Patents for H04R 5 - Stereophonic arrangements (11,598)
11/2001
11/15/2001US20010040975 Device including a built-in electroacoustic transducer for optimum speech reproduction
11/15/2001EP1145531A3 Apparatus for hands-free operation with two sound reproduction transducers
11/15/2001DE10113735A1 Vorrichtung und Verfahren zur Geräuschreduzierung Apparatus and method for noise reduction
11/14/2001CN2459841Y Ultradynamic expandor
11/14/2001CN2459840Y Earphone comforming to acoustics
11/14/2001CN2459839Y Sectional insertion earphone
11/13/2001US6317501 Microphone array apparatus
11/08/2001WO2001084882A2 Method for improved audio frequency broadcast in a vehicle and vehicle equipped with same
11/08/2001DE10045177A1 Earphone for multimedia surround sound creates inner ear extension improves directional information
11/07/2001EP1151630A2 Method and system of compensating for boundary effects on a primary sound source
11/07/2001EP1151629A1 Diffuser panel with built-in speaker arrangement and methods of installation
11/07/2001CN2458697Y Multi-channel audio signal converter
11/07/2001CN1074641C Design method and device for digital sounder
11/06/2001US6314191 Fireplace accessory
11/06/2001US6311946 Saddlebag support for computer speakers
11/01/2001US20010037508 Variable bandwidth communication systems and methods
11/01/2001US20010036868 Motion transducer system
11/01/2001US20010036286 Soundfield playback from a single speaker system
10/2001
10/31/2001DE10020532A1 Operating system with two active loudspeakers has digital amplifiers provided on power output stages of active loudspeakers
10/31/2001CN2457826Y Anti-strongh bass overload circuit module
10/30/2001CA2213429C Intelligent acoustic systems peripheral
10/25/2001WO2001080599A2 Automatic mono/stereo detection
10/24/2001EP1148759A1 Cabinet for audio devices
10/24/2001EP1148758A1 Cabinet for audio devices
10/24/2001EP1147680A2 A headphone comprising bending-wave loudspeakers
10/24/2001CN2456425Y Vase audio system
10/24/2001CN1318906A Casing of audio device
10/23/2001US6307942 Panel-form microphones
10/23/2001US6305026 Cap with headphones assembly
10/18/2001US20010032071 Portable data recording and/or data playback device
10/18/2001US20010031062 Headphone system
10/18/2001US20010031059 Cabinet for audio devices
10/18/2001US20010031057 Method and apparatus for producing spatially distributed sound into a set of headphones
10/18/2001US20010031052 Noise suppression loudspeaker
10/18/2001US20010029675 Laser beam alignment device
10/17/2001EP1145531A2 Apparatus for hands-free operation with two sound reproduction transducers
10/17/2001EP0906712A4 Center point stereo reproduction system for musical instruments
10/17/2001EP0700620B1 Audio-visual arrangement and system in which such an arrangement is used
10/17/2001CN2455029Y Molecular integrated-circuit electronic sounder
10/17/2001CN1073325C Method and device for remote-control television earphone
10/16/2001US6304661 Loudspeakers comprising panel-form acoustic radiating elements
10/11/2001WO2001076316A2 Deformable loudspeaker
10/11/2001US20010029616 Audio menu display method
10/11/2001US20010028723 Television system with digital sound
10/11/2001US20010028719 Apparatus for detecting direction of sound source and turning microphone toward sound source
10/11/2001DE10015801A1 Digital radio/wireless loudspeaker for transmitting audio signals uses a high-frequency receiver component to pick up digital audio data produced by a receiver signal through a data recovery stage and a signal processor stage.
10/10/2001EP1143766A1 System for reproducing three-dimensional sound field
10/10/2001EP1143764A1 Speaker device
10/10/2001EP1142448A2 Motor vehicle audio system
10/10/2001EP1142443A1 Loudspeaker mounting system comprising a flexible arm
10/10/2001EP0746958B1 Sound-reproducing apparatus comprising an acoustic horn, and acoustic horn for use in the apparatus
10/10/2001CN2453628Y Ear phone
10/09/2001US6301490 Audio headset communication apparatus and method
10/09/2001US6301367 Wearable audio system with acoustic modules
10/09/2001US6298943 Bass-reflex speaker assembly
10/04/2001WO2001074115A2 Planar loudspeaker for cabin-like environment
10/04/2001US20010026627 Deformable loudspeaker
10/03/2001CN2452229Y Plane loud-speaker with rack system
10/03/2001CN2452228Y High and low separating loud-speaker
10/03/2001CN1315819A Multi-channel mode common printed circuit board decoder for audio frequency
10/03/2001CN1315818A Horn-type loudspeaker
10/02/2001USRE37398 Headphone
10/02/2001US6298141 Method and apparatus for audio bass enhancement in a electronic device
10/02/2001US6298025 Recording and playback of multi-channel digital audio having different resolutions for different channels
09/2001
09/27/2001US20010025202 Device for determining and characterizing noises generated by mastication of food
09/26/2001EP1137319A2 Headrest surround channel electroacoustical transducing
09/26/2001EP1137317A1 Speaker unit
09/26/2001EP1135969A1 Digital wireless loudspeaker system
09/26/2001EP1135965A2 Waterproof housing cover for hospital bed
09/26/2001CN2450845Y Dynamic balanced earpiece
09/25/2001US6295366 Aircraft headset
09/20/2001WO2001069966A1 Speaker box
09/20/2001US20010022843 Audio signal reproducing apparatus
09/20/2001US20010022842 Method, apparatus and storage medium for adjusting the phase of sound from multiple speaker units
09/20/2001US20010022835 Speaker apparatus
09/19/2001EP1133899A1 Binaural signal processing techniques
09/19/2001CN2449440Y Miniature wireless earphone
09/19/2001CN2449439Y Multi-channel earphone
09/13/2001WO2001067808A1 Noise suppression loudspeaker
09/13/2001WO2001067805A2 Automatic turn-on and turn-off control for battery-powered headsets
09/13/2001US20010021259 Personal sound masking system
09/13/2001US20010021257 Stereophonic sound field reproducing apparatus
09/12/2001EP1133211A2 Information apparatus having speakers
09/12/2001CN1312602A Connector, multi-path audio-frequency system, electronic apparatus and cable for connection
09/11/2001US6289108 Methods for detecting alteration of audio and images
09/07/2001WO2001065890A2 Loudspeaker system
09/06/2001DE10013432C1 Microphone device installed in automobile positioned in front of driver facing towards front windscreen for reception of speech signals reflected from windscreen surface
09/05/2001EP1130880A1 Headset and head support for headset.
09/05/2001CN2446739Y Mouse pad multimedia loudspeaker box
09/05/2001CN1311974A Head phone
09/05/2001CN1311622A Head ear-phone system
09/04/2001US6285770 Noticeboards incorporating loudspeakers
09/04/2001US6285757 Interactive devices and methods
08/2001
08/30/2001WO2001063968A1 Speaker system for personal computers
08/30/2001WO2001063967A1 Multi-channel headphones
08/30/2001WO2001063966A2 Device for fixing earphones and/or mini-microphones
08/30/2001US20010017925 Headset and head support for headset
08/30/2001US20010017924 Loudspeakers with panel-form acoustic radiating elements
08/30/2001US20010017921 Sound field correcting method in audio system
08/30/2001US20010017482 Motion transducer efficient for small amplitude movements