Patents for H04R 5 - Stereophonic arrangements (11,598)
03/2005
03/30/2005CN2689636Y Visual active loundspeakers
03/30/2005CN1602117A Loudspeaker device
03/30/2005CN1602113A Acoustic device
03/30/2005CN1601665A Inductance coil and divider applied for speaker
03/30/2005CN1601649A 数字音频播放器 Digital Audio Player
03/29/2005US6873862 Wireless headphones with selective connection to auxiliary audio devices and a cellular telephone
03/24/2005WO2005027567A2 Headphone with behind-the-head headband
03/24/2005WO2005027514A1 Digital loudspeaker
03/24/2005US20050065740 Method for three-dimensional position calibration of audio sensors and actuators on a distributed computing platform
03/24/2005US20050063550 Sound image localization setting apparatus, method and program
03/24/2005US20050063549 Multi-function headphone system and method
03/24/2005DE10340228A1 Audio system with bi-directional signal transfer between audio transmitters and receivers to permit checking of signal quality and changing of selected channel
03/24/2005DE10339101A1 Audio system for a motor vehicle has a telephone system, a microphone, a loudspeaker and a voice-recording system
03/24/2005DE102004037251A1 Lokaler drahtloser Audiosignal-HF-Sender und -Empfänger Local wireless audio RF transmitter and receiver
03/23/2005EP1517582A1 Loudspeaker edge
03/23/2005CN2688009Y Size-adjustable earphone
03/23/2005CN2688008Y Colour luminous earphone
03/23/2005CN2688007Y Ceiling type voice box
03/23/2005CN1598890A Vehicular audio apparatus, and tone generating method and program therefor
03/22/2005US6870935 Volume stability control for partitioned audio system
03/22/2005US6870933 Stereo audio processing device for deriving auxiliary audio signals, such as direction sensing and center signals
03/22/2005US6868937 Sub-woofer system for use in vehicle
03/17/2005WO2005025270A1 Audio image control device design tool and audio image control device
03/17/2005WO2005025268A1 Noise damping headset with a throat microphone
03/17/2005WO2004112425B1 Audio amplifier with local interface system
03/17/2005US20050058317 Headgear and electronic components in combination
03/17/2005US20050058314 Surround sound positioning tower system and method
03/17/2005US20050058311 Stereo headphone
03/17/2005US20050058309 Loudspeaker with single or dual channel input selector and lockout
03/17/2005US20050058305 Vehicular audio apparatus, and tone generating method and program therefor
03/17/2005US20050057403 Local wireless audio signal RF transmitter and receiver
03/16/2005EP0976200A4 Vehicular loudspeaker system
03/16/2005CN2686265Y Five-sound channel family theater apparatus
03/16/2005CN2686264Y Nicro-radio earphone
03/16/2005CN2686263Y Antitension earphone
03/16/2005CN1596038A Audio device and audio processing method
03/16/2005CN1595077A Blue tooth headphone capable of measuring body temperature
03/16/2005CN1193643C Headphone
03/15/2005US6868164 Head phone device
03/15/2005US6868161 Transmitting/receiving device and transmitting/receiving method
03/15/2005US6867820 Method for displaying audio settings menu of display apparatus
03/10/2005WO2005022949A1 Audio communication unit
03/10/2005US20050053256 Portable musical instrument amplifier
03/10/2005US20050053255 Foldable headphones
03/10/2005US20050053252 Sound and vibration transmission pad and system
03/10/2005US20050053245 5.1 Channel signal output mixer circuit for earphone
03/10/2005US20050053243 System and method for identifying a headset type in an electrical device
03/10/2005DE202004018239U1 Wiring diagram for surround sound earphone earpieces has a driver unit for a front area along with other driver units for surround sound areas
03/09/2005CN1592493A Portable terminal wireless microphone apparatus and method
03/09/2005CN1592492A Stereophony amplifying and playing (replaying) system
03/09/2005CN1592490A Electroacoustic emergy converter
03/09/2005CN1591953A System for managing fuel cell and sounding system with the system
03/08/2005US6865277 Passenger vehicle
03/03/2005WO2005020634A1 Audio/video system for wireless driving of loudspeakers
03/03/2005WO2005020627A1 Speaker module assembly of multichannel headphone
03/03/2005WO2005020624A2 Ear warmer with a speaker system
03/03/2005WO2005020549A1 Digital communication device
03/03/2005US20050047624 Reproduction apparatus with audio directionality indication of the location of screen information
03/03/2005US20050047617 Flat panel monitor frame with integral speakers
03/03/2005US20050047607 System and method for sharing acoustical signal control among acoustical virtual environments
03/03/2005US20050047071 Wireless transmission interface and method
03/03/2005US20050046790 Speaker mounts for eyeglass with MP3 player
03/03/2005US20050046789 Actuator configuration for eyeglass with MP3 player
03/03/2005US20050045171 Snap-in and lock baffle
03/03/2005DE202004018797U1 Bath tub has loudspeaker magnets exciting plastic or glass fibre reinforced body and colored LED lamps in sides also controlled by sound player
03/02/2005EP1511353A1 Loudspeaker cabinet
03/02/2005EP1511352A1 Connectionsystem for audio application
03/02/2005EP1510103A1 Headset
03/02/2005CN2682765Y USB power amplification loudspeaker connector
03/02/2005CN2682764Y Adjustable blue-tooth wireless earphone
03/02/2005CN2682763Y Improved structure of loudspeaker sound box
03/02/2005CN1589588A Sound enhancement for mobile phones and other products producing personalized audio for users
03/02/2005CN1589066A Method and relative device for producing echo effect
03/02/2005CN1589063A Earphone type voice broadcast device
02/2005
02/24/2005WO2005018134A2 Method and system for crosstalk cancellation
02/24/2005WO2004043055A3 A consumer electronics device
02/24/2005US20050041820 Method of mounting and driving speakers
02/24/2005US20050041818 USP power amplified trumpet connecting device
02/24/2005US20050041817 Ear cover with sound receiving element
02/24/2005US20050041814 Method and related apparatus for stereo vocal cancellation
02/23/2005EP1509064A2 Method of mounting and driving speakers
02/23/2005EP1509063A1 Sound generating device with high frequency sound deflector array
02/23/2005EP1509062A1 Headphones with zipper
02/23/2005CN2681510Y A handset earphone capable of recording
02/23/2005CN2681509Y A head worn earphone
02/23/2005CN2681508Y Automatic on/off type active earphone
02/23/2005CN1585567A Method of mounting and driving speakers
02/23/2005CN1584981A Method and system for controlling sound by speech
02/23/2005CN1190993C Acoustic noise reducing headwared microphone and module used therefor
02/23/2005CN1190794C Mp-3 player
02/22/2005US6859539 Vehicle sound synthesizer
02/22/2005US6859538 Plug and play compatible speakers
02/19/2005CA2437838A1 Converter of stereo sound into peripheral sound
02/17/2005WO2005015956A1 Voice reproducing method and reproducer using line array speaker unit
02/17/2005WO2005015946A1 Speaker system for video receiver and method for installing speaker
02/17/2005US20050036646 Magnet retention system in planar loudspeakers
02/17/2005US20050036643 Ear warmer with a speaker system
02/17/2005US20050036633 Apparatus and method for reconstructing high frequency part of signal
02/16/2005EP1507440A2 Audio controller for seatback loudspeakers
02/16/2005EP1507439A2 Apparatus and method for controlling speakers
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