Patents
Patents for H04S 7 - Indicating arrangements; Control arrangements, e.g. balance control (4,080)
06/1996
06/25/1996US5530760 Apparatus and method for adjusting levels between channels of a sound system
06/04/1996US5524053 Sound field control device
05/1996
05/17/1996WO1996014723A1 Loudspeaker system with controlled directional sensitivity
05/15/1996EP0712264A2 Method and apparatus for multi-channel sound reproduction
05/15/1996DE4440451A1 Direction setting appts. i.e. PanPot or Panorama control e.g. for two-channel stereophony system
05/14/1996US5517570 Sound reproducing array processor system
05/07/1996US5515442 Mono/stereo switching circuit
05/02/1996DE4437287A1 Verfahren zur Messung der Erhaltung stereophoner Audiosignale und Verfahren zur Erkennung gemeinsam codierter stereophoner Audiosignale Method for measuring the conservation of stereophonic audio signals and method for detecting jointly coded stereophonic audio signals
04/1996
04/25/1996WO1996012384A1 Process for measuring the fidelity of stereophonic audio signals and process for recognising stereophonic audio signals coded together
04/23/1996US5511129 Method of conditioning programmable filter apparatus
04/17/1996EP0706745A1 Method for generating three-dimensional sound
04/16/1996US5509078 Circuit for preventing crosstalk
04/03/1996EP0705054A2 Sound reproduction system
03/1996
03/27/1996EP0703719A1 On-board audio system
03/19/1996US5500900 Methods and apparatus for producing directional sound
03/14/1996DE19531779A1 Volume control device for audio signal amplification
03/07/1996WO1996007293A1 Device for controlling the volume of a car radio dependently upon the ambient noise
03/07/1996DE4430931A1 Einrichtung zur fahrgeräuschabhängigen Steuerung der Lautstärke eines Autoradios Means for driving noise dependent volume control of a car radio
03/05/1996US5497206 Circuit for controlling an audio signal output of a television
02/1996
02/28/1996EP0699012A2 Sound image enhancement apparatus
02/27/1996US5495534 Audio signal reproducing apparatus
02/15/1996WO1996004595A1 Operational parameter non-linear regulation process and circuitry
01/1996
01/31/1996EP0695109A1 Device for reproducing video signal and audio signal
01/31/1996EP0694197A1 Improved audio reproduction system
01/23/1996US5487113 Method and apparatus for generating audiospatial effects
01/10/1996EP0691740A2 Radio station memory presets with stored audio effects
01/03/1996EP0689756A1 Plural-channel sound processing
01/02/1996US5481615 Audio reproduction system
12/1995
12/26/1995US5479516 Loudspeaker demonstrating
12/13/1995EP0687130A2 Reverberant characteristic signal generation apparatus
12/13/1995EP0687126A1 Audio-frequency filter and method for determining the filtering function of an audio-frequency filter
11/1995
11/20/1995EP0706745A4 Method for generating three-dimensional sound
11/16/1995DE4426885C1 Verfahren und Schaltungsanordnung zur manuellen Eingabe von Betriebsparametern Method and circuit for manual entry of operating parameters
11/09/1995WO1995030323A1 Process and device for compensating for acoustic distortion
11/09/1995WO1995030322A1 Apparatus and method for adjusting levels between channels of a sound system
10/1995
10/18/1995EP0677235A1 Sound image manipulation apparatus and method for sound image enhancement
10/17/1995US5459790 For providing sound effects to a listener
10/03/1995CA2050027C Automatically configured audio system
09/1995
09/19/1995US5452359 Acoustic signal reproducing apparatus
09/14/1995DE19508368A1 Audio output equaliser and amplifier for personal computer
09/12/1995US5450624 Method and apparatus for diagnosing amp to speaker connections
09/12/1995US5450494 Automatic volume controlling apparatus
08/1995
08/22/1995US5444676 Audio mixer system
08/17/1995WO1995022235A1 Device for reproducing video signal and audio signal
08/09/1995EP0666702A2 Sound image positioning apparatus
08/03/1995WO1995020866A1 Audio reproducing device and headphones
08/03/1995CA2141623A1 Apparatus for cross fading out of the head sound locations
07/1995
07/25/1995US5436975 Apparatus for cross fading out of the head sound locations
07/18/1995US5434923 Acoustic apparatus
07/11/1995US5432855 Stereo and dual audio signal identifying system
07/05/1995EP0661906A1 Headphone device
07/04/1995US5430802 Audio speaker system
06/1995
06/27/1995US5428687 Control voltage generator multiplier and one-shot for integrated surround sound processor
06/20/1995US5426702 System for deriving a center channel signal from an adapted weighted combination of the left and right channels in a stereophonic audio signal
06/20/1995US5426261 Musical tone control waveform signal generating apparatus utilizing waveform data parameters in time-division intervals
06/01/1995WO1995015069A1 Apparatus for processing binaural signals
05/1995
05/18/1995WO1995013690A1 Angle detector and audio playback apparatus using the detector
05/17/1995EP0653897A2 Method and apparatus for generating audiospatial effects
05/13/1995CA2135721A1 Method and apparatus for generating audiospatial effects
05/09/1995US5414774 Circuit and method for controlling an audio system
04/1995
04/26/1995EP0649589A1 Adaptive audio systems and sound reproduction systems
04/18/1995CA2053101C Sound field control device
04/11/1995US5406022 Method and system for producing stereophonic sound by varying the sound image in accordance with tone waveform data
03/1995
03/30/1995WO1995008793A1 Virtual reality network
03/21/1995US5400433 Decoder for variable-number of channel presentation of multidimensional sound fields
03/21/1995US5400411 Volume/balance control apparatus
03/15/1995EP0642719A1 Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels.
03/08/1995EP0642292A2 Device for sonic stereo reproduction
03/01/1995EP0641143A2 Method for simulating spatial and/or sonic impression
01/1995
01/31/1995US5386478 Sound system remote control with acoustic sensor
01/24/1995US5384855 Audio system for vehicular application
01/10/1995US5381482 Sound field controller
01/10/1995US5381381 Far field acoustic radiation reduction
12/1994
12/20/1994US5375188 Music/voice discriminating apparatus
12/06/1994US5371799 Apparatus for processing an input audio signal
11/1994
11/29/1994US5369710 Sound field correcting apparatus and method
11/22/1994US5367506 Sound collecting system and sound reproducing system
11/17/1994EP0624947A2 Acoustic characteristic correction device
11/09/1994EP0624050A2 Audio apparatus
10/1994
10/27/1994WO1994024836A1 Interactive sound placement system and process
10/13/1994WO1994023419A1 Improved audio reproduction system
09/1994
09/29/1994WO1994022278A1 Plural-channel sound processing
09/29/1994DE4310105A1 Stereophonic sound processor
09/29/1994CA2158451A1 Plural-channel sound processing
09/28/1994EP0617405A1 Sound field control device
09/21/1994EP0616312A2 Method and apparatus for providing a virtual world sound system
09/15/1994DE4307490A1 Stereophonic or quadrophonic system
09/14/1994EP0615399A1 Sound field controller
09/13/1994US5347496 Method and system of mapping acoustic near field
09/07/1994CN1091889A Stereophonic manipulation apparatus and method for sound image enhancement
08/1994
08/30/1994US5343531 Audio reproducing apparatus
08/11/1994CA2114487A1 Method and apparatus for providing a virtual world sound system
07/1994
07/27/1994EP0607693A2 Method and apparatus for diagnosing AMP to Speaker Connections
07/26/1994US5333201 Multi dimensional sound circuit
07/21/1994WO1994016538A1 Sound image manipulation apparatus and method for sound image enhancement
07/21/1994CA2153062A1 Sound image manipulation apparatus and method for sound image enhancement
07/20/1994EP0606968A1 Multi-dimensional sound circuit
06/1994
06/29/1994EP0603970A1 Sound reproduction system as well as adjusting circuit to be used in such a system
06/28/1994US5325435 Sound field offset device
06/23/1994DE4243412A1 Switch or regulator for stereo hi=fi preamplifier
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