| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 09/03/2009 | WO2009107750A1 Acoustic echo canceler |
| 09/03/2009 | DE102005061000B4 Signalverarbeitung für Hörgeräte mit mehreren Kompressionsalgorithmen Signal processing for hearing aids with multiple compression algorithms |
| 09/03/2009 | CA2812005A1 Stackable communications system |
| 09/02/2009 | EP2095678A1 Signal processing using spatial filter |
| 09/02/2009 | CN101521015A Method for reducing sound echo, relevant echo eliminating device and speech device |
| 09/01/2009 | US7583806 Convertible automobile sound system equalizing |
| 08/27/2009 | WO2009104862A1 Chair and multimedia player comprising sound transmission apparatus performing human-body communications |
| 08/27/2009 | WO2009104252A1 Sound processor, sound processing method and sound processing program |
| 08/27/2009 | WO2009104225A1 Digital microphone |
| 08/27/2009 | WO2009103357A1 Method and device for providing an improved music experience |
| 08/27/2009 | US20090214056 Sound quality adjustment device |
| 08/27/2009 | US20090214053 Position determination of sound sources |
| 08/27/2009 | US20090214052 Speech separation with microphone arrays |
| 08/27/2009 | US20090214050 Audio output apparatus and audio output method |
| 08/26/2009 | EP2094027A1 Integrated circuit device, voice input device and information processing system |
| 08/26/2009 | EP2092788A1 Signal processing system and method |
| 08/26/2009 | EP2092787A2 System and method for compensating memoryless non-linear distortion of an audio transducer |
| 08/26/2009 | EP1872620B9 Apparatus and method for controlling a plurality of loudspeakers by means of a graphic user interface |
| 08/26/2009 | EP1563555A4 Applications of nano-enabled large area macroelectronic substrates incorporating nanowires and nanowire composites |
| 08/26/2009 | EP1464048B1 Translation device with planar microphone array |
| 08/26/2009 | CN201298914Y On-board audifier supporting MOST bus connection |
| 08/26/2009 | CN201296224Y Automotive anti-collision alarm system based on a virtual instrument |
| 08/26/2009 | CN101518098A Controller and user interface for dialogue enhancement techniques |
| 08/26/2009 | CN101518037A Audio teleconference device and audio teleconference system |
| 08/26/2009 | CN101516051A Listening system with an improved feedback cancellation system, a method and use |
| 08/26/2009 | CN101516050A Crackle eliminator and sound output system using same |
| 08/26/2009 | CN100534223C Acoustics system of multiple loudspeakers and automatic control method |
| 08/26/2009 | CN100534222C Speaker device |
| 08/26/2009 | CN100534220C Audio device and headphone |
| 08/26/2009 | CN100534001C Sound collecting method and sound collecting device |
| 08/25/2009 | US7580762 Microphone with ultrasound/audible mixing chamber to secure audio path |
| 08/25/2009 | US7580735 Condenser microphone |
| 08/25/2009 | US7580532 Multi-channel pulse width modulation apparatus |
| 08/25/2009 | US7580530 Audio characteristic correction system |
| 08/25/2009 | US7579958 Audio power meter |
| 08/20/2009 | WO2009102750A1 Stereophonic widening |
| 08/20/2009 | WO2009101778A1 Audio reproduction device and audio and video reproduction system |
| 08/20/2009 | US20090208030 Customizability digital sound relaxation system |
| 08/20/2009 | DE202009007080U1 Anpaßschaltung zum Betrieb von Headsets mit aktivem Mikrofon an Funkgeräten mit Standard Norm Matching circuit for operating headset with microphone to active wireless devices with standard norm |
| 08/20/2009 | DE202009006103U1 Rückwirkungsfreier, elektromechanischer Lautstärkesteller für Lautsprecher in pilottonüberwachten elektroakustischen Gefahrenmeldesystemen Reactionless, electromechanical volume control for speakers in pilottonüberwachten electroacoustic hazard detection systems |
| 08/19/2009 | CN201294629Y Active electrostatic loudspeaker |
| 08/19/2009 | CN201294624Y Moving-coil type horn of vehicle |
| 08/19/2009 | CN201294619Y Radio type earphone |
| 08/19/2009 | CN201294488Y Sound amplifier capable of reducing DC servo-circuit noise into main amplifier |
| 08/19/2009 | CN201294487Y Low noise DC servo circuit |
| 08/19/2009 | CN101513056A Audio conference apparatus and audio conference system |
| 08/19/2009 | CN101512374A Sound source position detector |
| 08/19/2009 | CN101511050A Hearing-aid device and method for eliminating acoustic feedback |
| 08/19/2009 | CN101511046A Audio play apparatus and process capable of eliminating popping |
| 08/19/2009 | CN100531450C Feed back type active noise eliminating earpiece |
| 08/19/2009 | CN100530998C Echo Eliminator with echo path change detector |
| 08/18/2009 | US7577266 Systems and methods for interference suppression with directional sensing patterns |
| 08/18/2009 | US7577262 Microphone device and audio player |
| 08/18/2009 | US7577260 Method and apparatus to direct sound |
| 08/18/2009 | CA2482798C Virtual speaker demonstration system and virtual noise simulation |
| 08/18/2009 | CA2261505C Ultrasonic generator with supervisory control circuitry |
| 08/13/2009 | WO2009099639A2 Improved magnetic circuit for electrodynamic moving voice coil actuators |
| 08/13/2009 | US20090202087 Wireless Microphone Device |
| 08/12/2009 | EP2088802A1 Method of estimating weighting function of audio signals in a hearing aid |
| 08/12/2009 | EP1159853B1 Method for shaping the spatial reception amplification characteristic of a converter arrangement and converter arrangement |
| 08/12/2009 | CN101507291A Intercom device and wiring system using the same |
| 08/12/2009 | CN101505443A Virtual supper bass enhancing method and system |
| 08/12/2009 | CN101505442A Method for solving earphone noise of dual card GSM mobile communication terminal |
| 08/11/2009 | US7574011 Detection device |
| 08/11/2009 | US7574009 Method and apparatus for controlling the reproduction in audio signals in electroacoustic converters |
| 08/11/2009 | US7574005 Howling frequency component emphasis method and apparatus |
| 08/11/2009 | US7572971 Sound system and method for creating a sound event based on a modeled sound field |
| 08/06/2009 | WO2009097417A1 Improving sound quality by intelligently selecting between signals from a plurality of microphones |
| 08/06/2009 | WO2009097413A1 Enhanced blind source separation algorithm for highly correlated mixtures |
| 08/06/2009 | WO2009097407A1 Signaling microphone covering to the user |
| 08/06/2009 | WO2009096958A1 Noise suppressor system and method |
| 08/06/2009 | WO2009096657A1 Sound system, sound reproducing apparatus, sound reproducing method, monitor with speakers, mobile phone with speakers |
| 08/06/2009 | WO2009096656A1 Sound system, sound reproducing apparatus, sound reproducing method, monitor with speakers, mobile phone with speakers |
| 08/06/2009 | WO2009095965A1 Band-splitting time compensation signal processing device |
| 08/06/2009 | CA2705805A1 Signaling microphone covering to the user |
| 08/05/2009 | EP2086249A2 Howling suppression apparatus and computer readable recording medium |
| 08/05/2009 | CN201286083Y Audio power amplifying circuit and television set having the circuit |
| 08/05/2009 | CN101502129A Sound collection device |
| 08/05/2009 | CN101499783A Gain automatic regulating circuit and electronic product using the same |
| 08/05/2009 | CN100525509C Automatic wind noise reduction circuit and method thereof |
| 08/05/2009 | CN100525103C Filtering apparatus |
| 08/05/2009 | CN100524466C Echo elimination device for microphone and method thereof |
| 08/04/2009 | US7570770 Mixing apparatus for audio data, method of controlling the same, and mixing control program |
| 08/04/2009 | US7570769 Air leak self-diagnosis for a communication device |
| 08/04/2009 | CA2404863C Method for providing the transmission characteristics of a microphone arrangement and microphone arrangement |
| 07/30/2009 | WO2009094390A2 Automatic gain control for implanted microphone |
| 07/30/2009 | WO2009093866A2 A method and an apparatus for processing an audio signal |
| 07/30/2009 | WO2009093702A1 Acoustic device and acoustic control device |
| 07/30/2009 | WO2009093416A1 Sound signal processing device and method |
| 07/30/2009 | WO2009066290A3 Digital speaker apparatus |
| 07/30/2009 | US20090190780 Systems, methods, and apparatus for context processing using multiple microphones |
| 07/30/2009 | US20090190777 Microphone arrangement having more than one pressure gradient transducer |
| 07/30/2009 | US20090190776 Synthesizing a microphone signal |
| 07/30/2009 | US20090190775 Microphone arrangement comprising pressure gradient transducers |
| 07/30/2009 | US20090190774 Enhanced blind source separation algorithm for highly correlated mixtures |
| 07/30/2009 | US20090190772 Method for processing sound data |
| 07/30/2009 | DE10249416B4 Verfahren zum Einstellen und zum Betrieb eines Hörhilfegerätes sowie Hörhilfegerät A method for setting and for operating a hearing aid device, as well as hearing aid |
| 07/29/2009 | EP1377205B1 Personalized information distribution system |
| 07/29/2009 | CN101496417A Voice conference system |
| 07/29/2009 | CN101494810A Sound play device and method |