Patents
Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597)
05/2006
05/17/2006CN1774956A Audio signal synthesis
05/17/2006CN1774955A Volume control in movie theaters
05/11/2006WO2006048006A1 System for playing back audio signals
05/11/2006US20060100861 Signal filtering
05/11/2006US20060100809 Transmission characteristic measuring device transmission characteristic measuring method, and amplifier
05/11/2006US20060098830 Wave field synthesis apparatus and method of driving an array of loudspeakers
05/10/2006CN2779724Y A motherboard/function card structure based AV power amplifier
05/04/2006WO2006045373A1 Diffuse sound envelope shaping for binaural cue coding schemes and the like
05/04/2006US20060095269 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
05/04/2006US20060092854 Apparatus and method for calculating a discrete value of a component in a loudspeaker signal
05/04/2006CA2583146A1 Diffuse sound envelope shaping for binaural cue coding schemes and the like
05/03/2006EP1653777A2 Method and circuit to generate reverberation for a sound signal
05/03/2006EP1652406A1 System and method for determining a representation of an acoustic field
05/03/2006EP1652405A2 Device and method for the generation, storage or processing of an audio representation of an audio scene
05/03/2006EP1013018A4 Multichannel spectral mapping audio apparatus and method
05/02/2006US7039204 Equalization for audio mixing
05/02/2006US7039196 Motor vehicle sound system
04/2006
04/27/2006US20060088175 Sound processing system using spatial imaging techniques
04/27/2006US20060088168 Multichannel spectral vector mapping audio apparatus and method
04/26/2006EP1651008A2 Method and apparatus for recording sound, and method and apparatus for reproducing sound
04/26/2006EP1651007A2 Multichannel sound reproduction apparatus and multichannel sound adjustment method
04/26/2006EP1649723A1 Multi-channel synthesizer and method for generating a multi-channel output signal
04/26/2006CN1764330A Method and apparatus for reproducing audio signal
04/26/2006CN1254152C System and method for providing interactive audio in multi-channel audio environment
04/25/2006CA2423893C Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
04/25/2006CA2389311C System and method for providing interactive audio in a multi-channel audio environment
04/25/2006CA2270664C Multi-channel audio enhancement system for use in recording and playback and methods for providing same
04/19/2006EP1648198A2 Method and apparatus for reproducing audio signal
04/19/2006EP1576847B1 Audio playback system and method for playing back an audio signal
04/19/2006EP1525776B1 Device for correcting the level in a wave field synthesis system
04/19/2006CN1761998A Processing of multi-channel signals
04/19/2006CN1761368A Method and apparatus for reproducing audio signal
04/19/2006CN1761303A Method for system for automatic adjusting electrical level outputted from speaker in digital TV system
04/18/2006US7031905 Audio signal processing apparatus
04/12/2006EP1121768A4 Method and device for developing a virtual speaker distant from the sound source
04/12/2006CN1759635A Apparatus and method for producing sound
04/12/2006CN1758338A Efficient and scalable parametric stereo coding for low bitrate audio coding applications
04/12/2006CN1758337A Efficient and scalable parametric stereo coding for low bitrate audio coding applications
04/12/2006CN1758336A Efficient and scalable parametric stereo coding for low bit rate audio coding applications
04/12/2006CN1758335A Efficient and scalable parametric stereo coding for low bit rate audio coding applications
04/12/2006CN1758333A Method of embedding sound field control factor and method of processing sound field
04/11/2006US7027600 Audio signal processing device
04/06/2006WO2006034825A1 Device and method for synchronising additional data and base data
04/06/2006CA2581094A1 Apparatus and method for synchronizing additional data and base data
04/05/2006CN1756086A Multichannel audio data encoding/decoding method and apparatus
04/05/2006CN1250046C Method and apparatus for deriving at least one audio signal from two or more input audio signals
04/05/2006CN1249670C Audio frequency decoding device
03/2006
03/30/2006WO2006033074A1 Multi-channel audio control
03/29/2006EP1641317A2 Storage Medium Storing Stereo Enhancement Processing Program, Stereo Enhancement Apparatus and Stereo Enhancement Method
03/29/2006CN1753577A Method, apparatus, and computer readable medium to reproduce a 2-channel virtual sound
03/29/2006CN1753463A High tone quality digital broadcasting receiving-transmitting system
03/29/2006CN1248544C Multi-channel audio converter and method thereof
03/23/2006WO2006030198A1 Frame array
03/23/2006DE102004043521A1 Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes Apparatus and method for generating a multi-channel signal or a parameter data set
03/23/2006DE102004042819A1 Vorrichtung und Verfahren zum Erzeugen eines codierten Multikanalsignals und Vorrichtung und Verfahren zum Decodieren eines codierten Multikanalsignals Apparatus and method for generating an encoded multi-channel signal, and apparatus and method for decoding an encoded multi-channel signal
03/22/2006EP1637012A1 Wave field synthesis device and method for driving an array of loudspeakers
03/22/2006EP1518443B1 Device and method for determining a reproduction position
03/22/2006CN1751540A Method and device for controlling a reproduction unit using a multi-channel signal
03/22/2006CN1750717A Method of reproducing audio signals and playback apparatus therefor
03/21/2006US7016746 Digital audio signal filtering mechanism and method
03/16/2006WO2006027079A1 Device and method for reconstructing a multichannel audio signal and for generating a parameter data record therefor
03/15/2006EP1635348A2 Embedding sound field control factors
03/15/2006CN2765423Y Cinema system device for bedroom
03/15/2006CN1748442A Multi-channel sound processing systems
03/14/2006US7013013 Surround device
03/09/2006WO2006024850A2 Personalized headphone virtualization
03/09/2006US20060050908 Personalized surround sound headphone system
03/09/2006US20060050897 Audio signal processing method and apparatus device
03/09/2006DE10393380T5 5.1-Tonkanal-Digital-Raumklang-Kopfhörer 5.1 audio channel digital surround sound headphones
03/09/2006CA2578469A1 Personalized headphone virtualization
03/08/2006CN1744770A Reproduction of center channel information in vehicle multi-channel audio system
03/02/2006WO2006023509A1 Method for expanding an audio mix to fill all available output channels
03/02/2006US20060045294 Personalized headphone virtualization
03/02/2006US20060045277 Multichannel spectral mapping audio encoding apparatus and method with dynamically varying mapping coefficients
03/02/2006CA2575040A1 Method for expanding an audio mix to fill all available output channels
03/01/2006EP1631119A1 Array speaker system
03/01/2006EP1631118A1 Array speaker system
03/01/2006EP1631114A1 Array speaker system
03/01/2006EP1629692A2 Multi-channel sound processing systems
02/2006
02/28/2006US7006645 Audio reproduction apparatus
02/23/2006US20060039567 Audio reproducing apparatus
02/23/2006CA2574834A1 Combining audio signals using auditory scene analysis
02/22/2006EP1628505A2 Sound processing system for configuration of audio signals in a vehicle
02/22/2006CN1738491A Sound processing system for configuration of audio signals in a vehicle
02/21/2006US7003467 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
02/17/2006CA2787775A1 Sound processing system for configuration of audio signals in a vehicle
02/17/2006CA2783623A1 Sound processing system for configuration of audio signals in a vehicle
02/15/2006CN1242551C Portable multi-channel amplifier
02/09/2006WO2006014449A1 Audio coding/decoding
02/09/2006US20060029242 System and method for integral transference of acoustical events
02/09/2006US20060029231 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
02/08/2006EP1624718A1 Array speaker system
02/08/2006EP1624448A2 Packet multiplexing multi-channel audio
02/08/2006CN1731896A Video audio integration operation home theater device
02/08/2006CN1731694A Digital audio frequency coding method and device
02/07/2006US6996040 Pseudo multi-channel play-back apparatus
02/02/2006US20060023895 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
02/02/2006US20060023891 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
02/02/2006US20060023888 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
02/02/2006DE202005017798U1 Main microphone for surround recording, has three diaphragms with directional response patterns forming unit relative to one another in defined arrangement, and arranged one above other on axle with distance as small as possible
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