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)
08/2012
08/29/2012CN102124516B Audio signal transformatting
08/28/2012US8254585 Stereo coding and decoding method and apparatus thereof
08/28/2012CA2626132C Removing time delays in signal paths
08/23/2012WO2012011015A9 System and method for sound reproduction
08/23/2012US20120213377 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
08/22/2012EP2489039A1 Optimized low-throughput parametric coding/decoding
08/22/2012EP2489036A1 Method, apparatus and computer program for processing multi-channel audio signals
08/22/2012CN101872618B Multi-channel audio decoder
08/22/2012CN101361114B Apparatus for processing media signal and method thereof
08/16/2012US20120207312 Preserving matrix surround information in encoded audio/video system and method
08/16/2012DE102011011115A1 Method for generating and discharging temporal spatial crossed holophonic wave pattern, involves forming spatial temporal crossed sound pattern that are dependent on music input signal by interference reflection
08/15/2012EP2487085A2 Lane departure warning system and a method for a lane departure warning system
08/15/2012EP2486736A2 Multichannel audio system having audio channel compensation
08/15/2012EP2486563A1 Efficient multichannel signal processing by selective channel decoding
08/15/2012CN102640519A Apparatus and method for amplification of audio content
08/15/2012CN102065366B Method and device for processing multi-channel sound sample data
08/15/2012CN101517637B Encoder and decoder of audio frequency, encoding and decoding method, hub, transreciver, transmitting and receiving method, communication system and playing device
08/15/2012CN101364922B Data communication system
08/15/2012CN101212843B Method and apparatus to reproduce stereo sound of two channels based on individual auditory properties
08/15/2012CN101035396B Method and apparatus for reproducing multi-channel sound using cable/wireless device
08/14/2012US8243936 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
08/14/2012CA2598541C Near-transparent or transparent multi-channel encoder/decoder scheme
08/09/2012WO2012105886A1 Determining the inter-channel time difference of a multi-channel audio signal
08/09/2012WO2012105885A1 Determining the inter-channel time difference of a multi-channel audio signal
08/08/2012EP2485503A2 Audio processing apparatus
08/08/2012EP2484127A1 An apparatus
08/08/2012CN1751540B Method and device for controlling a reproduction unit using a multi-channel signal
08/08/2012CN102629471A Multi-decoder audio system, system signal flow and composed mobile equipment
08/08/2012CN102157149B Stereo signal down-mixing method and coding-decoding device and system
08/08/2012CN101133680B Device and method for generating an encoded stereo signal of an audio piece or audio data stream
08/08/2012CN101133679B Personalized headphone virtualization
08/07/2012US8238578 Electroacoustical transducing with low frequency augmenting devices
08/07/2012US8238564 Sound reproduction method and apparatus for assessing real-world performance of hearing and hearing aids
08/06/2012DE202012102524U1 Erweiterbare Soundbar Expandable Soundbar
08/01/2012EP1624718B1 Array speaker system
07/2012
07/31/2012US8233630 Test apparatus, test method, and computer program
07/25/2012EP2478716A1 Apparatus and method for calculating driving coefficients for loudspeakers of a loudspeaker arrangement for an audio signal associated with a virtual source
07/25/2012CN102006544B Method for realizing long space inside strong directionality sound system
07/18/2012CN1352517B Remote control method and equipment, remote controller
07/18/2012CN102598718A Loudspeaker system for reproducing multi-channel sound with an improved sound image
07/18/2012CN102598120A Coding of multi-channel signals
07/18/2012CN102595153A Display system for dynamically supplying three-dimensional sound effects and relevant method
07/18/2012CN101996634B Efficient and scalable parametric stereo coding for low bitrate applications
07/18/2012CN101406074B Decoder and corresponding method, double-ear decoder, receiver comprising the decoder or audio frequency player and related method
07/17/2012CA2392601C Method for deriving at least three audio signals from two input audio signals
07/12/2012WO2012093352A1 An audio system and method of operation therefor
07/11/2012EP2475193A1 Method for playing a multimedia content comprising audio and stereoscopic video
07/11/2012CN102577439A A sound reproduction apparatus and a method for speaker charging/calibration employed in said apparatus
07/11/2012CN102576531A Method, apparatus and computer program for processing multi-channel audio signals
07/11/2012CN102572675A Signal processing method, signal processing device and representation device
07/11/2012CN102568487A Apparatus and method for processing multi-channel audio signal using space information
07/11/2012CN102568486A Apparatus and method for processing multi-channel audio signal using space information
07/05/2012US20120170759 System and method for enhanced streaming audio
07/04/2012CN102550048A An apparatus
07/04/2012CN102549656A Efficient multichannel signal processing by selective channel decoding
07/04/2012CN102547549A Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
07/04/2012CN101180919B Multi-channel bass management method and system
07/03/2012US8213621 Method and device for controlling a reproduction unit using a multi-channel
06/2012
06/28/2012WO2012088336A2 Audio spatialization and environment simulation
06/27/2012EP2468016A1 Loudspeaker system for reproducing multi-channel sound with an improved sound image
06/27/2012CN1930914B Frequency-based coding of audio channels in parametric multi-channel coding systems
06/26/2012US8208970 Directional communication systems
06/21/2012WO2012082148A1 Circuit device for providing a three-dimensional sound system
06/20/2012EP2466919A2 Audio apparatus, control method for the audio apparatus, and program
06/20/2012EP2466914A1 Speaker array for virtual surround sound rendering
06/20/2012EP1880576B1 Audio processing
06/20/2012CN1964582B Audio signal processing apparatus, and audio signal processing method
06/20/2012CN1784926B Array speaker system
06/14/2012WO2012076332A1 Apparatus and method for decomposing an input signal using a downmixer
06/14/2012WO2012076331A1 Apparatus and method for decomposing an input signal using a pre-calculated reference curve
06/14/2012WO2012050382A3 Method and apparatus for downmixing multi-channel audio signals
06/14/2012WO2012038924A3 Enriching digital photographs
06/14/2012CA2820376A1 Apparatus and method for decomposing an input signal using a downmixer
06/14/2012CA2820351A1 Apparatus and method for decomposing an input signal using a pre-calculated reference curve
06/13/2012EP2464146A1 Apparatus and method for decomposing an input signal using a pre-calculated reference curve
06/13/2012EP2464145A1 Apparatus and method for decomposing an input signal using a downmixer
06/13/2012EP2464127A1 Electronic device generating stereo sound synchronized with stereographic moving picture
06/13/2012EP1929838B1 Method and apparatus to generate spatial sound
06/13/2012EP1562403B1 Audio signal processing method and processing device
06/13/2012EP1506692B1 Method for preserving matrix surround information in encoded audio/video
06/12/2012US8200500 Cue-based audio coding/decoding
06/12/2012US8199936 Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system
06/07/2012US20120140959 Sound system and method of sound reproduction
06/06/2012EP2461607A1 Audio device
06/06/2012DE102011120196A1 Medienverteilungssystem Media distribution system
06/06/2012CN1910957B Speaker apparatus
06/06/2012CN1643982B Method and device for control of a unit for reproduction of an acoustic field
06/05/2012US8194868 Loudspeaker system for virtual sound synthesis
06/05/2012US8194863 Speaker system
06/05/2012US8194861 Scheme for generating a parametric representation for low-bit rate applications
05/2012
05/31/2012WO2012068960A1 Method and device for processing audio in video communication
05/30/2012EP2458895A2 Information processing apparatus, information processing method and program
05/30/2012EP2308244B1 Audio system and method of operation therefor
05/30/2012CN1419796B Virtual sound image localizing device and virtual sound image localizing method
05/30/2012CN102480672A 音效处理装置、多音源音效应用系统以及方法 Audio processing unit, multi-source audio application system and method
05/30/2012CN102480671A Audio processing method and device in video communication
05/30/2012CN101887724B Decoding method for encoding power spectral envelope
05/30/2012CN101356571B Temporal and spatial shaping of multi-channel audio signals
05/24/2012WO2012066183A1 Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof
05/24/2012DE102010051464A1 Device for multi-channel recording of acoustic signal in microphone system, has separation device that changes directional characteristics of microphone capsules and lateral sound incident duration between capsules
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