Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 5 - Stereophonic arrangements
Patents for H04R 5 - Stereophonic arrangements (11,598)
10/2003
10/08/2003CN2579124Y Movable audio equipment stand
10/08/2003CN1447624A Automatic audio system equalization
10/08/2003CN1124069C Dome loudspeaker system for video appliance
10/07/2003US6629579 Headphones/earmuffs
10/02/2003WO2003018722A3 Circuit and method for processing an audio signal
10/02/2003WO2002078389A3 Method of deriving a head-related transfer function
10/02/2003US20030187526 Audible signal to indicate software processing status
10/02/2003US20030185400 Sound processing unit, sound processing system, audio output unit and display device
10/02/2003US20030183444 Sub-woofer system for use in vehicle
10/02/2003US20030182713 Fully collapsible headset
10/01/2003EP1349427A2 Automatic audio equalising system
10/01/2003EP1349420A2 Playback apparatus, headphone, and playback method
10/01/2003CN1446023A Earphone detecting circuit
10/01/2003CN1123219C Television set comprising loudspeaders and decoder with surround sound audio signals
10/01/2003CN1122964C Method and system for processing virtual acoustic environment
09/2003
09/30/2003US6628790 Apparatus for on-ear operation and off-ear operation with two sound reproduction transducers
09/25/2003WO2003079725A2 Resonator device and associated circuits
09/25/2003WO2003079722A1 Active audio compressing in telecommunication
09/25/2003WO2003079718A1 Image display device
09/25/2003WO2003079650A1 Speaker system
09/25/2003WO2003078204A2 Loudspeaker arrangement for stereo reception in vehicles, particularly in passenger vehicles
09/25/2003US20030182003 Playback apparatus, headphone, and playback method
09/25/2003US20030179891 Automatic audio system equalizing
09/24/2003EP0801785B1 Communications headset
09/24/2003CN2575927Y Radiationproof screening apparatus for back-located antenna mobile telephone
09/23/2003US6625289 Stereo loudspeaker system
09/18/2003WO2002054822A3 Device for sound transmission and irradiation
09/17/2003EP1344426A2 Programmable headset, programming apparatus and method
09/17/2003EP1004222A4 A distributed stereo system
09/16/2003US6621908 Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein
09/16/2003US6620094 Method and apparatus for audio input to implantable hearing aids
09/16/2003US6619424 Speaker enclosure configured to minimize diffraction
09/12/2003WO2003075610A1 Acoustic signal transducing device and method
09/12/2003WO2003075605A1 Modular micriophone array for surround sound recording
09/12/2003WO2003075604A2 Headphone
09/12/2003WO2003003788A3 Supplemental audio content system with wireless communication for a cinema and related methods
09/11/2003US20030169898 Headphone device
09/11/2003US20030169897 Head phone device
09/11/2003US20030169886 Method and apparatus for encoding mixed surround sound into a single stereo pair
09/10/2003EP1343348A2 Fully collapsible headset
09/10/2003EP1343162A2 Audio reproducing apparatus
09/10/2003EP1342390A2 Method for reproducing audio signals of at least two different sources
09/10/2003CN2572701Y Sound processing circuit for LCD television set
09/10/2003CN2572700Y Headphone
09/10/2003CN1442029A Stereo audio processing device for deriving auxiliary audio signals such as direction and centre audio signals
09/09/2003US6618487 Electro-dynamic exciter
09/04/2003WO2003073813A1 Dual mono center channel
09/04/2003WO2003073790A1 Voice detection and discrimination apparatus and method
09/04/2003WO2003073788A1 Audio strap
09/04/2003US20030165246 Voice detection and discrimination apparatus and method
09/04/2003CA2420528A1 Fully collapsible headset
09/03/2003EP1341398A1 Portable audio system
09/03/2003EP1133899A4 Binaural signal processing techniques
09/03/2003CN2571097Y Speaker unit
09/03/2003CN2571096Y Multipurpose multi-track headset plug
09/03/2003CN2571095Y Multi-track headphone with surround sound effect
09/03/2003CN2571094Y Stereo earphone
09/03/2003CN1440217A FPGA 5.1 channel virtual speech reproducing method and device
09/03/2003CA2420651A1 Modular microphone array for surround sound recording
09/01/2003CA2374299A1 Modular microphone array for surround sound recording
08/2003
08/28/2003WO2003071827A2 Compact surround-sound system
08/28/2003WO2002080614A3 Audio system for canopies used with strollers or rockers
08/28/2003US20030161484 Built-in microphone device
08/28/2003US20030161478 Sound reproduction systems
08/28/2003US20030159879 Dual mono center channel
08/27/2003CN1438817A Water-proof electroaoustic transducer and portable electronic device fitted with same
08/27/2003CN1119916C Earphone microphone with dual earhooks and earphone with dual earhooks
08/26/2003US6611603 Steering of monaural sources of sound using head related transfer functions
08/21/2003WO2003069950A1 Card sound device and electronic apparatus having same
08/21/2003WO2003069598A1 Methods and systems for generating phase-derivative sound
08/21/2003WO2003032538A3 Sound data output and manipulation using haptic feedback
08/21/2003WO2003000522A3 Method and apparatus for managing audio devices
08/21/2003WO2002076148A3 Apparatus and method for adaptive signal characterization and noise reduction in hearing aids and other audio devices
08/21/2003US20030158729 Methods and systems for generating-phase derivative sound
08/21/2003US20030156075 Electronic device
08/20/2003CN1119069C Sound field equalizer for loudspeaker system
08/20/2003CN1119019C Loudspeaker shell for video display device
08/19/2003US6608907 Audio output apparatus having wireless speakers
08/19/2003US6608903 Sound field reproducing method and apparatus for the same
08/14/2003WO2003067928A1 Loudspeaker room interface surround sound speaker system
08/14/2003WO2003024152A3 Listening device
08/14/2003US20030152245 Chair equipped with a speaker
08/12/2003US6604363 Matching an acoustic driver to an acoustic load in an acoustic resonant system
08/07/2003WO2003065761A1 Modular loudspeaker
08/07/2003US20030147546 Purring pillow apparatus
08/07/2003US20030147543 Audio amplifier unit
08/07/2003DE20308678U1 Loudspeaker system of complete, modular, extensible design for HiFi stereo or surround sound installation, comprises variable stand with two parts for retaining loudspeaker housing modules
08/06/2003CN2565228Y Multipurpose earphone
08/06/2003CN1435074A Method and arrangement for recording and playing back sounds
08/06/2003CN1435073A Multi-channel headphones
08/05/2003US6603863 Headphone apparatus for providing dynamic sound with vibrations and method therefor
08/05/2003US6603859 Speaker with drive mechanism
07/2003
07/31/2003WO2002062096A3 Electroacoustic conversion of audio signals, especially voice signals
07/31/2003US20030142844 Dual-tweeter loudspeaker
07/31/2003US20030142842 Vehicle-mounted stereophonic sound field reproducer
07/31/2003US20030141414 Ceiling speaker system of aircraft
07/30/2003EP1330935A1 Multi-channel headphone system
07/29/2003US6600827 Externally mounted speaker for notebook computer
07/29/2003US6600824 Microphone array system
07/24/2003US20030138122 Sound-reproducing support
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