| Patents for H04S 1 - Two-channel systems (4,182) |
|---|
| 01/09/2003 | WO2002090902A3 Method of interacting with the acoustical modal structure of a room |
| 01/08/2003 | EP1274279A1 Sound image localization signal processor |
| 01/08/2003 | CN1389865A Device and method for reproducing information |
| 01/07/2003 | US6504934 Apparatus and method for localizing sound image |
| 01/07/2003 | US6504933 Three-dimensional sound system and method using head related transfer function |
| 01/03/2003 | WO2003001848A2 Device for playing back audio signals and method for modifying filter data |
| 01/03/2003 | WO2002071797A3 A method and system for simulating a 3d sound environment |
| 01/02/2003 | US20030004588 Method for processing and reproducing audio signal at desired sound quality, reduced data volume or adjusted output level, apparatus for processing audio signal with sound quality control information or test tone signal or at reduced data volume, recording medium for recording audio signal with sound quality control information or test tone signal or at reduced data volume, and apparatus for reproducing audio signal at desired sound quality, reduced data volume or adjusted output level |
| 01/02/2003 | US20030002684 Sub-harmonic generator and stereo expansion processor |
| 01/02/2003 | EP1271307A1 Compatible entertainment device and computer system |
| 12/31/2002 | US6501843 Automotive audio reproducing apparatus |
| 12/31/2002 | US6501717 Apparatus and method for processing digital audio signals of plural channels to derive combined signals with overflow prevented |
| 12/27/2002 | WO2002104070A1 Device for monitoring musical performances and/or audio signals from video games or similar |
| 12/27/2002 | CA2455390A1 Device for monitoring musical performances and/or audio signals from video games or similar |
| 12/26/2002 | US20020196947 System and method for localization of sounds in three-dimensional space |
| 12/25/2002 | CN2528179Y Heat dissipating machine |
| 12/25/2002 | CN1097417C Acoustic correction apapratus |
| 12/24/2002 | US6498857 Method of synthesizing an audio signal |
| 12/24/2002 | US6498856 Vehicle-carried sound reproduction apparatus |
| 12/24/2002 | US6498852 Automatic LFE audio signal derivation system |
| 12/19/2002 | WO2002007481A3 Multi-channel stereo converter for deriving a stereo surround and/or audio centre signal |
| 12/19/2002 | US20020191804 Apparatus and method for adaptive signal characterization and noise reduction in hearing aids and other audio devices |
| 12/18/2002 | EP1266541A2 System and method for optimization of three-dimensional audio |
| 12/18/2002 | EP1266538A1 Spatial sound steering system |
| 12/17/2002 | US6496584 Multi-channel stereo converter for deriving a stereo surround and/or audio center signal |
| 12/12/2002 | WO2002100128A1 Center channel enhancement of virtual sound images |
| 12/05/2002 | WO2002098172A2 Method of generating a left modified and a right modified audio signal for a stereo system |
| 12/05/2002 | WO2002098170A1 Vehicle-mounted stereophonic sound field reproducer |
| 12/05/2002 | US20020181711 Music similarity function based on signal analysis |
| 12/05/2002 | US20020181339 Information reproduction apparatus and information reproduction |
| 12/04/2002 | EP1262969A2 Information reproduction apparatus and information reproduction method |
| 12/04/2002 | EP0965246B1 Stereo sound expander |
| 11/28/2002 | WO2002085068A9 Sound processing |
| 11/28/2002 | WO2002005593A3 Method for the transmission of audio signals |
| 11/28/2002 | US20020177915 Audio amplifier circuit with digital audio interface and codec device using the same |
| 11/27/2002 | CN1381977A Record regeneration device |
| 11/26/2002 | US6487572 Digital filtering method and device and sound image localizing device |
| 11/21/2002 | WO2002093773A1 Parametric virtual speaker and surround-sound system |
| 11/21/2002 | CA2446645A1 Parametric virtual speaker and surround-sound system |
| 11/20/2002 | EP1258169A2 Infrabass |
| 11/19/2002 | US6483428 Removable front panel for an entertainment device |
| 11/14/2002 | WO2002091799A2 System for transitioning from stereo to simulated surround sound |
| 11/14/2002 | WO2002090902A2 Method of interacting with the acoustical modal structure of a room |
| 11/12/2002 | US6479742 Audio system in electronic musical instrument |
| 11/07/2002 | WO2002088993A1 Distributed audio system: capturing , conditioning and delivering |
| 11/07/2002 | US20020164973 Automotive storage and playback device and method for using the same |
| 11/07/2002 | US20020164037 Sound image localization apparatus and method |
| 11/05/2002 | US6477255 Audio system |
| 10/31/2002 | WO2002052896A3 Multi-channel audio converter |
| 10/31/2002 | US20020161808 Digital filtering method and device and sound image localizing device |
| 10/31/2002 | US20020159603 Picked-up-sound reproducing method and apparatus |
| 10/30/2002 | CN1377211A Echo regenerating circuits |
| 10/24/2002 | WO2002085068A2 Sound processing |
| 10/24/2002 | WO2002085067A1 Method and circuit for headset listening of an audio recording |
| 10/24/2002 | US20020156633 Facilitation of speech recognition in user interface |
| 10/24/2002 | US20020154783 Sound system and method of sound reproduction |
| 10/24/2002 | US20020154179 Distinguishing real-world sounds from audio user interface sounds |
| 10/24/2002 | US20020154041 Coding device and method, decoding device and method, and recording medium |
| 10/23/2002 | EP1251717A1 Method and circuit for headphone listening of audio recording |
| 10/23/2002 | CN1376013A Audio-frequency circular sound power management switchover |
| 10/22/2002 | US6470087 Device for reproducing multi-channel audio by using two speakers and method therefor |
| 10/17/2002 | US20020152476 Audio/video programming and charging system and method |
| 10/17/2002 | US20020151997 Audio user interface with mutable synthesised sound sources |
| 10/17/2002 | US20020151996 Audio user interface with audio cursor |
| 10/17/2002 | US20020151995 Distributed audio system for the capture, conditioning and delivery of sound |
| 10/17/2002 | US20020151324 Apparatus for recording and reproducing audio data |
| 10/17/2002 | US20020150257 Audio user interface with cylindrical audio field organisation |
| 10/17/2002 | US20020150254 Audio user interface with selective audio field expansion |
| 10/17/2002 | US20020150219 Distributed audio system for the capture, conditioning and delivery of sound |
| 10/17/2002 | US20020149704 Remote control method and apparatus, remote controller, and apparatus and system based on such remote control |
| 10/16/2002 | CN2517212Y Improved device for sound equipment |
| 10/15/2002 | US6466913 Method of determining a sound localization filter and a sound localization control system incorporating the filter |
| 10/15/2002 | US6466674 Method and apparatus for eliminating audio feedback |
| 10/10/2002 | US20020147936 Adaptable transducer interface |
| 10/10/2002 | US20020147586 Audio annoucements with range indications |
| 10/10/2002 | US20020146133 Portable multimedia reproducing apparatus |
| 10/03/2002 | WO2002078388A2 Method and apparatus to create a sound field |
| 10/03/2002 | WO2001091314A3 Method and means for receiving a digital transmission comprising a plurality of digital audio signals and for simultaneous reproduction of these signals as analog audio programmes |
| 10/03/2002 | US20020143414 Facilitation of clear presentation in audio user interface |
| 10/03/2002 | US20020143413 Audio generation system manager |
| 10/03/2002 | US20020141597 Audio user interface with selectively-mutable synthesised sound sources |
| 10/03/2002 | US20020141596 Method of and apparatus for decoding audio data |
| 10/02/2002 | EP1245132A2 Portable audio devices |
| 10/02/2002 | CN2514609Y Horn assembling structure |
| 10/02/2002 | CN2514608Y Surrounding sound system capable of automatically investigating and setting multi-sound tracks |
| 10/01/2002 | US6459797 Audio mixer |
| 09/26/2002 | WO2002076148A2 Apparatus and method for adaptive signal characterization and noise reduction in hearing aids and other audio devices |
| 09/26/2002 | US20020136412 Surround reproducing circuit |
| 09/25/2002 | EP0870369A4 Enhanced concert audio process utilizing a synchronized headgear system |
| 09/19/2002 | WO2002074013A2 A method of modifying low frequency components of a digital audio signal |
| 09/19/2002 | WO2002073435A1 Sound direction system |
| 09/19/2002 | US20020133249 Dynamic audio buffer creation |
| 09/19/2002 | US20020133248 Audio buffer configuration |
| 09/19/2002 | US20020131611 `Audio surround sound power management switching |
| 09/19/2002 | US20020131605 Volume stability control for partitioned audio system |
| 09/18/2002 | EP1241922A2 Audio surround sound power management switching |
| 09/12/2002 | WO2002071797A2 A method and system for simulating a 3d sound environment |
| 09/12/2002 | WO2002007308A3 Infrabass |
| 09/12/2002 | US20020129151 System and method for enhanced streaming audio |
| 09/12/2002 | US20020128739 Method for processing and reproducing audio signal at desired sound quality, reduced data volume or adjusted output level, apparatus for processing audio signal with sound quality control information or test tone signal or at reduced data volume, recording medium for recording audio signal with sound quality control information or test tone signal or at reduced data volume, and apparatus for reproducing audio signal at desired sound quality, reduced data volume or adjusted output level |