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)
12/2003
12/31/2003CN1465204A Bone conduction headset
12/25/2003US20030235320 Personal audio visual system
12/25/2003US20030235318 System and method for automatic room acoustic correction in multi-channel audio environments
12/25/2003US20030235314 Audio system with wireless speakers
12/25/2003US20030235311 Audio testing system and method
12/24/2003CN1132416C Method and device for automatic compensating tone
12/23/2003US6668204 Biaural (2channel listening device that is equalized in-stu to compensate for differences between left and right earphone transducers and the ears themselves
12/23/2003US6666296 Speaker assembly
12/18/2003WO2003104924A2 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
12/18/2003DE20315636U1 Lautsprecher-Adapter-Anordnung Speaker Adapter assembly
12/18/2003CA2488689A1 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
12/17/2003EP1371267A2 Method of reproducing multichannel sound using real and virtual speakers
12/17/2003EP1371266A2 Method of deriving a head-related transfer function
12/17/2003EP1371263A2 Apparatus and method for adaptive signal characterization and noise reduction in hearing aids and other audio devices
12/17/2003EP0988774B1 Improved artificial ear and auditory canal system and means of manufacturing the same
12/17/2003CN2593510Y Earphone virtual circulating sound effect converter
12/16/2003USRE38350 Global sound microphone system
12/16/2003US6665407 Three channel panning system
12/16/2003US6662560 Motion transducer efficient for small amplitude movements
12/11/2003WO2003103335A1 Headset
12/11/2003WO2003079650A8 Speaker system
12/10/2003EP1219140B1 Acoustic correction apparatus
12/10/2003EP0988771B1 Dipole speaker headrests
12/10/2003CN2591910Y Adjustable volume earphone
12/10/2003CN1130719C Multi-channel voice frequency reproduction equipment
12/09/2003US6661899 Book microphone system
12/09/2003US6659773 Motion transducer system
12/04/2003WO2003099061A1 Luggage with audio components
12/04/2003WO2003078204A3 Loudspeaker arrangement for stereo reception in vehicles, particularly in passenger vehicles
12/04/2003US20030223612 Low cost hearing protection device
12/04/2003US20030223609 Slide-on speaker assembly
12/04/2003US20030223608 Turntable for loudspeaker display
12/04/2003US20030223604 Audio output apparatus having a wireless communication function, and method of controlling sound-source switching in the apparatus
12/04/2003US20030223603 Sound space replication
12/04/2003CA2486591A1 Luggage with audio components
12/02/2003US6658132 Waterproof cover for housing in hospital bed containing speaker or electronic components
12/02/2003US6658127 Speaker system having an amplifying horn
12/02/2003US6658121 Headphone having an adjustable localization of auditory events
12/02/2003US6654966 Fully collapsible headset
11/2003
11/27/2003WO2003075604A3 Headphone
11/27/2003WO2002093980A3 Method for customizing audio systems for hearing impaired
11/27/2003US20030220705 Audio distribution system with remote control
11/27/2003US20030219135 Acoustic drive circuit
11/26/2003EP1365629A1 Headphone-use stereophonic device and voice signal processing program
11/26/2003EP1365625A2 Expanded stereophonic circuit with tonal compensation
11/26/2003CN2588713Y Digital infraved ray surround stereo earphone
11/26/2003CN1459214A Method of reproducing multichannel audio sound via several real and at least one virtual speaker
11/25/2003US6654887 Steganography decoding methods employing error information
11/25/2003US6654480 Audio appliance and monitoring device responsive to watermark data
11/25/2003US6654474 Arm-wear-type communication device
11/20/2003WO2003096741A2 Audio network distribution system
11/20/2003US20030215103 Parametric virtual speaker and surround-sound system
11/20/2003US20030214199 Electroactive polymer devices for controlling fluid flow
11/20/2003CA2485104A1 Audio network distribution system
11/19/2003EP1363450A1 Head mounted image/voice reproducing system
11/19/2003EP0880871B1 Sound recording and reproduction systems
11/19/2003CN1128562C Loundspeaker device
11/13/2003WO2003094575A1 Portable audio player
11/13/2003WO2003094572A1 Loudspeaker system
11/13/2003WO2003094571A2 Electro-dynamic planar loudspeakers
11/13/2003US20030211838 Shower head radio
11/13/2003US20030210801 Adjustable headphone
11/13/2003US20030210796 Wired, wireless, infrared, and powerline audio entertainment systems
11/13/2003US20030209383 Modular microphone array for surround sound recording
11/12/2003CN1127882C Headphone device
11/11/2003US6647129 Method and system for encoding image and audio content
11/06/2003WO2003092327A1 Method and device for reducing high frequency error components of a multi-channel modulator
11/06/2003WO2003092322A1 Signal transmission system
11/06/2003US20030206642 Vest with piezoelectric transducer for practicing music
11/05/2003CN1454445A Portable audio devices
11/05/2003CN1454444A Multi-channel headphone system
11/04/2003US6643379 Acoustical transducer for recreating a spatial sound stage and improved localization of original sounds sources
11/04/2003US6643377 Audio output system and method therefor
10/2003
10/30/2003WO2003090495A1 Mattress having sound-to-vibration conversion apparatus
10/30/2003US20030202667 Method of creating reverberation by estimation of impulse response
10/30/2003US20030202664 Method and device for reducing high frequency error components of a multi-channel modulator
10/30/2003US20030202341 Headset incorporating an integral light
10/29/2003EP1357536A2 Creating reverberation by estimation of impulse response
10/29/2003EP1356707A2 Electroacoustic conversion of audio signals, especially voice signals
10/29/2003EP1356452A1 Voice-controlled televison set and operating method thereof
10/29/2003CN1452435A Loudspeaker apparatus and switch device thereof
10/28/2003US6639988 Piezo integrated flat speakers for automotive interior panels
10/28/2003US6639986 Built-in microphone device
10/23/2003WO2003086124A1 Ear protection device
10/23/2003US20030198358 Loudspeaker arrangement and switching apparatus therefor
10/23/2003US20030198355 Tri-functional dual earphone device
10/23/2003US20030197811 Loudspeaker arrangement and switching apparatus therefor
10/22/2003EP1355510A2 Loudspeaker arrangement and switching apparatus therefor
10/22/2003EP1353736A2 Motion transducer system
10/22/2003EP1101386B1 Head phone
10/22/2003CN2582312Y 5.1 sound channel digital circulating sound earphone
10/22/2003CN1125575C Loudspeaker device
10/16/2003WO2003086015A1 Sound reproduction employing unity summation aperture loudspeakers
10/16/2003CA2481014A1 Sound reproduction employing unity summation aperture loudspeakers
10/15/2003CN1449222A Method for assembling sound equipment
10/14/2003US6633648 Loudspeaker array for enlarged sweet spot
10/14/2003CA2261108C Acoustic heterodyne device and method
10/09/2003US20030191548 Recording and playback of multi-channel digital audio having different resolutions for different channels
10/09/2003US20030190047 Headphones with integrated microphones
10/08/2003EP1351542A2 Ceiling speaker system of aircraft
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