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)
12/2001
12/13/2001	WO2001095669A2 A remote control apparatus and a receiver and an audio system
12/11/2001	CA2266324C Multichannel spectral mapping audio apparatus and method
11/2001
11/28/2001	CN1324526A Method and device for developing a virtual speaker distant from the sound source
11/15/2001	WO2001087015A2 Discrete multichannel audio with a backward compatible mix
11/15/2001	US20010041476 Connector, multi-channel audio system, electronic apparatus, and cable for connection
11/15/2001	US20010040969 Sound reproduction method and apparatus for assessing real-world performance of hearing and hearing aids
11/08/2001	US20010038702 Auto-Calibrating Surround System
11/01/2001	WO2001082651A1 Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions
11/01/2001	WO2001082650A2 Self-calibrating surround sound system
11/01/2001	US20010036868 Motion transducer system
11/01/2001	CA2406926A1 Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions
10/2001
10/31/2001	CN1320258A 多信道信号编码和解码 Multichannel signal coding and decoding
10/30/2001	US6311155 Use of voice-to-remaining audio (VRA) in consumer applications
10/18/2001	US20010031062 Headphone system
10/18/2001	US20010031055 Multichannel audio signal processing device
10/17/2001	EP1146775A2 Digital wireless premises audio system and method of operation thereof
10/10/2001	EP0811295B1 A method and device for encoding, transferring and decoding a non-pcm bitstream between a digital versatile disc device and a multi-channel reproduction apparatus
09/2001
09/27/2001	US20010024504 Environmental reverberation processor
09/27/2001	US20010024169 Audio-decoder apparatus using a common circuit substrate for a plurality of channel models
09/26/2001	EP1135969A1 Digital wireless loudspeaker system
09/20/2001	US20010022841 Sound system
09/19/2001	EP1134724A2 Real time audio spatialisation system with high level control
09/19/2001	EP0864146A4 Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
09/18/2001	US6292570 Surround sound
09/12/2001	CN1312602A Connector, multi-path audio-frequency system, electronic apparatus and cable for connection
09/11/2001	CA2331611C Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
09/07/2001	WO2001065888A2 A system for accommodating primary and secondary audio signal
09/07/2001	CA2401798A1 A system for accommodating primary and secondary audio signal
09/05/2001	CN1311622A Head ear-phone system
08/2001
08/30/2001	US20010017921 Sound field correcting method in audio system
08/30/2001	US20010017482 Motion transducer efficient for small amplitude movements
08/29/2001	EP1127476A1 Point source speaker system
08/23/2001	WO2001062045A1 Multi-channel sound reproduction system for stereophonic signals
08/23/2001	WO2001062042A1 Virtual audio environment
08/23/2001	US20010016046 Automatic sound field correcting system and a sound field correcting method
08/23/2001	US20010016045 Method of correcting sound field in an audio system
08/22/2001	EP1126746A2 Automatic sound field correcting system and a sound field correcting method
08/22/2001	EP1126745A2 Sound field correcting method in audio system
08/22/2001	EP1126743A2 Method of correcting sound field in an audio system
08/16/2001	WO2001060118A1 Audio center channel phantomizer
08/16/2001	US20010014159 Audio reproducing apparatus
08/15/2001	CN1308804A Transcoders for fixed and variable rate data streams
08/14/2001	US6275589 Method and apparatus for error masking in multi-channel audio signals
08/09/2001	WO2001058209A1 Microphone arrays for high resolution sound field recording
08/09/2001	WO2001058064A1 Use of voice-to-remaining audio (vra) in consumer applications
08/09/2001	US20010012367 Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method
08/09/2001	CA2399495A1 Use of voice-to-remaining audio (vra) in consumer applications
08/08/2001	EP1122980A1 Vehicle-mounted acoustic system
08/08/2001	EP1122978A2 Multi-channel headphone system
08/08/2001	EP1121768A1 Method and device for developing a virtual speaker distant from the sound source
08/02/2001	WO2001055833A1 Spatialized audio system for use in a geographical environment
08/01/2001	EP1120013A2 Integrated audio mixer
07/2001
07/26/2001	US20010009540 Portable information processing apparatus with a plurality of speakers
07/25/2001	CN1305272A Wireless sound system
07/18/2001	EP1116223A1 Multi-channel signal encoding and decoding
07/10/2001	US6259795 Methods and apparatus for processing spatialized audio
07/05/2001	WO2001049073A2 Multichannel audio signal processing device
07/05/2001	WO2001049066A2 Headphones with integrated microphones
07/05/2001	US20010006553 Transmitting method and apparatus
07/04/2001	CN1302172A Sound image positioner
06/2001
06/28/2001	WO2001047319A2 Method and arrangement for recording and playing back sounds
06/28/2001	US20010005824 Sound image localization apparatus
06/27/2001	EP1111961A2 Sound image localization apparatus
06/26/2001	US6252965 Multichannel spectral mapping audio apparatus and method
06/20/2001	CN1300518A In-home theater surround sound speaker system
06/07/2001	WO2001041505A1 Method and apparatus for deriving at least one audio signal from two or more input audio signals
06/07/2001	WO2001041504A1 Method for deriving at least three audio signals from two input audio signals
06/07/2001	DE10059538A1 Audio player for 5 channel DVD combines channels for headphones reduces loss of sound information
06/07/2001	CA2392602A1 Method and apparatus for deriving at least one audio signal from two or more input audio signals
05/2001
05/31/2001	DE19958105A1 Mehrkanaliges Tonbearbeitungssystem Multichannel Tonbearbeitungssystem
05/29/2001	US6240189 Generating a common bass signal
05/22/2001	US6236730 Full sound enhancement using multi-input sound signals
05/16/2001	CN1295778A Low bit-rate spatial coding method and system
05/15/2001	CA2250810C Six-axis surround sound processor with improved matrix and cancellation control
05/10/2001	WO2001033907A2 Multichannel sound editing system
05/10/2001	WO2001033905A2 System and method for providing interactive audio in a multi-channel audio environment
05/09/2001	EP1097572A1 Home entertainment system audio handling
05/09/2001	CN1294782A Audio signal processing method and appts.
05/08/2001	US6229899 Method and device for developing a virtual speaker distant from the sound source
05/03/2001	DE19961862A1 Acquiring and reproducing sound involves using at least a 2+2+2 stereo acquisition and reproduction technique over suitable number of channels to generate natural, realistic sound image
05/02/2001	EP1095488A1 Transcoders for fixed and variable rate data streams
05/02/2001	EP0903057A4 Method and apparatus for providing sound in a spatial environment
04/2001
04/24/2001	US6222930 Method of reproducing sound
04/17/2001	CA2077662C Encoder/decoder for multidimensional sound fields
04/12/2001	WO2001026220A1 Recording and playback control system
04/12/2001	CA2386625A1 Recording and playback control system
03/2001
03/14/2001	CN1287767A Surround-sound processing system
03/08/2001	WO2000076272A8 Digital wireless loudspeaker system
03/08/2001	WO2000060746A3 Matrixing for losseless encoding and decoding of multichannels audio signals
03/08/2001	WO2000019415A3 Method and apparatus for three-dimensional audio display
03/06/2001	US6198827 5-2-5 Matrix system
03/06/2001	US6198826 Qsound surround synthesis from stereo
02/2001
02/27/2001	US6195435 Method and system for channel balancing and room tuning for a multichannel audio surround sound speaker system
02/27/2001	CA2077668C Decoder for variable-number of channel presentation of multidimensional sound fields
02/21/2001	EP1077016A1 Matrix-encoded surround-sound channels in a discrete digital sound format
02/21/2001	CN2420807Y Omnibearing radiation digit cinema loudspeaker box
02/14/2001	CN1284195A Surround signal processing appts and method
02/13/2001	US6188769 Environmental reverberation processor
01/2001
01/31/2001	EP1072089A1 Audio signal processing method and apparatus
01/24/2001	EP1070438A1 Low bit-rate spatial coding method and system

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