Patents
Sitemap › H04 - Electric communication technique › H04S - Stereophonic systems › H04S 5 - Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
Patents for H04S 5 - Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation (2,758)
11/2003
11/13/2003WO2003094576A1 Transmission characteristic measuring device, transmission characteristic measuring method, and amplifier
11/13/2003WO2003094396A2 Discrete surround audio system for home and automotive listening
11/13/2003WO2003094369A2 Multi-channel downmixing device
11/13/2003WO2003093775A2 Sound detection and localization system
11/13/2003US20030210795 Surround headphone output signal generator
11/13/2003US20030210794 Matrix surround decoding system
11/13/2003US20030210793 External input audio processor
11/13/2003CA2773294A1 Sound detection and localization system
11/11/2003US6646800 Visual and audio system for theaters
11/06/2003US20030206639 Discrete surround audio system for home and automotive listening
10/2003
10/30/2003WO2003090206A1 Signal synthesizing
10/30/2003WO2003089100A1 Method and apparatus for data receiver and controller
10/30/2003US20030202667 Method of creating reverberation by estimation of impulse response
10/29/2003EP1357536A2 Creating reverberation by estimation of impulse response
10/29/2003CN1126431C Mono stereo conversion device, audio reproduction system using such device and mono stereo conversion method
10/28/2003US6640045 System of sharing objects having a plurality of contents
10/23/2003WO2003028407A3 Method and apparatus for multichannel logic matrix decoding
10/23/2003US20030198339 Enhanced sound processing system for use with sound radiators
10/22/2003EP1355513A2 Enhanced Sound Processing System For Use With Sound Radiators
10/22/2003EP1354495A2 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
10/22/2003CN1451255A Discrete multichannel audio with a backward compatible mix
10/21/2003US6636608 Pseudo-stereo circuit
10/19/2003CA2424157A1 Enhanced sound processing system for use with sound radiators
10/09/2003WO2002026000A3 A method of synthesising an approximate impulse response function
10/01/2003CN1445749A Effect adminitering equipment for controlling two-dimension voice image positioning
10/01/2003CN1123219C Television set comprising loudspeaders and decoder with surround sound audio signals
09/2003
09/25/2003WO2003079724A1 Sound image localization signal processing apparatus and sound image localization signal processing method
09/24/2003EP1347668A2 Effect imparting apparatus for controlling two-dimensional sound image localization
09/24/2003CN1122253C Surround stereo signal processing appts and method
09/23/2003US6624873 Matrix-encoded surround-sound channels in a discrete digital sound format
09/18/2003WO2002049211A3 Dynamic allocation of power supplied by a power supply and frequency agile spectral filtering of signals
09/18/2003US20030174845 Effect imparting apparatus for controlling two-dimensional sound image localization
09/12/2003WO2003075610A1 Acoustic signal transducing device and method
09/12/2003WO2003075609A2 User controlled multi-channel audio conversion system
09/10/2003CN1442029A Stereo audio processing device for deriving auxiliary audio signals such as direction and centre audio signals
09/04/2003WO2003073791A2 Method and device for control of a unit for reproduction of an acoustic field
09/04/2003US20030164085 Surround sound system
09/04/2003CA2477450A1 Method and device for control of a unit for reproduction of an acoustic field
09/03/2003CN1440629A System and method for optimization of three-dimensional audio
08/2003
08/28/2003WO2003071827A2 Compact surround-sound system
08/20/2003EP1336323A2 Wave field synthesys sound reproduction system using a distributed mode panel
08/14/2003WO2002043437A8 Wave field synthesys sound reproduction system using a distributed mode panel
08/14/2003WO2002032186A3 Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
08/07/2003US20030147543 Audio amplifier unit
08/06/2003EP1332644A1 Portable multi-channel amplifier
08/06/2003CN1435074A Method and arrangement for recording and playing back sounds
08/06/2003CN1117370C System of sharing objects having plurality of contents
08/05/2003US6603859 Speaker with drive mechanism
07/2003
07/30/2003CN1116785C Multichannel active matrix sound reproduction with maximum lateral separation
07/30/2003CN1116784C Method and device for projecting sound sources onto loudspeakers
07/24/2003WO2003061344A2 Multichannel echo canceller system using active audio matrix coefficients
07/24/2003US20030138106 Method and arrangement for recording and playing back sounds
07/10/2003US20030126975 Electronic musical instrument
07/08/2003US6590983 Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input
07/01/2003US6587565 System for improving a spatial effect of stereo sound or encoded sound
06/2003
06/26/2003WO2003053099A1 Method for improving spatial perception in virtual surround
06/26/2003CA2467938A1 Method for improving spatial perception in virtual surround
06/25/2003EP1320927A2 Power amplification for parametric loudspeakers
06/25/2003CN1426669A 多通道音频转换器 Multi-channel audio converter
06/24/2003US6584202 Method and device for reproducing a stereophonic audiosignal
06/10/2003US6577738 Parametric virtual speaker and surround-sound system
06/10/2003US6577736 Method of synthesizing a three dimensional sound-field
06/04/2003CN1422467A Use of voice-to-remaining audio (VRA) in consumer applications
05/2003
05/21/2003EP1312242A2 Discrete multichannel audio with a backward compatible mix
05/14/2003EP1310139A2 Stereo audio processing device
05/08/2003US20030086580 Digital mixer and digital mixing method
05/07/2003EP1013140A4 5-2-5 matrix encoder and decoder system
05/07/2003EP0963682A4 Six-axis surround sound processor with improved matrix and cancellation control
05/07/2003EP0875126A4 Surround sound processor with improved control voltage generator
05/02/2003EP1306993A2 Digital mixing method and aparatus
04/2003
04/30/2003CN1414817A Digital sound mixing apparatus
04/24/2003WO2002015641A3 Surround sound system
04/24/2003US20030076972 Sound field correction circuit
04/24/2003US20030076966 Digital mixer capable of monitoring surround signals
04/23/2003EP1013141B1 Method and device for reproducing a stereophonic audiosignal
04/23/2003CN1106209C Electronic gaming device capable of generating pseudo-stereophonic sound
04/17/2003US20030070537 Musical tone generation control system, musical tone generation control method, and program for implementing the method
04/16/2003CN1411679A System and method for providing interactive audio in multi-channel audio environment
04/10/2003WO2003030588A2 Method and device for selecting a sound algorithm
04/10/2003WO2002078395A3 Method of reproducing multichannel sound using real and virtual speakers
04/03/2003WO2003028407A2 Method and apparatus for multichannel logic matrix decoding
04/03/2003US20030065513 Voice input and output apparatus
04/03/2003CA2460010A1 Method and apparatus for multichannel logic matrix decoding
04/02/2003EP1298960A2 Digital acoustic reproducing apparatus, acoustic apparatus and accoustic reproducing system
04/02/2003CN1407729A Receiver, method, program and transfer signals adapted to volume of call signal
04/02/2003CN1407392A Audiovisual system in theatre
03/2003
03/27/2003WO2003026350A2 Audio distributor
03/27/2003US20030059055 Receiver, method, program and transport signal for adapting the sound volume of an acoustic signal of an incoming call
03/26/2003EP1295511A2 Multi-channel stereo converter for deriving a stereo surround and/or audio centre signal
03/26/2003CN1406100A Voice-frequency signal processing
03/20/2003US20030055517 Digital acoustic reproducing apparatus, acoustic apparatus and acoustic reproducing system
03/20/2003US20030053680 Three-dimensional sound creation assisted by visual information
03/20/2003US20030053637 Audio distributor
03/12/2003CN1402120A Method for implementing virtual multiple sound channel by spectrum analysis
03/11/2003US6532335 System of sharing objects having a plurality of contents
03/06/2003US20030043051 Remote control apparatus and a receiver and an audio system
02/2003
02/27/2003WO2002009474A3 Stereo audio processing device
02/27/2003WO2001087015A3 Discrete multichannel audio with a backward compatible mix
02/27/2003US20030040822 Sound processing system using distortion limiting techniques
02/27/2003US20030039366 Sound processing system using spatial imaging techniques
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