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)
05/2005
05/19/2005US20050105744 Method of improving speaker sound quality in vehicle by controlling speaker angle
05/19/2005US20050105718 Active audio compressing in telecommunication
05/19/2005CA2543614A1 Multi-channel audio surround sound from front located loudspeakers
05/19/2005CA2542151A1 Methods and apparatus to extract codes from a plurality of channels
05/18/2005CN2701203Y Environment noise inhibitory type multifunctional earphone
05/18/2005CN1617632A Head acoustic device and sound track reproducing method
05/18/2005CN1617556A DMA slot allocation
05/14/2005CA2487714A1 Dma slot allocation
05/12/2005WO2005043952A1 Sound generating transducer
05/12/2005US20050100186 Head worn entertainment and/or communication device
05/12/2005US20050100184 Ear warming article including electronic device and easily interchangeable advertising areas
05/12/2005US20050098378 Speaker mounted in recreational vehicle
05/11/2005EP1529418A1 Loudspeaker arrangement
05/11/2005CN2699609Y Audio-visual equipment remote controller having built-in type ear phone system
05/06/2005WO2005041614A2 Acoustic frame for flat screen television
05/06/2005WO2005041590A1 Array for rendering image and sound
05/06/2005WO2005041447A1 Multiple channel wireless communication system
05/06/2005WO2005002064A3 Handheld electronics devices with multiple user sensory transducers and methods
05/06/2005CA2542735A1 Multiple channel wireless communication system
05/05/2005US20050096765 Reduction of memory requirements by de-interleaving audio samples with two buffers
05/05/2005US20050094843 Sound generating transducer
05/05/2005US20050094826 Processing equipment of the sound of a car
05/05/2005US20050094824 Audio-signal detecting device
05/05/2005US20050094822 Listener specific audio reproduction system
05/05/2005US20050094819 Infrared emitter
05/05/2005US20050093506 Fuel cell management system and audio system provided with the management system
05/04/2005EP1527655A2 Audio channel spatial translation
05/04/2005DE20319012U1 Drahtloses Headset (Freisprecheinheit) Wireless headset (handsfree unit)
05/04/2005DE202005001911U1 Bluetoothkommunikationskopfhörer mit demontierbarem Batterienmodul Bluetooth communication headset with detachable battery module
05/04/2005CN2697993Y Earphone with illumination
05/03/2005US6888950 Ear warming article including electronic device and easily interchangeable advertising areas
05/03/2005US6888946 High frequency loudspeaker
05/03/2005US6888945 Personal sound masking system
04/2005
04/28/2005WO2005039236A1 Resonance box
04/28/2005US20050090219 Complex digital signal channel select filter for analog cable television
04/28/2005US20050090213 Tuner and demodulator for analog cable television
04/28/2005US20050090141 Detection circuit
04/28/2005US20050089185 Headset ear seal employing phase change material
04/28/2005US20050089182 Compact surround-sound system
04/28/2005US20050089181 Multi-channel audio surround sound from front located loudspeakers
04/28/2005US20050089174 Stereophonic Device for Headphones and Audio Signal Processing Program
04/28/2005US20050088934 Recording and playback of multi-channel digital audio having different resolutions for different channels
04/27/2005EP1526756A2 Microphone apparatus, reproducing apparatus, and image taking apparatus
04/27/2005EP0947121B1 Device including a built-in electroacoustic transducer for optimum speech reproduction
04/27/2005CN2696252Y Head-weared earphone for language learning system
04/27/2005CN1611094A Electronic apparatus and audio-frequency signal output method for electronic apparatus
04/27/2005CN1610449A Microphone apparatus, reproducing apparatus, and image taking apparatus
04/26/2005US6885900 Method and apparatus for providing multiple channel audio in a computing system
04/21/2005WO2005036921A2 Parametric loudspeaker system for isolated listening
04/21/2005WO2005034734A2 Hearing adjustment appliance for electronic audio equipment
04/21/2005US20050086058 System and method for enhancing speech intelligibility for the hearing impaired
04/21/2005US20050085934 Computer system to output an external audio signal
04/21/2005US20050085276 Speaker system
04/21/2005US20050085252 Stuck microphone deselection system and method
04/21/2005US20050084129 Headphone
04/21/2005US20050084125 Loudspeaker set with elastic adapter
04/21/2005DE202005001826U1 M/S 4 Plus microphone chassis for quad M/S microphone arrangement plus center support microphone has 5 rectangular iron parts fixed between 2 round metal plates using welded posts at fixed angles to each other
04/20/2005CN2694684Y Wireless earphone carrying apparatus with direction and angular adjustment
04/20/2005CN2694683Y Earphone with three sound path and three direction circumferential sound effect
04/20/2005CN2694682Y Ear muff
04/20/2005CN1607865A Acoustic apparatus and acoustic setting method
04/20/2005CN1198480C Acoustic device
04/14/2005WO2005034574A1 Device for 3-dimensional acoustic reproduction using headphones
04/14/2005US20050079885 Four pole stereo headset with push to talk capability in a duplex radio
04/14/2005US20050078935 Detection device commonly used for video/audio interface outlet and earphone line outlet
04/14/2005US20050078839 Sound reproducing apparatus and sound reproducing method
04/14/2005US20050078838 Hearing ajustment appliance for electronic audio equipment
04/14/2005US20050078836 Instantaneous on-line acoustic apparatus capable of sharing enjoying and recording music
04/14/2005DE10342532A1 Hinterkopfbügel-Kopfhörer Behind headband headphones
04/13/2005EP1523217A1 Electroacoustic transducer
04/12/2005US6879818 Shower head radio
04/12/2005US6879699 Head worn entertainment and/or communication device
04/07/2005WO2005032210A1 Wireless digital transmission of low frequency effects and surround channels for surround sound system
04/07/2005WO2005032209A2 Method and arrangement for locating aural events such that they have a constant spatial direction using headphones
04/07/2005WO2005032207A1 Directional loudspeaker control system
04/07/2005WO2005030011A1 Cushion and acoustic system with the cushion
04/07/2005US20050074135 Audio device and audio processing method
04/07/2005US20050074131 Vehicular sound processing system
04/07/2005DE102004039066A1 Car audio system with universal loudspeaker(s), transmitting universal signal inside car, and with individual loudspeaker(s) transmitting individual signal for one passenger
04/06/2005CN1605224A Headset
04/06/2005CN1604010A Electronic apparatus capable of always executing noise canceling and voice input method for the apparatus
04/06/2005CN1604008A Electronic apparatus having a speaker unit
04/05/2005US6876298 Audible warning for vehicle safety systems
04/05/2005US6874220 Method and apparatus for mounting an acoustic transducer
03/2005
03/31/2005WO2005029918A1 Hearing aid for people hard of hearing
03/31/2005WO2005029911A1 Electric device, system and method
03/31/2005WO2005029909A1 Virtual multi-channel speaker unit
03/31/2005WO2005029908A2 Loudspeaker with single or dual channel input selector and lockout
03/31/2005US20050069159 Electronic apparatus having a speaker unit
03/31/2005US20050069150 Loudspeaker system
03/31/2005US20050069149 Electronic apparatus capable of always executing proper noise canceling regardless of display screen state, and voice input method for the apparatus
03/31/2005US20050069148 Audio apparatus
03/31/2005US20050069147 Headset wire for use with portable electronic devices
03/31/2005US20050069146 Digital audio player
03/31/2005DE10339115A1 Vehicle speech processing system has links to navigation, telephone and electronic address book using voice commands to create alarm event stored speech announcements
03/31/2005DE10338694A1 Wiedergabeeinrichtung, umfassend wenigstens einen Bildschirm zur Darstellung von Informationen Reproducing means comprising at least one screen for displaying information
03/30/2005EP1519627A2 Sound reproducing apparatus and sound reproducing method
03/30/2005EP1519620A2 Digital audio player
03/30/2005EP1519617A2 Acoustic device
03/30/2005EP1518180A2 Identification system and method for recognizing any one of a number of different types of devices
1 ... 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 ... 116