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)
01/2005
01/04/2005	US6839676 Audio-decoder apparatus using a common circuit substrate for a plurality of channel models
01/04/2005	US6839438 Positional audio rendering
12/2004
12/30/2004	US20040264717 Audio reproduction apparatus
12/29/2004	WO2004114725A1 Wave field synthesis device and method for driving an array of loudspeakers
12/29/2004	WO2004054320A3 Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
12/29/2004	EP1492110A2 Recording & playback of multi-channel digital audio having different resolutions for different channels
12/29/2004	CA2530626A1 Wave field synthesis apparatus and method for driving an array of loudspeakers
12/23/2004	WO2004112281A1 System and method for receiving and processing gps and wireless signals
12/23/2004	US20040258259 Acoustic apparatus and acoustic setting method
12/23/2004	US20040258247 Pseudo multi-channel play-back apparatus
12/22/2004	EP1489886A2 Acoustic apparatus and acoustic setting method
12/22/2004	CN1557111A Method and apparatus for multichannel logic matrix decoding
12/16/2004	WO2004109910A1 Kansei mastering device
12/16/2004	US20040252851 DVD audio encoding using environmental audio tracks
12/16/2004	US20040252849 Microphone array for preserving soundfield perceptual cues
12/15/2004	EP1486097A2 User controlled multi-channel audio conversion system
12/14/2004	US6831911 System and method for receiving and processing GPS and wireless signals
12/09/2004	WO2004107812A1 Array speaker system
12/09/2004	WO2004107811A1 Array speaker system
12/09/2004	WO2004107807A1 Array speaker system
12/09/2004	US20040249490 Multichannel audio system, and head unit and slave unit used for the same
12/09/2004	US20040247144 Sound reproduction systems
12/09/2004	US20040247140 Parametric virtual speaker and surround-sound system
12/09/2004	US20040247135 Method and apparatus for multichannel logic matrix decoding
12/09/2004	US20040247134 System and method for compatible 2D/3D (full sphere with height) surround sound reproduction
12/09/2004	DE10321986A1 Vorrichtung zum Pegel-korrigieren in einem Wellenfeldsynthesesystem Apparatus for level-correct in a wave field synthesis system
12/09/2004	DE10321980A1 Vorrichtung und Verfahren zum Berechnen eines diskreten Werts einer Komponente in einem Lautsprechersignal Device and method for calculating a discrete value of a component in a loudspeaker signal
12/07/2004	US6829361 Headphones with integrated microphones
12/07/2004	US6829018 Three-dimensional sound creation assisted by visual information
12/07/2004	US6829017 Specifying a point of origin of a sound for audio effects using displayed visual information from a motion picture
12/01/2004	CN1552171A Audio reproducing device
11/2004
11/30/2004	US6826282 Music spatialisation system and method
11/25/2004	WO2004103025A1 Loudspeaker system for virtual sound synthesis
11/25/2004	WO2004103024A1 Device for correcting the level in a wave field synthesis system
11/25/2004	WO2004103022A2 Device and method for calculating a discrete value of a component in a loudspeaker signal
11/25/2004	US20040236583 Audio signal processing apparatus
11/25/2004	US20040234088 Wired, wireless, infrared, and powerline audio entertainment systems
11/25/2004	US20040231911 Outdoor loudspeaker with passive radiator
11/24/2004	EP1479266A2 Method and device for control of a unit for reproduction of an acoustic field
11/24/2004	EP0968625B1 Audiochannel mixing
11/23/2004	US6822996 Mount having high mechanical stiffness and tunable external cavity laser assembly including same
11/23/2004	CA2388097C Signal processing apparatus, signal processing method, program and recording medium
11/23/2004	CA2280907C Multichannel television sound stereo and surround sound encoder
11/18/2004	WO2004100604A1 Reciprocal index lookup for btsc compatible coefficients
11/18/2004	WO2004100603A1 Array speaker system
11/18/2004	US20040228498 Sound field controller
11/18/2004	DE10254404B4 Audiowiedergabesystem und Verfahren zum Wiedergeben eines Audiosignals The audio reproduction system and method for reproducing an audio signal
11/18/2004	DE10248754B4 Verfahren zum Vortäuschen einer Bewegung mittels einer akustischen Wiedergabeeinrichtung und Schallwiedergabeanordnung dafür Method for faking motion by means of an acoustic reproduction equipment and sound reproduction device for
11/17/2004	EP1477043A2 Compact surround-sound system
11/17/2004	EP1224734A4 Recording and playback control system
11/11/2004	US20040225388 Fully digitized audio system
11/11/2004	US20040223620 Loudspeaker system for virtual sound synthesis
11/10/2004	EP1127476A4 Point source speaker system
11/04/2004	WO2004095693A1 Ambient sound audio system
11/04/2004	US20040220806 Audio signal processing apparatus
11/04/2004	US20040218775 Headphones with a multichannel guiding mechanism
11/04/2004	US20040218767 Surround sound methods and apparatus for improving auditory processing and increasing spatial awareness
11/04/2004	US20040218764 Point source speaker system
11/03/2004	EP1473971A2 Sound field controller
11/03/2004	EP1472905A2 Multichannel echo canceller system using active audio matrix coefficients
11/03/2004	CN1174658C Fully digitalized sound system
10/2004
10/28/2004	WO2004093495A1 Audio signal synthesis
10/28/2004	WO2004093488A2 Directional speakers
10/28/2004	US20040213411 Audio data processing device, audio data processing method, its program and recording medium storing the program
10/27/2004	EP1471772A2 Device and method for processing audio data, corresponding program and recording medium storing the program
10/27/2004	EP1471771A2 Audio reproduction apparatus and video receiving apparatus
10/27/2004	EP1470735A2 Method for determining an acoustic environment situation, application of the method and hearing aid
10/27/2004	EP1470437A2 Acoustic logging tool having programmable source waveforms
10/27/2004	EP0875126B1 Surround sound processor with improved control voltage generator
10/27/2004	CN1541501A Method for appts. for audio matrix decoding
10/27/2004	CN1541500A System for generating sounds
10/21/2004	WO1999012386A9 5-2-5 matrix encoder and decoder system
10/21/2004	US20040209654 Directional speaker for portable electronic device
10/21/2004	US20040208333 Directional hearing enhancement systems
10/21/2004	US20040208325 Method and apparatus for wireless audio delivery
10/21/2004	US20040208324 Method and apparatus for localized delivery of audio sound for enhanced privacy
10/20/2004	EP1095488B1 Transcoders for fixed and variable rate data streams
10/14/2004	WO2004089036A2 Outdoor loudspeaker with passive radiator
10/14/2004	WO2004019656A3 Audio channel spatial translation
10/14/2004	US20040202332 Sound-field setting system
10/14/2004	CA2520179A1 Outdoor loudspeaker with passive radiator
10/13/2004	EP0864146B1 Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
10/13/2004	CN1171503C Multi-channel audio enhancement system for use in recording and playback and method for providing same
10/12/2004	US6804565 Data-driven software architecture for digital sound processing and equalization
10/12/2004	US6804361 Sound signal playback machine and method thereof
10/07/2004	US20040196982 Directional electroacoustical transducing
09/2004
09/30/2004	WO2004084584A1 A multi-channel speaker system and a connection system thereof
09/30/2004	WO2004084185A1 Processing of multi-channel signals
09/30/2004	US20040190727 Ambient sound audio system
09/29/2004	EP1463379A2 Sound-field setting system
09/29/2004	CN1532810A Audio frequency decoding device
09/23/2004	WO2003073791A8 Method and device for control of a unit for reproduction of an acoustic field
09/23/2004	US20040184617 Information apparatus, system for controlling acoustic equipment and method of controlling acoustic equipment
09/22/2004	EP0963682B1 Six-axis surround sound processor with improved matrix and cancellation control
09/22/2004	CN1531372A Wireless acoustic system for providing phonetic and data multiple converting transmission
09/21/2004	CA2142092C Adaptive rematrixing of matrixed audio signals
09/16/2004	WO2004080124A1 Method for the treatment of compressed sound data for spatialization
09/16/2004	WO2004040939A3 Method for simulating a movement by means of an acoustic reproduction device, and sound reproduction arrangement therefor
09/16/2004	US20040179699 Networked sound masking system with centralized sound masking generation
09/16/2004	US20040179693 Crosstalk canceler

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