Patents for H04R 5 - Stereophonic arrangements (11,598) |
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08/30/2001 | DE10102194A1 Verfahren zur Festlegung der Ortbarkeit eines per Kopfhörer übertragenen Schallereignisses A method for determining the detectability of a transmitted via headphones sound event |
08/30/2001 | DE10005626A1 Bereitstellung von Mitteln zur Aufnahme von Sprachsignalen und Kommunikationseinrichtung Providing means for receiving voice signals and communication equipment |
08/29/2001 | EP1127476A1 Point source speaker system |
08/29/2001 | CN2445537Y Radio domestic vedio and audio equipment with loudspeaker box |
08/28/2001 | US6282298 Acoustic device |
08/28/2001 | US6282206 Variable bandwidth communication systems and methods |
08/23/2001 | WO2001062054A2 Wiring interconnection system |
08/23/2001 | US20010016047 Automatic sound field correcting system |
08/23/2001 | US20010016046 Automatic sound field correcting system and a sound field correcting method |
08/23/2001 | US20010016045 Method of correcting sound field in an audio system |
08/23/2001 | DE10007845A1 Fixing device for attaching earphones and/or microphones to clothing, has disk shaped permanent magnet arranged at fastening location of earphones within clothing |
08/22/2001 | EP1126746A2 Automatic sound field correcting system and a sound field correcting method |
08/22/2001 | EP1126745A2 Sound field correcting method in audio system |
08/22/2001 | EP1126744A2 Automatic sound field correcting system |
08/22/2001 | EP1126743A2 Method of correcting sound field in an audio system |
08/22/2001 | EP0803170A4 Integral radio and infrared assistive listening device |
08/22/2001 | CN2444369Y Regurator for angle of loudspeaker |
08/22/2001 | CN1070017C Image display incorporating loudspeakers |
08/21/2001 | US6278787 Loudspeakers |
08/16/2001 | WO2001059813A2 A speaker alignment tool |
08/16/2001 | US20010014159 Audio reproducing apparatus |
08/16/2001 | DE10004284A1 Tragbares Datenaufnahme- und/oder Datenwiedergabegerät A portable data recording and / or reproducing unit |
08/15/2001 | CN2443568Y Combined loudspeaker |
08/15/2001 | CN2443567Y Big/small music magnetic disk dual-purpose walkman |
08/15/2001 | CN1308484A Loudspeaker support |
08/14/2001 | US6275595 High performance stereo sound enclosure for computer visual display monitor and method for construction |
08/14/2001 | US6275589 Method and apparatus for error masking in multi-channel audio signals |
08/14/2001 | CA2167241C Monitor support |
08/09/2001 | WO2001058208A2 Support system for a portable device |
08/09/2001 | WO2001058207A2 Portable device for transmitting sound |
08/09/2001 | US20010012377 Steganographically encoding a first image in accordance with a second image |
08/09/2001 | US20010012373 Garment-worn microphone, and communication system and method employing such a microphone for voice control of devices |
08/09/2001 | US20010012369 Integrated panel loudspeaker system adapted to be mounted in a vehicle |
08/09/2001 | US20010012368 Stereophonic sound processing system |
08/08/2001 | EP1122980A1 Vehicle-mounted acoustic system |
08/08/2001 | EP1122978A2 Multi-channel headphone system |
08/08/2001 | EP1122976A1 Retention system for a portable device |
08/08/2001 | EP1122975A1 Portable device for transmitting sound |
08/08/2001 | EP1121768A1 Method and device for developing a virtual speaker distant from the sound source |
08/08/2001 | CN2442471Y Composite passive radiation type voice box |
08/02/2001 | WO2001019131A3 Sensor array mounting |
08/02/2001 | US20010010727 Personal earphone assembly for mounting upon eyeglasses |
08/01/2001 | CN2441274Y Earphones for several persons |
08/01/2001 | CN1306282A MP-3 player |
07/26/2001 | WO2001054131A1 Mp-3 player |
07/26/2001 | WO2001052737A1 Method and system for on-line hearing examination and correction |
07/26/2001 | US20010009540 Portable information processing apparatus with a plurality of speakers |
07/25/2001 | CN1069016C Loud speaker system for TV. set |
07/24/2001 | US6266430 Audio or video steganography |
07/24/2001 | US6266426 Visual display means incorporating loudspeakers |
07/19/2001 | DE19956690A1 Beschallungseinrichtung Sound system |
07/18/2001 | CN1304274A Sound guider for radio sound transmission |
07/17/2001 | US6263085 Surround sound headphones |
07/12/2001 | WO2001050809A1 Headphone device |
07/12/2001 | WO2000076266A3 Virtual multichannel speaker system |
07/12/2001 | DE19961700A1 Natural sound circuit for acoustic reproduction of speech and music for hi-fi stereo systems has additional loudspeakers deriving difference signal from plus and minus poles of stereo outputs |
07/11/2001 | CN2439152Y Loudspeaker apparatus |
07/11/2001 | CN2439151Y Horn dustproof cover with improved structure |
07/11/2001 | CN1303576A Speaker apparatus and television set |
07/11/2001 | CN1303227A Transmission/receiving device and transmission/receiving method |
07/11/2001 | CN1303187A Portable voice frequency listening equipment |
07/11/2001 | CN1068497C Loadspeaker system |
07/10/2001 | US6259792 Waveform playback device for active noise cancellation |
07/10/2001 | US6259482 Digital BTSC compander system |
07/05/2001 | WO2001049072A2 Method and apparatus for producing spatially distributed sound into a set of headphones |
07/05/2001 | WO2001049066A2 Headphones with integrated microphones |
07/05/2001 | WO2000076176A3 Loudspeaker volume range control |
07/05/2001 | WO2000072564A3 Echo compensation device |
07/05/2001 | US20010006553 Transmitting method and apparatus |
07/04/2001 | EP1113703A1 Sound reproducing unit |
07/04/2001 | CN2438283Y Miniature double-track all-directionally adjusting sound pipe |
07/03/2001 | US6256397 Body-sensible swinging and vibrating apparatus |
06/28/2001 | WO2001047319A2 Method and arrangement for recording and playing back sounds |
06/28/2001 | US20010005423 Steganographic system with changing operations |
06/28/2001 | US20010005416 Signal processing for audio device |
06/27/2001 | EP1110425A1 Acoustical speaker housing and methods of installation |
06/27/2001 | EP0872156B1 Stereo loudspeaker system |
06/27/2001 | CN1301128A Full-band loudspeaker |
06/21/2001 | DE19960014A1 Food chewing noise characterization device e.g. for crispness testing, uses microphone and food chewing device mounted in common housing |
06/21/2001 | DE19955867A1 Flachlautsprecheranordnung für Tieftonwiedergabe Flat speaker arrangement for bass reproduction |
06/20/2001 | CN2435893Y Portable miniature sound headphone adapter |
06/20/2001 | CN2435892Y 耳机 Headphone |
06/20/2001 | CN1300518A In-home theater surround sound speaker system |
06/14/2001 | WO2001043502A2 Method for fixing the hifi position of an audio system |
06/13/2001 | EP1106439A2 Automobile pillar electroacoustical transducing |
06/13/2001 | DE19959025A1 Verfahren zur Festlegung der HIFI-Position eines Audiosystems A method for determining the position of a hi-fi audio system |
06/13/2001 | CN1299576A Panel-form loudspeaker |
06/13/2001 | CN1299187A High-fidelity final-stage power current amplifier |
06/12/2001 | US6246772 Wireless headphone/speakers sound field control circuit |
06/12/2001 | CA2034287C Acoustic signal reproducing apparatus |
06/07/2001 | WO2001041506A1 Stereophonic reproducing device and method |
06/07/2001 | WO2001041499A2 Method and device for improving communication in a vehicle |
06/07/2001 | DE10059538A1 Audio player for 5 channel DVD combines channels for headphones reduces loss of sound information |
06/07/2001 | CA2391797A1 Method and device for improving communication in a vehicle |
06/06/2001 | EP0848893B1 Headset with ear cushion and means for limiting the compression of the cushion |
06/06/2001 | CN2433796Y Flat-thin-type loudspeaker |
06/05/2001 | US6243478 Flat speakers for personal computer |
06/05/2001 | US6243473 Laptop computer with loudspeaker(s) |
06/05/2001 | US6243260 Retractable speakers for portable computer |
05/31/2001 | WO2001039548A1 Two methods and two devices for processing an input audio stereo signal, and an audio stereo signal reproduction system |