| Patents for H04S 1 - Two-channel systems (4,182) |
|---|
| 07/09/1996 | US5535281 Analog integrated circuit |
| 07/03/1996 | EP0719483A1 Process for determining the type of coding to be selected for coding at least two signals |
| 07/03/1996 | CN1126020A Stereophonic reproduction method and apparatus |
| 06/18/1996 | US5528694 Audio signal processing arrangement for deriving a centre channel signal and also an audio visual reproduction system comprising such a processing arrangement |
| 06/12/1996 | EP0464217B1 Apparatus for reproducing acoustic signals |
| 06/11/1996 | US5526429 Headphone apparatus having means for detecting gyration of user's head |
| 06/04/1996 | US5524053 Sound field control device |
| 05/28/1996 | US5521982 Electronic device for the generation of acoustic spatial effects |
| 05/28/1996 | US5521981 For playing back sounds with three-dimensional spatial position |
| 05/17/1996 | WO1996014723A1 Loudspeaker system with controlled directional sensitivity |
| 05/14/1996 | US5517570 Sound reproducing array processor system |
| 05/09/1996 | WO1996013962A1 Method and apparatus for efficient presentation of high-quality three-dimensional audio |
| 05/07/1996 | US5515442 Mono/stereo switching circuit |
| 05/02/1996 | DE4437287A1 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 |
| 04/25/1996 | WO1996012384A1 Process for measuring the fidelity of stereophonic audio signals and process for recognising stereophonic audio signals coded together |
| 04/24/1996 | EP0707763A1 Reduction of background noise for speech enhancement |
| 04/24/1996 | CN1121302A Signal combining circuit, signal processing circuit including the signal combining circuit, stereophonic audio reproduction system including the signal processing circuit, and an audio-visual......... |
| 04/17/1996 | EP0706745A1 Method for generating three-dimensional sound |
| 04/16/1996 | US5509079 Back-masking effect generator |
| 04/16/1996 | US5509017 Process for simultaneous transmission of signals from N signal sources |
| 04/11/1996 | WO1996010884A1 A camera and accessory |
| 04/11/1996 | CA2201356A1 A camera and accessory |
| 04/04/1996 | WO1996010290A1 Amplitude demodulator |
| 04/03/1996 | EP0705054A2 Sound reproduction system |
| 04/03/1996 | CN1119902A Method and apparatus for compressing, method for transmitting, and method and apparatus for expanding compressed multi-channel sound signals |
| 03/28/1996 | DE4434451A1 Amplitudendemodulator Amplitude demodulator |
| 03/27/1996 | CN1119376A Apparatus for adaptively encoding input digital audio signals from a plurality of channels |
| 03/20/1996 | CN1119050A Digital speech sound reproduction apparatus and digital speech sound edition apparatus |
| 03/19/1996 | US5500900 Methods and apparatus for producing directional sound |
| 03/19/1996 | US5500622 Audio signal processing circuit |
| 03/12/1996 | US5499300 Stereo and dual audio signal identifying circuit |
| 03/12/1996 | US5498835 Digital signal processing apparatus for applying effects to a musical tone signal |
| 03/05/1996 | US5497206 Circuit for controlling an audio signal output of a television |
| 02/29/1996 | WO1996006515A1 Sound recording and reproduction systems |
| 02/28/1996 | EP0699012A2 Sound image enhancement apparatus |
| 02/28/1996 | EP0698334A1 Stereophonic reproduction method and apparatus |
| 02/27/1996 | US5495534 Audio signal reproducing apparatus |
| 02/27/1996 | CA1338084C Multidimensional stereophonic sound reproduction system |
| 02/13/1996 | US5491773 Encoding system comprising a subband coder for subband coding of a wideband digital signal constituted by first and second signal components |
| 02/13/1996 | US5491754 Method and system for artificial spatialisation of digital audio signals |
| 01/31/1996 | CN1116035A Loudspeaker system |
| 01/31/1996 | CN1115956A Stereophonic sound system and stereophonic circuit |
| 01/23/1996 | US5487113 Method and apparatus for generating audiospatial effects |
| 01/16/1996 | US5485514 Telephone instrument and method for altering audible characteristics |
| 01/10/1996 | EP0691751A1 Method and device for compressing information, method and device for expanding compressed information, device for recording/transmitting compressed information, device for receiving compressed information, and recording medium |
| 01/10/1996 | EP0691684A1 Analog integrated circuit |
| 01/03/1996 | EP0689756A1 Plural-channel sound processing |
| 12/21/1995 | WO1995034883A1 Signal processor and sound reproducing device |
| 12/20/1995 | EP0688018A1 Digital speech sound reproduction apparatus and digital speech sound edition apparatus |
| 12/19/1995 | US5477270 Distance-adaptive microphone for video camera |
| 12/14/1995 | WO1995034186A1 System for producing directional sound in computer-based virtual environments |
| 12/13/1995 | EP0687130A2 Reverberant characteristic signal generation apparatus |
| 12/07/1995 | DE4417993A1 Verfahren zur Übertragung von digitalen Audio-Signalen und Vorrichtung zur Übertragung digitaler Audio-Signale Method for transmitting digital audio signals, and apparatus for transmitting digital audio signals |
| 12/06/1995 | EP0685986A2 Near-field reproduction of binaurally encoded signals |
| 12/06/1995 | EP0349599B2 Paradoxical hearing aid |
| 12/05/1995 | US5473697 Echo generating apparatus |
| 11/30/1995 | WO1995032562A1 Process and device for transmitting digital audio signals |
| 11/29/1995 | EP0684751A1 Sound field and sound image control apparatus and method |
| 11/23/1995 | WO1995031881A1 Three-dimensional virtual audio display employing reduced complexity imaging filters |
| 11/22/1995 | EP0682850A1 Method and apparatus for compressing, method for transmitting, and method and apparatus for expanding compressed multi-channel sound signals, and recording medium for compressed multi-channel sound signals |
| 11/22/1995 | CN1112329A Microphone of video camera |
| 11/21/1995 | US5469511 Method and apparatus for presentation of on-line directional sound |
| 11/21/1995 | US5469508 Audio signal processor |
| 11/20/1995 | EP0706745A4 Method for generating three-dimensional sound |
| 10/18/1995 | EP0677235A1 Sound image manipulation apparatus and method for sound image enhancement |
| 10/03/1995 | US5455866 Adaptive separation control for stereophonic radio receiver |
| 09/27/1995 | EP0674467A1 Audio reproducing device |
| 09/27/1995 | EP0674399A2 Device and method for detecting pilot signal for two-carrier sound multiplexing system |
| 09/19/1995 | US5452360 Sound field control device and method for controlling a sound field |
| 09/19/1995 | US5452359 Acoustic signal reproducing apparatus |
| 09/14/1995 | DE19508368A1 Audio output equaliser and amplifier for personal computer |
| 09/12/1995 | US5450494 Automatic volume controlling apparatus |
| 08/31/1995 | WO1995023493A1 Binaural synthesis, head-related transfer functions, and uses thereof |
| 08/22/1995 | US5444676 Audio mixer system |
| 08/09/1995 | EP0666702A2 Sound image positioning apparatus |
| 08/08/1995 | US5440639 Sound localization control apparatus |
| 08/08/1995 | US5440638 Stereo enhancement system |
| 08/03/1995 | WO1995020866A1 Audio reproducing device and headphones |
| 08/03/1995 | CA2141623A1 Apparatus for cross fading out of the head sound locations |
| 08/01/1995 | US5438623 Multi-channel spatialization system for audio signals |
| 07/27/1995 | DE4400865A1 Optimising stereo reproduction in FM receiver |
| 07/26/1995 | EP0664661A1 Signal combining circuit for stereophonic audio reproduction system using cross feeding |
| 07/26/1995 | EP0664660A2 Audio signal reproducing apparatus |
| 07/25/1995 | US5436975 Apparatus for cross fading out of the head sound locations |
| 07/19/1995 | EP0663740A2 Apparatus for adaptively encoding input digital audio signals from a plurality of channels |
| 07/18/1995 | US5434924 Hearing aid employing adjustment of the intensity and the arrival time of sound by electronic or acoustic, passive devices to improve interaural perceptual balance and binaural processing |
| 07/18/1995 | US5434923 Acoustic apparatus |
| 07/18/1995 | US5434921 Stereo image control circuit |
| 07/05/1995 | EP0661906A1 Headphone device |
| 06/29/1995 | WO1995017799A1 Apparatus for audio signal stereophonic adjustment |
| 06/27/1995 | US5428184 Karaoke circuit for optical disk player |
| 06/20/1995 | US5426702 System for deriving a center channel signal from an adapted weighted combination of the left and right channels in a stereophonic audio signal |
| 06/20/1995 | US5426622 Multi-mode audio imaging control device having unitary control element |
| 06/15/1995 | WO1995016333A1 Method and apparatus for compressing, method for transmitting, and method and apparatus for expanding compressed multi-channel sound signals, and recording medium for compressed multi-channel sound signals |
| 06/01/1995 | WO1995015069A1 Apparatus for processing binaural signals |
| 06/01/1995 | WO1995015032A1 Method and device for compressing information, method and device for expanding compressed information, device for recording/transmitting compressed information, device for receiving compressed information, and recording medium |
| 06/01/1995 | DE4340012A1 Digital stereo signal demodulator with cordic demodulator |
| 05/30/1995 | US5420929 Signal processor for sound image enhancement |
| 05/24/1995 | CN1102920A Circuit for synthesis of voice and limiting frequency belt and circuit for lifting of bass |
| 05/23/1995 | US5418856 Stereo signal generator |