| Patents for H04R 5 - Stereophonic arrangements (11,598) |
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| 06/23/2005 | WO2005057888A1 Wireless headset |
| 06/23/2005 | WO2005032209A3 Method and arrangement for locating aural events such that they have a constant spatial direction using headphones |
| 06/23/2005 | US20050137729 Time-scale modification stereo audio signals |
| 06/23/2005 | US20050135653 Acoustically enhanced electro-dynamic loudspeakers |
| 06/23/2005 | US20050135642 Integrated vehicle instrument panel speaker system |
| 06/23/2005 | US20050135634 Wireless transmission device of surround sound stereo system |
| 06/23/2005 | US20050135629 Apparatus and method for generating three-dimensional stereo sound in a mobile communication system |
| 06/23/2005 | DE202005005651U1 Loudspeaker box for surround sound, has three independent output branches fitted with wide-band, coaxial and three-axial loudspeakers and treble devices in individual branches |
| 06/23/2005 | DE202005005296U1 Am Kopf tragbarer MP3-Spieler At the top portable MP3 player |
| 06/23/2005 | DE10344032A1 Hörsystem verwendbar für schwerhörige Personen Hearing system suitable for hard of hearing people |
| 06/22/2005 | CN2705985Y Audio device with retractable earpieces |
| 06/22/2005 | CN1207884C Loudspeaker volume range control |
| 06/21/2005 | US6909787 Method and related apparatus for stereo vocal cancellation |
| 06/21/2005 | CA2168980C Loudspeaker |
| 06/16/2005 | WO2005055658A1 A moving sound amplifier |
| 06/16/2005 | WO2005055654A1 Transmit-receive switching in wireless hearing aids |
| 06/16/2005 | WO2005055460A1 Resonance frequency shift canceling in wireless hearing aids |
| 06/16/2005 | WO2005053800A1 Communication system using bone conduction speaker |
| 06/16/2005 | WO2005036921A3 Parametric loudspeaker system for isolated listening |
| 06/16/2005 | WO2005034574B1 Device for 3-dimensional acoustic reproduction using headphones |
| 06/16/2005 | US20050131558 Audio network distribution system |
| 06/16/2005 | US20050130716 Apparatus and method for providing sound in a mobile communication terminal |
| 06/16/2005 | US20050129263 Image display device |
| 06/16/2005 | US20050129256 Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources |
| 06/16/2005 | US20050129252 Audio presentations based on environmental context and user preferences |
| 06/16/2005 | US20050128431 Multi-directional adjustment devices for speaker mounts for eyeglass with MP3 player |
| 06/16/2005 | DE202005005095U1 USB loudspeaker system has acoustic decoding and processing system coupled to rechargeable battery power supply |
| 06/16/2005 | DE202005004919U1 Audio transmission device for transmitting low-frequency audio analog signals has a wanted signal cable system linked to signal output and pick-up units and a compensating cable system |
| 06/16/2005 | DE10313331B4 Verfahren zur Bestimmung einer Einfallsrichtung eines Signals einer akustischen Signalquelle und Vorrichtung zur Durchführung des Verfahrens A method for determining an incident direction of a signal of an acoustic signal source, and apparatus for carrying out the method |
| 06/16/2005 | CA2546874A1 Resonance frequency shift canceling in wireless hearing aids |
| 06/16/2005 | CA2526859A1 Communication system using bone conduction speaker |
| 06/15/2005 | EP1542502A2 Headphone with surround-sound effect |
| 06/15/2005 | EP1540992A2 Recreational bone conduction audio device, system |
| 06/15/2005 | EP1540988A1 Smart speakers |
| 06/15/2005 | CN2704989Y Multifunctional earphones |
| 06/15/2005 | CN1628488A Peer-based location determination |
| 06/15/2005 | CN1628484A Loudspeaker edge |
| 06/15/2005 | CN1627862A Acoustics system of multiple loudspeakers and automatic control method |
| 06/15/2005 | CN1627789A Versatile audio/video signal delivery system |
| 06/15/2005 | CN1627773A Apparatus for providing sound in a mobile communication terminal |
| 06/14/2005 | US6905000 Faceplate cover |
| 06/09/2005 | WO2005053356A1 Loudspeaker |
| 06/09/2005 | WO2005053354A1 Vsr surround tube headphone |
| 06/09/2005 | WO2005053352A1 Wireless earphone in earring type |
| 06/09/2005 | WO2005053351A1 U shape vibro woofer which is wearing on shoulder |
| 06/09/2005 | WO2005051255A1 Hearing protector |
| 06/09/2005 | WO2004070414A3 Audio interface device for public address systems |
| 06/09/2005 | US20050124414 Versatile audio/video signal delivery system |
| 06/09/2005 | US20050123151 Audio headband device |
| 06/09/2005 | US20050122439 Acoustic frame for flat screen television |
| 06/09/2005 | DE10354492A1 Einstelleinrichtung für eine Lautsprecheranlage in einem Fahrzeug sowie entsprechendes Einstellverfahren Adjusting for a speaker system in a vehicle as well as appropriate adjustment |
| 06/09/2005 | CA2588791A1 Vsr surround tube headphone |
| 06/09/2005 | CA2546859A1 Hearing protector |
| 06/08/2005 | CN2704173Y Circulating phonic earphone for computer 7.1 sound track |
| 06/08/2005 | CN2704172Y Earphone for telephone |
| 06/08/2005 | CN1205838C Sound guider for radio sound transmission |
| 06/08/2005 | CN1205836C Acoustic system and head held acoustic apparatus |
| 06/07/2005 | US6904154 Acoustic device |
| 06/02/2005 | WO2005051037A1 Sonic emitter arrangements |
| 06/02/2005 | US20050117762 Binaural sound localization using a formant-type cascade of resonators and anti-resonators |
| 06/02/2005 | US20050117761 Headphone apparatus |
| 06/02/2005 | DE202005003656U1 Headset with multiple functions have adjustment element arranged in housing with several adjustment holes corresponding to outer sound holes that can be brought into or out of alignment with outer sound holes |
| 06/02/2005 | DE10361041A1 Sound quality improvement for speaker of vehicle, by selecting standard sound range corresponding to detected number and positions of passengers in vehicle, then searching corresponding speaker angles and sound pressure output levels |
| 06/01/2005 | EP1536664A2 Car audio equipment |
| 06/01/2005 | EP1536663A1 Headset interface circuit |
| 06/01/2005 | EP1535397A1 Audio system with balance setting based on information addresses |
| 06/01/2005 | CN1622690A Folding electronic noise reduction earphone |
| 06/01/2005 | CN1622450A 放大器 Amplifier |
| 05/26/2005 | WO2005048649A1 Cable storage means |
| 05/26/2005 | WO2005027567A3 Headphone with behind-the-head headband |
| 05/26/2005 | WO2005002199A3 System and method for delivering audio-visual content along a customer waiting line |
| 05/26/2005 | US20050111687 Noise attenuating headset |
| 05/26/2005 | US20050111682 Transmit-receive switching in wireless hearing aids |
| 05/26/2005 | US20050111681 Resonance frequency shift canceling in wireless hearing aids |
| 05/26/2005 | US20050111675 Audio/video device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor |
| 05/26/2005 | US20050111671 Wireless digital transmission system for loudspeakers |
| 05/26/2005 | US20050111670 Stereo audio headset interface and method that is compatible with mono headsets |
| 05/26/2005 | US20050110574 Amplifier |
| 05/25/2005 | EP1534045A2 Adjustment device for an audio device in a vehicle and corresponding adjustment method |
| 05/25/2005 | EP1532838A2 Electro-dynamic planar loudspeakers |
| 05/25/2005 | EP1532749A2 Portable audio playback device with bass enhancement |
| 05/25/2005 | EP1532734A2 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 05/25/2005 | DE19839250B4 Audiosignalausgabeapparat für simultane Ausgabe von unterschiedlichen Audiosignalen, die in einem Multiplex-Audiosignal enthalten sind, über Lautsprecher und Kopfhörer Audio signal output apparatus for simultaneous output of different audio signals, which are contained in a multiplexed audio signal through speakers and headphones |
| 05/25/2005 | CN2702567Y A sound box frequency divider with three frequency-division |
| 05/25/2005 | CN2702565Y Multiple sound tracks ultra-thin wall painting sound box |
| 05/25/2005 | CN2702372Y 7.1 sound track surround sound ear phone with USB interface |
| 05/25/2005 | CN1620327A Sound data output and manipulation using haptic feedback |
| 05/25/2005 | CN1620196A Sound reproducing apparatus and sound reproducing method |
| 05/25/2005 | CN1620191A Loudspeaker for andiofrequency device |
| 05/25/2005 | CN1618662A Method of improving speaker sound quality in vehicle by controlling speaker angle |
| 05/24/2005 | US6898173 Recording and playback of multi-channel digital audio having different resolutions for different channels |
| 05/19/2005 | WO2005046287A1 Multi-channel audio surround sound from front located loudspeakers |
| 05/19/2005 | WO2005046286A1 Methods and apparatus to extract codes from a plurality of channels |
| 05/19/2005 | WO2005044140A2 Noise attenuating headset |
| 05/19/2005 | WO2004112423A3 Headphones for 3d sound |
| 05/19/2005 | US20050107900 Portable computer adapted for use with a loudspeaker unit to reproduce audio playback information with surround sound effects |
| 05/19/2005 | US20050105755 Modified earphone structure having closable opening |
| 05/19/2005 | US20050105754 Portable audio player |
| 05/19/2005 | US20050105748 Integrated flexible display and speaker apparatus and method |
| 05/19/2005 | US20050105747 Card sound device and electronic apparatus having same |