| Patents for H04S 1 - Two-channel systems (4,182) |
|---|
| 10/23/2001 | US6307941 System and method for localization of virtual sound |
| 10/18/2001 | WO2001078451A1 Creating virtual surround using dipole and monopole pressure fields |
| 10/18/2001 | WO2001078450A1 Membrane with embossed surface |
| 10/18/2001 | US20010031062 Headphone system |
| 10/18/2001 | US20010031055 Multichannel audio signal processing device |
| 10/18/2001 | US20010031054 Automatic life audio signal derivation system |
| 10/18/2001 | US20010031053 Binaural signal processing techniques |
| 10/18/2001 | US20010031051 Stereo to enhanced spatialisation in stereo sound HI-FI decoding process method and apparatus |
| 10/17/2001 | EP0963684B1 Method and corresponding system for influencing the stereo channel separation of an audiosignal |
| 10/10/2001 | CN1072827C Digital speech sound reproduction apparatus and digital speech sound edition apparatus |
| 10/04/2001 | WO2001074117A1 Spatial sound steering system |
| 10/04/2001 | DE10114026A1 Audio system for electronic musical instrument, modifies frequency characteristics of music sound automatically depending on the location of instrument |
| 10/04/2001 | DE10014987A1 Playback device for multi-media data files from memory-store in automobile radio, includes processor with device for displaying an index or list of titles for motor vehicle driver to choose from |
| 09/27/2001 | US20010024505 Audio system in electronic musical instrument |
| 09/26/2001 | EP1137319A2 Headrest surround channel electroacoustical transducing |
| 09/18/2001 | US6292570 Surround sound |
| 09/13/2001 | WO2001067814A2 System and method for optimization of three-dimensional audio |
| 09/13/2001 | CA2401986A1 System and method for optimization of three-dimensional audio |
| 09/07/2001 | WO2001065363A1 Compatible entertainment device and computer system |
| 09/05/2001 | CN1311622A Head ear-phone system |
| 09/04/2001 | US6285767 Low-frequency audio enhancement system |
| 09/04/2001 | US6285766 Apparatus for localization of sound image |
| 09/04/2001 | CA2151625C Effect adding system |
| 08/30/2001 | WO2001063968A1 Speaker system for personal computers |
| 08/30/2001 | US20010018621 Multimedia Computer Speaker System with Bridge-Coupled Subwoofer |
| 08/29/2001 | EP1128706A1 Sound adder and sound adding method |
| 08/29/2001 | EP1128360A2 Method for optimizing the acoustic quality of an acoustic signal on the basis of psyscho-acoustic parameters |
| 08/29/2001 | EP1127476A1 Point source speaker system |
| 08/29/2001 | EP1016319B1 Process and device for coding a time-discrete stereo signal |
| 08/29/2001 | EP0707763B1 Reduction of background noise for speech enhancement |
| 08/23/2001 | US20010016080 Multiple description transform coding of images using optimal transforms of arbitrary dimension |
| 08/23/2001 | US20010016079 Multiple description transform coding using optimal transforms of arbitrary dimension |
| 08/21/2001 | US6278784 Intermittent errors in digital disc players |
| 08/16/2001 | WO2000070913A3 Centralizing of a spatially expanded stereophonic audio image |
| 08/16/2001 | US20010014160 Sound field correction circuit |
| 08/15/2001 | CN1308833A Audio signal controller and reproducing device comprising the same |
| 08/15/2001 | CN1308485A Acoustical unit for digital TV set |
| 08/14/2001 | US6275593 Apparatus and methods for the harmonic enhancement of electronic audio signals |
| 08/09/2001 | WO2001057849A1 Information signal processing device, information signal processing method, audio device and receiver |
| 08/09/2001 | US20010013002 Portable type voice reproducer and guide system using the reproducer |
| 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 |
| 08/07/2001 | US6271771 Hearing-adapted quality assessment of audio signals |
| 08/02/2001 | WO2001055833A1 Spatialized audio system for use in a geographical environment |
| 08/01/2001 | EP1120013A2 Integrated audio mixer |
| 07/31/2001 | US6269166 Three-dimensional acoustic processor which uses linear predictive coefficients |
| 07/26/2001 | WO2001054453A1 The generation of customised three dimensional sound effects for individuals |
| 07/25/2001 | EP1119121A2 Method and apparatus for digital radio transmission of audio signals |
| 07/25/2001 | CN1305661A User adjustable volume control that accommodates hearing |
| 07/25/2001 | CN1305335A LAN controlled sound system |
| 07/24/2001 | US6266368 Data compression/expansion on a plurality of digital information signals |
| 07/10/2001 | US6259793 Sound reproduction method, sound reproduction apparatus, sound data creation method, and sound data creation apparatus |
| 07/05/2001 | WO2001049074A2 Audio signal processing device |
| 07/05/2001 | WO2001049073A2 Multichannel audio signal processing device |
| 07/05/2001 | WO2001049071A2 Enhanced stereo system decoding process method and apparatus |
| 07/05/2001 | WO2001049066A2 Headphones with integrated microphones |
| 07/04/2001 | CN1302172A Sound image positioner |
| 07/04/2001 | CN1302063A Method and system for recording and reproducing information data |
| 07/03/2001 | US6256394 Transmission system for correlated signals |
| 06/28/2001 | US20010005824 Sound image localization apparatus |
| 06/28/2001 | DE19959156A1 Verfahren und Vorrichtung zum Verarbeiten eines Stereoaudiosignals Method and device for processing a stereo audio signal |
| 06/27/2001 | EP1111961A2 Sound image localization apparatus |
| 06/27/2001 | EP1110427A2 Low-frequency audio enhancement system |
| 06/26/2001 | US6253185 Multiple description transform coding of audio using optimal transforms of arbitrary dimension |
| 06/21/2001 | WO2000079838A3 Stereophonic signal processing apparatus |
| 06/14/2001 | WO2001043503A2 Method and device for processing a stereo audio signal |
| 06/14/2001 | WO2001043502A2 Method for fixing the hifi position of an audio system |
| 06/14/2001 | US20010003517 Method of and system for recording and reproducing information data |
| 06/13/2001 | EP1107644A2 Method of and system for recording and reproducing information data |
| 06/13/2001 | EP1107491A2 Mobile communication terminal device capable of receiving digital audio broadcast signals |
| 06/13/2001 | EP1107232A2 Joint stereo coding of audio signals |
| 06/13/2001 | DE19959025A1 Verfahren zur Festlegung der HIFI-Position eines Audiosystems A method for determining the position of a hi-fi audio system |
| 06/12/2001 | US6246773 Audio signal processors |
| 06/12/2001 | CA2034287C Acoustic signal reproducing apparatus |
| 06/07/2001 | WO2001041334A1 Method and apparatus for suppressing acoustic background noise in a communication system |
| 06/06/2001 | CN1066902C Signal combine circuit, signal processing circuit, stereophonic circuit reproducing system and video reproducing system |
| 06/05/2001 | US6243476 Method and apparatus for producing binaural audio for a moving listener |
| 05/31/2001 | WO2001039548A1 Two methods and two devices for processing an input audio stereo signal, and an audio stereo signal reproduction system |
| 05/31/2001 | WO2001039547A1 A method of processing and reproducing an audio stereo signal, and an audio stereo signal reproduction system |
| 05/31/2001 | CA2392279A1 Two methods and two devices for processing an input audio stereo signal, and an audio stereo signal reproduction system |
| 05/23/2001 | CN1296722A Band stop filter |
| 05/16/2001 | EP1100208A1 Receiver with multipath interference dependent mono-stereo detector |
| 05/16/2001 | CN1295778A Low bit-rate spatial coding method and system |
| 05/09/2001 | CN1294782A Audio signal processing method and appts. |
| 05/08/2001 | US6230141 Synchronization of a two-channel audio decoder with a multichannel audio decoder |
| 05/08/2001 | US6229899 Method and device for developing a virtual speaker distant from the sound source |
| 05/05/2001 | CA2324817A1 Mobile communication terminal device |
| 05/03/2001 | WO2001031972A1 System and method for adaptive interference canceling |
| 05/02/2001 | CN1065378C Bass enhancement circuit |
| 05/01/2001 | US6224386 Sound field simulation method and sound field simulation apparatus |
| 05/01/2001 | CA2189126C Three-dimensional virtual audio display employing reduced complexity imaging filters |
| 04/24/2001 | US6222927 Binaural signal processing system and method |
| 04/19/2001 | WO2001028222A2 Digital multimedia jukebox |
| 04/12/2001 | WO2001026422A2 Acoustic correction apparatus |
| 04/10/2001 | US6215879 Method for introducing harmonics into an audio stream for improving three dimensional audio positioning |
| 04/10/2001 | CA2162567C Stereophonic reproduction method and apparatus |
| 03/14/2001 | EP1083656A2 Switched signal processing circuit |
| 03/07/2001 | EP1080607A1 Band stop filter |
| 03/07/2001 | CN1286472A Method for recording audio-video contents to learn conversation with spoken language |
| 02/28/2001 | CN1286010A Sound image localizing device |