| Patents for H04R 3 - Circuits for transducers (18,190) |
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| 07/12/2007 | US20070160235 Preamplifier arrangement for a drum microphone |
| 07/12/2007 | US20070160234 Microphone with voltage pump |
| 07/12/2007 | US20070160233 Loudspeaker |
| 07/12/2007 | US20070160228 Audio signal input and output apparatus |
| 07/12/2007 | US20070160221 System for predicting the behavior of a transducer |
| 07/12/2007 | CA2635293A1 Media data synchronization in a wireless network |
| 07/11/2007 | EP1806952A2 Acoustic location and acoustic signal enhancement |
| 07/11/2007 | EP1806030A1 System and method for adaptive microphone matching in a hearing aid |
| 07/11/2007 | EP1806029A1 Vented loudspeaker box system and its control method |
| 07/11/2007 | EP1806028A1 Automatic audio level control |
| 07/11/2007 | EP1806027A1 Loudspeaker feedback |
| 07/11/2007 | EP1805890A1 Speed- and user-dependent timbre and dynamic range control method, apparatus and system for automotive audio reproduction systems |
| 07/11/2007 | CN1998263A Noise canceling microphone with acoustically tuned ports |
| 07/11/2007 | CN1998262A Audio reproduction system |
| 07/10/2007 | US7242781 Null adaptation in multi-microphone directional system |
| 07/05/2007 | WO2007074624A1 Switching controller and reproduction device |
| 07/05/2007 | WO2007074245A2 System for wirelessly distributing an audio signal between a plurality of active loudspeakers |
| 07/05/2007 | WO2007073818A1 System and method for separation of a user’s voice from ambient sound |
| 07/05/2007 | US20070154036 Electrostatic ultrasonic transducer drive control method, electrostatic ultrasonic transducer, ultrasonic speaker using the same, audio signal reproduction method, ultra-directional acoustic system, and display device |
| 07/05/2007 | US20070154035 Electrostatic ultrasonic transducer, ultrasonic speaker, sound signal reproducing method, ultra directional acoustic system and display device |
| 07/05/2007 | US20070154031 System and method for utilizing inter-microphone level differences for speech enhancement |
| 07/05/2007 | DE202006002942U1 Adapter für Mikrofone Adapter for Microphones |
| 07/04/2007 | EP1804549A2 Signal processing system and method for calibrating channel signals supplied from an array of sensors having different operating characteristics |
| 07/04/2007 | EP1803321A2 Method and apparatus for intelligent acoustic signal processing in accordance with a user preference |
| 07/04/2007 | EP1206896A4 Audio speaker system for personal computer |
| 07/04/2007 | EP1190597A4 Voice-to-remaining audio (vra) interactive hearing aid & auxiliary equipment |
| 07/04/2007 | CN1994019A Input signal dependent signal conditioning |
| 07/04/2007 | CN1992994A Portable speaker of portable multimedia device |
| 07/04/2007 | CN1992993A Integrated apparatus and method of loudspeaker |
| 07/03/2007 | US7240232 Connection device capable of converting a pixel clock to a character clock |
| 07/03/2007 | CA2322809C Personal sound masking system |
| 06/28/2007 | WO2007073341A2 Digital feedback to improve the sound reproduction of an electro-dynamic loudspeaker |
| 06/28/2007 | WO2007072757A1 Sound emission and collection device |
| 06/28/2007 | WO2007024958A3 Noise mitigating microphone system and method |
| 06/28/2007 | WO2006121896A3 Microphone array based selective sound source listening and video game control |
| 06/28/2007 | US20070147640 Audio accessory and method |
| 06/28/2007 | US20070147638 Apparatus to remove a voice signal and method thereof |
| 06/28/2007 | US20070147637 Arrangement for placing a frequency converter in a cabinet |
| 06/28/2007 | US20070147636 Acoustics correcting apparatus |
| 06/28/2007 | US20070147634 Cluster of first-order microphones and method of operation for stereo input of videoconferencing system |
| 06/28/2007 | US20070147633 Listening device with two or more microphones |
| 06/28/2007 | US20070147632 Recording device and adjustment method of recording device |
| 06/28/2007 | US20070147623 Apparatus to generate multi-channel audio signals and method thereof |
| 06/27/2007 | EP1802164A1 Signal amplifying circuit and acceleration sensor having the same |
| 06/27/2007 | EP1800517A1 Device and method for controlling a public address system, and a corresponding public address system |
| 06/27/2007 | CN1989784A Sound enhancement |
| 06/27/2007 | CN1988734A Audio system with varying time delay and method for processing audio signals |
| 06/27/2007 | CN1988733A Wireless earphone capable of remote control portable information processor |
| 06/26/2007 | US7236599 Generating separate analog audio programs from a digital link |
| 06/21/2007 | WO2007069150A1 Device for and method of processing an audio data stream |
| 06/21/2007 | WO2007068500A1 Control circuitry for providing an interface between connectable terminal and peripheral device circuitry |
| 06/21/2007 | US20070142945 Interactive Sound Reproducing |
| 06/21/2007 | US20070140518 Method, device and system for altering the reverberation time of a room |
| 06/21/2007 | US20070140509 Structure for mounting multifuctional vibrating actuator on circuit board |
| 06/21/2007 | US20070140505 Method and apparatus for masking acoustic keyboard emanations |
| 06/21/2007 | US20070140504 Method and apparatus for masking acoustic keyboard emanations |
| 06/21/2007 | US20070139238 Input signal dependent signal conditioning |
| 06/21/2007 | DE19715498B4 Stereoklangbildverbesserungsvorrichtungen und -verfahren unter Verwendung von Tabellen Stereo image enhancement devices and procedures using tables |
| 06/21/2007 | DE102005061018A1 Connection testing device and method for loudspeakers in audio system as in a motor vehicle and data carrier has test signal generator with condition monitor and correlation of actual and ideal values |
| 06/21/2007 | DE102005061000A1 Signalverarbeitung für Hörgeräte mit mehreren Kompressionsalgorithmen Signal processing for hearing aids with multiple compression algorithms |
| 06/20/2007 | EP1799010A1 Acoustic apparatus and telephone conversation apparatus |
| 06/20/2007 | EP1428411B1 Method and device for controlling the bass reproduction of audio signals in electroacoustic transducers |
| 06/20/2007 | CN2914551Y Signal transmission apparatus |
| 06/20/2007 | CN2914544Y Magnetic suspension sound box and substrate |
| 06/20/2007 | CN2914538Y Incoming call vibration earphone |
| 06/20/2007 | CN2914536Y Sound box with radio receiving function |
| 06/20/2007 | CN1985497A Information outputting device, information output controlling method, and information output controlling program |
| 06/20/2007 | CN1984506A 信号选择电路及程序 Signal selection circuit and program |
| 06/20/2007 | CN1983806A Signal processing apparatus and signal processing method |
| 06/14/2007 | WO2007066570A1 Sound collection/reproduction method and device |
| 06/14/2007 | WO2007066378A1 Sound signal processing device, method of processing sound signal, sound reproducing system, method of designing sound signal processing device |
| 06/14/2007 | US20070136050 System and method for audio signal processing |
| 06/14/2007 | US20070135740 Simulated wave massage |
| 06/14/2007 | US20070133949 In-vehicle information reproducing apparatus |
| 06/14/2007 | US20070133827 Vehicle Accessory Microphone |
| 06/14/2007 | US20070133826 Digital microphone interface, audio codec and methods for use therewith |
| 06/14/2007 | US20070133824 Audio mixer |
| 06/14/2007 | US20070133821 Information processing apparatus including a speaker, and method of controlling volume of audio output from the speaker |
| 06/14/2007 | US20070133816 Sound masking system |
| 06/14/2007 | DE102005058629A1 Digitaler Schall-Wandler Digital sound transducer |
| 06/13/2007 | EP1796430A1 Music content reproduction device |
| 06/13/2007 | EP1796429A1 Loudspeaker directivity control method and audio reproduction device |
| 06/13/2007 | EP1796427A1 Hearing device with virtual sound source |
| 06/13/2007 | EP1796424A1 Audio/visual data communication system, audio/visual data transmitting apparatus, and audio/visual data reproducing apparatus |
| 06/13/2007 | EP1795398A1 In-vehicle information reproducing apparatus |
| 06/13/2007 | EP1592282B1 Teleconferencing method and system |
| 06/13/2007 | CN1980490A Audio-frequency signal processing module |
| 06/13/2007 | CN1980489A Method and system for increasing sound system out-put sound quality |
| 06/13/2007 | CN1980488A Method for controlling sound output |
| 06/13/2007 | CN1980484A In-vehicle information reproducing apparatus |
| 06/12/2007 | US7231656 Audiovisual reproduction system |
| 06/12/2007 | US7231037 Active audio compressing in telecommunication |
| 06/12/2007 | US7231036 Anti-howling circuit detecting howling from effect of predicted echo signal |
| 06/12/2007 | US7230230 Apparatus for adjusting a signal and prohibiting adjustment of the signal based on a position of a movable member |
| 06/12/2007 | CA2229998C Acoustic device |
| 06/07/2007 | WO2007063772A1 Signal transmitting apparatus, method thereof, and audio apparatus |
| 06/07/2007 | WO2007062840A1 Method for recording and reproducing a sound source with time-variable directional characteristics |
| 06/07/2007 | WO2007040769A3 System and method of audio detection |
| 06/07/2007 | US20070127761 Microphone comprising integral multi-level quantizer and single-bit conversion means |
| 06/07/2007 | US20070127753 Systems and methods for interference suppression with directional sensing patterns |