systems for synchronizing visualizations with audio streams |
| 09/30/2009 | EP2106161A2 Audio apparatus for wirelessly transmitting audio signal, audio system, and audio signal transmission method thereof |
| 09/30/2009 | EP1616461B1 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 09/30/2009 | CN101547265A Method, equipment and system for processing signal of 3D audio conference |
| 09/29/2009 | US7596582 Methods and systems for synchronizing visualizations with audio streams |
| 09/24/2009 | WO2009117434A1 Realistic audio communications in a three dimensional computer-generated virtual environment |
| 09/24/2009 | WO2009115299A1 Device and method for acoustic indication |
| 09/24/2009 | US20090240998 Method and system for wireless real-time transmission of multichannel audio or video data |
| 09/23/2009 | EP2102865A1 System and method for acquiring and editing audio data and video data |
| 09/23/2009 | EP2015292B1 Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 09/23/2009 | CN100544504C Film sound track replay system with volume controller |
| 09/22/2009 | US7593533 Sound system and method of sound reproduction |
| 09/17/2009 | US20090231491 Configurable Filter for Processing Television Audio Signals |
| 09/16/2009 | EP2101516A2 Amplifier controller |
| 09/16/2009 | EP2100296A1 Digital audio mixing |