| Patents for H04R 5 - Stereophonic arrangements (11,598) |
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| 07/08/2004 | US20040131202 Stereo imaging manifold and method for use in a portable electronic device |
| 07/08/2004 | DE202004006828U1 Loudspeakers for use with a laptop computer are shaped to fit onto the corners of the display screen |
| 07/08/2004 | DE10359038A1 Multimediasystem mit zuvor gespeicherten Entzerrungseinstellungen für mehrere Fahrzeugumgebungen Multimedia system with previously stored equalizer settings for multiple vehicle environments |
| 07/08/2004 | DE10358643A1 Abdeckung für Wandler in der Deckenverkleidung eines Fahrzeugs Cover for transducers used in the ceiling panel of a vehicle |
| 07/07/2004 | EP1435755A2 Speaker system having a front speaker integrated with a reflection-type surround speaker |
| 07/07/2004 | CN2624553Y Acoustic image device with wireless earphone |
| 07/07/2004 | CN2624499Y Charging seat structure for mobile phone or PDA |
| 07/07/2004 | CN1157057C Loudspeaker device with acoustic lenses for video apparatus |
| 07/06/2004 | US6760460 Speaker system for display |
| 07/06/2004 | US6760456 Planar speaker for multimedia laptop PCs |
| 07/06/2004 | US6760450 Microphone array apparatus |
| 07/06/2004 | US6760447 Sound recording and reproduction systems |
| 07/06/2004 | US6760446 Point source speaker system |
| 07/06/2004 | US6758303 Electronic device having a multi-mode acoustic system and method for radiating sound waves |
| 07/01/2004 | WO2004055820A1 Method and circuit for operating a storage device |
| 07/01/2004 | US20040126512 Structural improvement for sound case |
| 07/01/2004 | US20040125976 Headphones or earmuffs with a user operated mechanical device that controls the volume of exterior sound entering the ear of the user |
| 07/01/2004 | US20040125971 Combination loudspeaker unit |
| 07/01/2004 | US20040125964 In-Line Audio Signal Control Apparatus |
| 07/01/2004 | US20040125958 Headphone for wireless use with authentication/encryption |
| 07/01/2004 | US20040125694 Acoustic device |
| 07/01/2004 | DE19645307B4 Kopfhörer/Hörhilfe Headphone / hearing aid |
| 06/30/2004 | EP1391136A4 Matching an acoustic driver to an acoustic load in an acoustic resonant system |
| 06/30/2004 | CN1509118A Directional electro-acoustic convertor |
| 06/29/2004 | US6757393 Wall-hanging entertainment system |
| 06/24/2004 | WO2004054313A2 Personalized surround sound headphone system |
| 06/24/2004 | US20040120541 Inner panel and loudspeaker apparatus |
| 06/24/2004 | US20040120536 Headliner transducer covers |
| 06/24/2004 | US20040120534 Headphone automatic gain control system |
| 06/23/2004 | EP1186202A4 An underwater audio system |
| 06/23/2004 | CN1507701A Parametric virtual speaker and surround-sound system |
| 06/22/2004 | US6754546 Electronic audio connection system and methods for providing same |
| 06/17/2004 | WO2004052050A1 Personal communication method and apparatus with acoustic stray field cancellation |
| 06/17/2004 | WO2004052049A1 Stereo signal communication using bluetooth transceivers in earpieces |
| 06/17/2004 | WO2004001552A3 Identification system and method for recognizing any one of a number of different types of devices |
| 06/17/2004 | US20040114777 Electroacoustic conversion of audio signals, especially voice signals |
| 06/17/2004 | US20040114771 Multimedia system with pre-stored equalization sets for multiple vehicle environments |
| 06/17/2004 | US20040114770 Directed acoustic sound system |
| 06/17/2004 | DE202004005810U1 Ball shaped microphone is suspended from ceiling and has microphone capsule distributed around internal surface |
| 06/17/2004 | DE10254404A1 Audiowiedergabesystem und Verfahren zum Wiedergeben eines Audiosignals The audio reproduction system and method for reproducing an audio signal |
| 06/16/2004 | CN1505439A Improvements in and relating to audio devices |
| 06/15/2004 | US6751333 Inertial vibration transducers |
| 06/10/2004 | WO2004049753A1 Multi-channel headphone |
| 06/10/2004 | WO2003034782A3 Modular headset for cellphone or mp3 player |
| 06/10/2004 | US20040109576 Multi-channel earphone module |
| 06/10/2004 | US20040109575 Vehicle audio system with directional sound and reflected audio imaging for creating a personal sound stage |
| 06/10/2004 | CA2542517A1 Speaker system |
| 06/09/2004 | EP1427254A2 Electroacoustical transducing with low frequency aufmenting devices |
| 06/09/2004 | EP1427253A2 Directional electroacoustical transducing |
| 06/09/2004 | EP1425936A2 Device for playing back audio signals and method for modifying filter data |
| 06/09/2004 | EP1240805B1 Method and arrangement for recording and playing back sounds |
| 06/09/2004 | CN1502897A Integrated air conditioner with loudspeaker |
| 06/09/2004 | CN1502896A Outdoor unit for air conditioner with loudspeaker |
| 06/09/2004 | CN1502895A Air conditioner with loudspeaker |
| 06/09/2004 | CN1502886A Integrated air conditioner with loudspeaker |
| 06/09/2004 | CN1153505C Cross complementing sound box with low distortion in lower limitation of cavity frequency |
| 06/08/2004 | US6748087 Headset with ear cushion and means for limiting the compression of the cushion |
| 06/03/2004 | WO2004047485A1 Audio playback system and method for playing back an audio signal |
| 06/03/2004 | WO2003073813A9 Dual mono center channel |
| 06/03/2004 | US20040107016 [computer including hi-fi stereo] |
| 06/03/2004 | US20040106392 Play-back device |
| 06/03/2004 | US20040105559 Electroacoustical transducing with low frequency augmenting devices |
| 06/02/2004 | EP1423985A2 Speaker equalization tool |
| 06/02/2004 | EP1238567B1 Method for fixing the hifi position of an audio system |
| 06/02/2004 | CN1502215A Method of deriving a head-related transfer function |
| 06/02/2004 | CN1501747A Embedding plate and loudspeaker apparatus |
| 06/02/2004 | CN1152600C Full-band loudspeaker |
| 06/01/2004 | US6744901 Headphone |
| 06/01/2004 | US6744898 Passenger seat with built-in speakers and audio system therefor |
| 05/27/2004 | WO2004044895A1 Method and apparatus for generating audio components |
| 05/27/2004 | US20040100275 Apparatus for detecting connection state between stereo earphone plug and corresponding jack of mobile communication terminal |
| 05/27/2004 | US20040100123 Speaker mounted in recreational vehicle |
| 05/27/2004 | DE202004004889U1 Earpiece for headphone or ear protection, whose structure contains integral, injection moulded loudspeaker support plate for rapid fitting of batteries and loudspeaker, with ear piece |
| 05/27/2004 | DE202004004795U1 Loudspeaker arrangement for notebook computer, includes console with space for accommodating section of monitor frame |
| 05/27/2004 | DE10324640B3 Mounting device for loudspeaker in automobile passenger compartment, e.g. for hands-free telephone, allowing loudspeaker movement between stowed position and working position |
| 05/26/2004 | CN1151705C Method and apparatus for encoding and decoding multiple audio channels at low bit rates |
| 05/26/2004 | CN1151700C Earphone system with operabilityn inproved terminal equipment system with earphone system |
| 05/25/2004 | US6741719 Head phone |
| 05/25/2004 | US6741708 Acoustic system comprised of components connected by wireless |
| 05/25/2004 | US6741706 Audio signal processing method and apparatus |
| 05/25/2004 | US6741273 Video camera controlled surround sound |
| 05/25/2004 | US6740805 Sound system and method for creating a sound event based on a modeled sound field |
| 05/25/2004 | US6739424 Speaker system |
| 05/21/2004 | WO2004043127A1 Electronic device having a multi-mode acoustic system and method for radiating sound waves |
| 05/21/2004 | WO2004043055A2 A consumer electronics device |
| 05/21/2004 | WO2004042880A1 Improvements in and relating to audio devices |
| 05/20/2004 | US20040096074 Method and apparatus for auto-detection of speakers connected to a home theater system |
| 05/20/2004 | US20040096073 Portable multi-channel amplifier |
| 05/20/2004 | US20040096066 Sound system and method for creating a sound event based on a modeled sound field |
| 05/19/2004 | EP1419672A2 Listening device |
| 05/19/2004 | DE10251164A1 Wireless energy transmission device for loudspeaker power supply, transmits energy in form of electromagnetic waves to receiver such as solar cell connected to battery |
| 05/19/2004 | DE10249082B3 Kopfhörer Headphone |
| 05/19/2004 | CN1498031A Radio headphone with socket |
| 05/18/2004 | US6738318 Audio reproduction system which adaptively assigns different sound parts to different reproduction parts |
| 05/13/2004 | WO2004040941A1 Multichannel headphones |
| 05/13/2004 | US20040091124 Audio devices |
| 05/13/2004 | US20040091121 Headphone driving circuit |
| 05/13/2004 | DE10144787B4 Fahrzeug mit einem Schallabstrahlelement Vehicle with a Schallabstrahlelement |
| 05/12/2004 | EP1418791A2 Improvements in and relating to audio devices |
| 05/12/2004 | EP1226572A4 Sound system and method for creating a sound event based on a modeled sound field |