Patents
Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597)
07/2010
07/01/2010DE102009052539A1 Signalverarbeitungseinheit, Signalverarbeitungsverfahren und Aufzeichnungsmedium Signal processing unit, signal processing method, and recording medium
07/01/2010CA2744459A1 Surround sound virtualizer and method with dynamic range compression
06/2010
06/30/2010EP2203001A1 Audio control method and audio control apparatus
06/30/2010EP2201794A1 Enhancing audio with remixing capability
06/24/2010WO2010070016A1 Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters
06/23/2010EP2198633A2 Low frequency management for multichannel sound reproduction systems
06/23/2010EP2198632A1 Method and apparatus for generating a binaural audio signal
06/23/2010EP2100296B1 Digital audio mixing
06/23/2010CN101754086A Decoder and decoding method for multichannel audio coder using sound source location cue
06/23/2010CN101754085A Retransmission device for realizing surround sound by utilizing multiple beam
06/23/2010CN101754072A DC coupling audio output unit
06/17/2010WO2010066271A1 Apparatus for generating a multi-channel audio signal
06/17/2010CA2746507A1 Apparatus for generating a multi-channel audio signal
06/16/2010EP2197220A2 Audio apparatus and signal calibration method thereof
06/10/2010US20100142734 Vehicle-mounted three dimensional sound field reproducing unit
06/09/2010EP2194732A2 Sound volume correcting device, sound volume correcting method, sound volume correcting program, and electronic apparatus
06/09/2010EP2194527A2 Apparatus for generating and playing object based audio contents
06/08/2010US7734362 Calculating a doppler compensation value for a loudspeaker signal in a wavefield synthesis system
06/03/2010WO2010061076A2 Method for processing a signal, in particular a digital audio signal
06/02/2010EP1787495B1 Combining audio signals using auditory scene analysis
06/02/2010CN101188878B A space parameter quantification and entropy coding method for 3D audio signals and its system architecture
05/2010
05/27/2010WO2010057997A1 Converter and method for converting an audio signal
05/27/2010CA2744429A1 Converter and method for converting an audio signal
05/26/2010EP2190221A1 Audio system
05/26/2010EP2189010A1 Apparatus and method for determining a component signal with great accuracy
05/26/2010EP2189009A1 An audio reproduction system comprising narrow and wide directivity loudspeakers
05/26/2010CN1647156B Parameter coding method, parameter coder, device for providing audio frequency signal, decoding method, decoder, device for providing multi-channel audio signal
05/26/2010CN1575045B Surrounding sound circuit and device, acoustic device and acoustic field regulation device
05/26/2010CN101040434B 音频放大器 Audio Amplifiers
05/25/2010CA2422086C Networked sound masking system with centralized sound masking generation
05/20/2010WO2010054780A1 Method for generating a downward-compatible sound format
05/20/2010DE102008056704A1 Verfahren zum Erzeugen eines abwärtskompatiblen Tonformates A method for generating a backward-compatible tone format
05/13/2010US20100119081 Electroacoustical transducing with low frequency augmenting devices
05/13/2010US20100119078 Audio distribution system
05/12/2010CN1954642B Multi-channel synthesizer and method for generating a multi-channel output signal
05/12/2010CN1901760B Acoustic field measuring device and acoustic field measuring method
05/12/2010CN1805290B Method and apparatus for encoding and decoding multi-channel signals
05/12/2010CN1708186B Method for processing audio signals from two input sound channels and creating a plurality of output sound channels
05/12/2010CN1666570B A stereo signal processing apparatus
05/06/2010WO2009111798A3 Methods and devices for reproducing surround audio signals via headphones
05/06/2010DE102009034264A1 Vorrichtung zum Verarbeiten eines Tonsignals und Verfahren zum Verarbeiten eines Tonsignals An apparatus for processing an audio signal and method of processing an audio signal
05/05/2010EP2182743A2 Delay time calculation apparatus and method
05/05/2010CN1756086B Multichannel audio data encoding/decoding method and apparatus
05/05/2010CN1728892B Sound-field correcting apparatus and method therefor
04/2010
04/28/2010CN1701635B Bass management systems
04/27/2010US7706555 Stereophonic device for headphones and audio signal processing program
04/27/2010US7706544 Audio reproduction system and method for reproducing an audio signal
04/25/2010CA2739651A1 Binaural rendering of a multi-channel audio signal
04/21/2010EP2178308A2 Audio signal processing device and audio signal processing method
04/21/2010EP2177057A1 Sound reproduction systems
04/21/2010CN1781338B Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
04/15/2010WO2010040456A1 Binaural rendering of a multi-channel audio signal
04/14/2010EP2175671A2 Method, device, encoder apparatus, decoder apparatus and audio system
04/14/2010EP2175670A1 Binaural rendering of a multi-channel audio signal
04/14/2010EP1829423B1 Reproduction of low frequency effects in sound reproduction systems
04/14/2010EP1603117B1 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
04/14/2010CN101695151A Method and equipment for converting multi-channel audio signals into dual-channel audio signals
04/14/2010CN101695150A Coding method, coder, decoding method and decoder for multi-channel audio
04/13/2010US7697695 Stereophonic sound reproducing system and stereophonic sound reproducing apparatus
04/08/2010WO2010039646A1 Decorrelator for upmixing systems
04/08/2010WO2010038318A1 Decoding apparatus, decoding method, encoding apparatus, encoding method, and editing apparatus
04/08/2010WO2010038075A2 Apparatus and method for sound reproduction
04/08/2010WO2010012478A3 Signal generation for binaural signals
04/08/2010CA2757972A1 Decoding apparatus, decoding method, encoding apparatus, encoding method, and editing apparatus
04/07/2010EP2172058A1 System and method for directionally radiating sound
04/07/2010CN1953526B A display device and the AV playing system using the same
04/06/2010US7693721 Hybrid multi-channel/cue coding/decoding of audio signals
04/01/2010US20100080401 Vehicle Audio System Surround Modes
03/2010
03/31/2010EP2168121A1 Quantification after linear conversion combining audio signals of a sound scene, and related encoder
03/31/2010CN101690270A Enhancing audio with remixing capability
03/31/2010CN101690149A Methods and arrangements for group sound telecommunication
03/30/2010US7688989 Method and system for processing sound signals for a surround left channel and a surround right channel
03/25/2010WO2010011377A3 Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
03/24/2010CN101682814A System and method for directionally radiating sound
03/24/2010CN101681663A A device for and a method of processing audio data
03/24/2010CN101681625A Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components
03/23/2010US7684578 Wave field synthesis apparatus and method of driving an array of loudspeakers
03/23/2010US7684577 Vehicle-mounted stereophonic sound field reproducer
03/18/2010WO2010028784A1 Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
03/17/2010EP2163126A2 Method for the sound processing of a stereophonic signal inside a motor vehicle and motor vehicle implementing said method
03/17/2010EP2162882A1 Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components
03/17/2010EP1854334B1 Device and method for generating an encoded stereo signal of an audio piece or audio data stream
03/17/2010CN101674512A Method and apparatus to create a sound field
03/16/2010US7680288 Apparatus and method for generating, storing, or editing an audio representation of an audio scene
03/11/2010WO2010027882A1 Enhancing the reproduction of multiple audio channels
03/11/2010US20100061574 Audio system and sound field controller
03/11/2010CA2734306A1 Enhancing the reproduction of multiple audio channels
03/09/2010US7676047 Electroacoustical transducing with low frequency augmenting devices
03/04/2010WO2010022633A1 Method and device for generating, playing audio signals, and processing system for audio signals
03/04/2010US20100054484 Sound system and method of sound reproduction
03/04/2010DE102008045397A1 Sports specific sound e.g. audibility of football, representing arrangement for use in stadium, has head pivotable in vertical direction and horizontal plane such that position of ball lies within angular region of direction characteristics
03/03/2010EP2158752A1 Methods and arrangements for group sound telecommunication
03/03/2010EP2158587A1 A method and an apparatus for processing an audio signal
03/02/2010US7672467 Digital mixer capable of monitoring surround signals
02/2010
02/25/2010US20100046761 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
02/24/2010CN101658052A Method and apparatus for enhancement of audio reconstruction
02/23/2010US7668317 Audio post processing in DVD, DTV and other audio visual products
02/18/2010WO2010019750A1 Audio signal transformatting
02/18/2010WO2010018263A1 Method and apparatus for stereo enhancement in audio recordings
02/18/2010WO2010017978A1 An apparatus for determining a converted spatial audio signal
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