Patents
Sitemap › H04 - Electric communication technique › H04S - Stereophonic systems › H04S 3 - Systems employing more than two channels, e.g. quadraphonic
Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597)
10/2010
10/14/2010WO2010116068A1 Method and device for forming a mixed signal, method and device for separating signals, and corresponding signal
10/13/2010CN1985544B Method, device, encoder apparatus, decoder apparatus and system for processing mixed signal of stereo
10/13/2010CN101860784A Representation method for multi-channel signal
10/12/2010US7813513 Multi-channel encoder
10/07/2010WO2010113434A1 Sound reproduction system and method
10/07/2010DE102009015174A1 Device for adaptive adjustment of single reproducing area in stereophonic sound reproduction system to listener position in e.g. monitor, has speakers combined with processor via signal connection, where localization of signal is reproduced
10/06/2010CN1758335B Efficient and scalable parametric stereo coding for low bit rate audio coding applications
10/06/2010CN101855918A Enhancing audio with remixing capability
10/06/2010CN101853660A Diffuse sound envelope shaping for binaural cue coding schemes and the like
09/2010
09/30/2010WO2010080854A3 Distributed spatial audio decoder
09/30/2010DE102009015417A1 Method for rendition of music pieces in motor vehicle, involves setting certain vehicle conditions and assigning sound data in each case, which is stored in memory unit arranged in motor vehicle
09/29/2010EP2234417A2 Audio mixer
09/29/2010EP2234270A1 Digital audio device
09/29/2010EP2232486A1 A method and an apparatus for processing an audio signal
09/29/2010CN1761368B Method and apparatus for reproducing audio signal
09/29/2010CN1691841B 5-2-5 matrix encoder and decoder system
09/29/2010CN1586091B Discrete surround audio system for home and automotive listening
09/29/2010CN101044794B Diffuse sound shaping for bcc schemes and the like
09/28/2010US7805313 Frequency-based coding of channels in parametric multi-channel coding systems
09/23/2010WO2010105695A1 Multi channel audio coding
09/22/2010EP1779385B1 Method and apparatus for encoding and decoding multi-channel audio signal using virtual source location information
09/22/2010CN101843114A Focusing on a portion of an audio scene for an audio signal
09/21/2010US7801734 Systems and methods of remotely enabling sound enhancement techniques
09/21/2010US7801570 Directional speaker for portable electronic device
09/21/2010US7801317 Apparatus and method of reproducing wide stereo sound
09/21/2010US7801312 Audio signal processing circuit
09/15/2010EP2229013A2 Speaker array apparatus and sound beam control method
09/15/2010EP2229012A1 Device, method, program, and system for canceling crosstalk when reproducing sound through plurality of speakers arranged around listener
09/15/2010CN101288338B Voice reproducing method and reproducer using line array speaker unit
09/15/2010CN101006750B Method for expanding an audio mix to fill all available output channels
09/14/2010US7796766 Audio center channel phantomizer
09/14/2010US7796765 Multichannel spectral mapping audio apparatus and method
09/10/2010WO2010101438A2 Audio output unit and audio signal output system for same
09/10/2010WO2010099752A1 Stereo coding method, device and encoder
09/08/2010EP2225893A1 A method and an apparatus for processing an audio signal
09/08/2010CN1761998B Method, component, audio encoder and system for generating mono-channel signals
09/08/2010CN101827087A Apparatus, method, and program for information processing
09/08/2010CN101826356A Audio apparatus and audio processing method
09/07/2010US7792308 Multichannel spectral mapping audio apparatus and method
09/07/2010US7792307 Multichannel spectral mapping audio apparatus and method
09/07/2010US7792306 Multichannel spectral mapping audio apparatus and method
09/07/2010US7792305 Multichannel spectral mapping audio apparatus and method
09/07/2010US7792304 Multichannel spectral mapping audio apparatus and method
09/02/2010WO2010097748A1 Parametric stereo encoding and decoding
09/01/2010EP2224430A2 Multichannel audio decoding
09/01/2010CN101822072A Image capturing apparatus
09/01/2010CN101819777A Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
08/2010
08/31/2010US7787638 Method for reproducing natural or modified spatial impression in multichannel listening
08/25/2010EP2222092A1 Speaker array apparatus and signal processing method
08/25/2010CN101816193A Low frequency management for multichannel sound reproduction systems
08/25/2010CN101814289A Digital audio multi-channel coding method and system of DRA (Digital Recorder Analyzer) with low bit rate
08/24/2010US7783052 Multichannel spectral mapping audio apparatus and method
08/24/2010US7783047 Sound filed reproduction apparatus and sound filed space reproduction system
08/19/2010WO2010061076A3 Method for processing a signal, in particular a digital audio signal
08/18/2010CN1758336B Efficient and scalable parametric stereo coding for low bit rate audio coding applications
08/18/2010CN101809654A Apparatus and method for synthesizing an output signal
08/18/2010CN101341792B Apparatus and method for integrating 3 output acoustic channels using 2 input acoustic channels
08/12/2010WO2010089357A2 Sound system
08/12/2010WO2010038075A3 Apparatus and method for reproducing a sound field with a loudspeaker array controlled via a control volume
08/11/2010EP2215629A1 Multichannel audio coding
08/11/2010EP2215628A1 Mutichannel audio encoder, decoder, and method thereof
08/11/2010CN101802907A Joint enhancement of multi-channel audio
08/11/2010CN101800926A Audio system and method for controlling output of the same
08/11/2010CN101800919A Sound signal processing device and playback device
08/11/2010CN101800048A Multi-channel digital audio coding method based on DRA coder and coding system thereof
08/11/2010CN101123829B Audio signal processing apparatus, audio signal processing method
08/10/2010US7773758 Multichannel spectral mapping audio apparatus and method
08/10/2010US7773757 Multichannel spectral mapping audio apparatus and method
08/10/2010US7773756 Multichannel spectral mapping audio encoding apparatus and method with dynamically varying mapping coefficients
08/05/2010DE102009006762A1 Loudspeaker arrangement, has individual emitters including level that is corrected such that emitters produce equivalent sound pressure corresponding to associated portions of entire emitting surface
08/04/2010EP2130403B1 Method and apparatus for enhancement of audio reconstruction
08/04/2010CN101341793B Method to generate multi-channel audio signals from stereo signals
08/03/2010US7769183 System and method for automatic room acoustic correction in multi-channel audio environments
08/03/2010US7769181 Multichannel spectral mapping audio apparatus and method
08/03/2010US7769180 Multichannel spectral mapping audio apparatus and method
08/03/2010US7769179 Multichannel spectral mapping audio apparatus and method
08/03/2010US7769178 Multichannel spectral mapping audio apparatus and method
07/2010
07/28/2010EP2211565A1 Audio mixing device
07/28/2010CN1748442B Multi-channel sound processing systems
07/28/2010CN1672464B Audio channel spatial translation
07/28/2010CN101790753A Audio encoding and decoding method and associated audio encoder, audio decoder and computer programs
07/28/2010CN101790123A Virtual surround sound system and implementation method thereof
07/27/2010US7764805 Apparatus for generating surround signal from two-channel stereo signal
07/22/2010WO2010083137A1 Method and system for frequency domain active matrix decoding without feedback
07/21/2010EP2209327A1 Audio system and method to control output of the audio system
07/21/2010EP2208363A1 Focusing on a portion of an audio scene for an audio signal
07/21/2010CN1849844B System and method for determining a representation of an acoustic field
07/20/2010US7760890 Sound processing system for configuration of audio signals in a vehicle
07/15/2010WO2010080854A2 Distributed spatial audio decoder
07/15/2010WO2010080451A1 Audio channel spatial translation
07/13/2010US7756274 Sonic landscape system
07/08/2010WO2010076850A1 Sound field control apparatus and sound field control method
07/08/2010WO2010076040A1 Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
07/07/2010EP2205007A1 Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
07/07/2010EP1866912B1 Multi-channel audio coding
07/06/2010US7751915 Device for level correction in a wave field synthesis system
07/06/2010US7751914 Signal processing apparatus
07/06/2010US7751795 Wired, wireless, infrared, and powerline audio entertainment systems
07/01/2010WO2010074893A1 Surround sound virtualizer and method with dynamic range compression
07/01/2010WO2010073187A1 Generating an output signal by send effect processing
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