| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 12/30/2009 | CN201374806Y Device for automatically regulating volume |
| 12/30/2009 | CN201374680Y Audio power amplifier |
| 12/30/2009 | CN101616351A Noise reduction audio reproducing device and noise reduction audio reproducing method |
| 12/30/2009 | CN100576952C Clip state display method and clip state display apparatus |
| 12/29/2009 | US7639827 Hearing system which is responsive to acoustical feedback |
| 12/24/2009 | US20090316936 Pulse detection apparatus, method for manufacturing the same and connector unit |
| 12/24/2009 | US20090316935 Digital microphone |
| 12/23/2009 | WO2009155255A1 An acoustical measuring/estimation device |
| 12/23/2009 | WO2009154981A2 Mems microphone array on a chip |
| 12/23/2009 | WO2009154257A1 Howling canceller and howling cancellation method |
| 12/23/2009 | WO2009154067A1 Digital speaker driving device |
| 12/23/2009 | WO2009153053A1 Apparatus, method and computer program for localizing a sound source |
| 12/23/2009 | WO2009126410A3 Integrated latency detection and echo cancellation |
| 12/23/2009 | EP1711030B1 Speaker apparatus |
| 12/23/2009 | CN201369813Y Audio power amplification circuit with constant output power selectability |
| 12/23/2009 | CN201369777Y On-off noise elimination circuit of LCD (liquid crystal display) TV |
| 12/23/2009 | CN101611634A MEMS microphone device |
| 12/23/2009 | CN101610440A Electronic device |
| 12/23/2009 | CN101610439A Electronic device |
| 12/23/2009 | CN100574517C Audio mixer apparatus and parameter setting method for the apparatus |
| 12/23/2009 | CN100574514C Method and apparatus for determining a nonlinear response function for a loudspeaker |
| 12/23/2009 | CN100574350C Microphone circuit having adjustable directivity pattern for reducing loudspeaker feedback and method of operating the same |
| 12/22/2009 | US7636514 Image pick-up device including recording and reproducing capabilities |
| 12/17/2009 | WO2009151062A1 Acoustic echo canceller and acoustic echo cancel method |
| 12/17/2009 | US20090310801 Microphone, Flexible Boom and Stand |
| 12/17/2009 | US20090310797 Wind noise rejection apparatus |
| 12/16/2009 | EP2134105A1 Audio processing device and method of performing frequency characteristic correction processing for an audio input signal |
| 12/16/2009 | EP2134081A1 Effect device, av processing device and program |
| 12/16/2009 | EP2132955A1 Small-footprint microphone module with signal processing functionality |
| 12/16/2009 | CN201365333Y Antistatic SRS sound effect circuit |
| 12/16/2009 | CN101605287A Integrated circuit used for providing microphone interface |
| 12/15/2009 | US7634096 Amplifier circuit for capacitive transducers |
| 12/15/2009 | CA2594362C Directional audio signal processing using an oversampled filterbank |
| 12/15/2009 | CA2498444C High precision beamsteerer based on fixed beamforming approach beampatterns |
| 12/10/2009 | WO2009149119A1 Systems, methods, and apparatus for multichannel signal balancing |
| 12/10/2009 | WO2009148311A2 Sound reproduction system, carrier, method for generating a correction profile and sound reproduction method |
| 12/10/2009 | WO2009148049A1 Acoustic echo canceller and acoustic echo cancel method |
| 12/10/2009 | CA2726909A1 Sound reproduction system, carrier, method for generating a correction profile and sound reproduction method |
| 12/09/2009 | EP1317871B8 Improved directional microphone system |
| 12/09/2009 | CN201360305Y Mega bass unit structure and television with same |
| 12/09/2009 | CN101600132A Method and device for adjusting audio file play effect on portable handheld device |
| 12/09/2009 | CN100569008C System and method for vehicle audio surround modes |
| 12/09/2009 | CN100569007C Improved signal localization device |
| 12/09/2009 | CN100568936C Video sound output device and external loudspeaker controller |
| 12/09/2009 | CN100568020C Ultrasonic sensor |
| 12/08/2009 | US7630505 Loudspeaker system |
| 12/08/2009 | US7630504 Microphone comprising integral multi-level quantizer and single-bit conversion means |
| 12/08/2009 | US7630503 Detecting acoustic echoes using microphone arrays |
| 12/08/2009 | US7630502 Method for optimal microphone array design under uniform acoustic coupling constraints |
| 12/08/2009 | US7630501 System and method for calibration of an acoustic system |
| 12/03/2009 | WO2009145511A2 Wireless microphone |
| 12/03/2009 | WO2009145192A1 Voice detection device, voice detection method, voice detection program, and recording medium |
| 12/03/2009 | WO2009145096A1 Audio input device, method for manufacturing the same, and information processing system |
| 12/03/2009 | WO2009144781A1 Audio reproduction device |
| 12/03/2009 | WO2009144774A1 Behind-the-ear hearing aid with microphone mounted in opening of ear canal |
| 12/03/2009 | US20090296962 Impulse Response Processing Apparatus and Reverberation Imparting Apparatus |
| 12/03/2009 | US20090296957 Sound system and method for creating a sound event based on a modeled sound field |
| 12/03/2009 | US20090296954 Method and apparatus to direct sound |
| 12/02/2009 | EP2129064A2 Wireless audio transmitting apparatus; speaker and system and controlling method thereof |
| 12/02/2009 | EP2127465A1 Wind noise rejection apparatus |
| 12/02/2009 | EP1145593B1 Loudspeaker protection system having frequency band selective audio power control |
| 12/02/2009 | CN101594563A Sound generating device |
| 12/02/2009 | CN101592973A Regulating device and audio amplifier |
| 12/02/2009 | CN100566160C Message amplifying unit and method for preventing sonic boom |
| 12/02/2009 | CN100564106C Vehicular audio apparatus and tone generating method |
| 12/01/2009 | US7627129 Apparatus and method for suppressing feedback |
| 12/01/2009 | CA2477024C Voice matching system for audio transducers |
| 11/26/2009 | WO2009143434A2 Wide dynamic range microphone |
| 11/26/2009 | WO2009142250A1 Integrated circuit device, sound inputting device and information processing system |
| 11/26/2009 | WO2009142249A1 Voice input device and manufacturing method thereof, and information processing system |
| 11/26/2009 | US20090290729 Categorization platform, method for categorization and method for microphone array manufacturing |
| 11/26/2009 | DE10010037B4 Verfahren zur Rekonstruktion tieffrequenter Sprachanteile aus mittelhohen Frequenzanteilen Method for reconstructing low-frequency speech components from medium-high frequency components |
| 11/25/2009 | EP2124478A1 Delay time calculation apparatus, delay time calculation method, and storage medium storing program therefor |
| 11/25/2009 | EP2123116A1 Multi-sensor sound source localization |
| 11/25/2009 | EP2123108A1 A device for and a method of processing audio data |
| 11/25/2009 | EP2123107A1 Acoustic reproduction device and method for reproducing an acoustic signal |
| 11/25/2009 | EP2123106A1 Loudspeaker apparatus for radiating acoustic waves in a hemisphere |
| 11/25/2009 | EP1307761B1 Method for localising direction and localisation arrangement |
| 11/25/2009 | CN201352305Y Exclusive electronic alarm clock |
| 11/25/2009 | CN101589628A Ambient noise reduction |
| 11/25/2009 | CN101588527A Portable electronic device, sound source processing device and sound source processing method |
| 11/25/2009 | CN101588524A Directionally adjustable miniature audio frequency directional loudspeaker |
| 11/25/2009 | CN101587674A Outdoor directional sound advertising device |
| 11/25/2009 | CN100563380C Acoustic apparatus and acoustic setting method |
| 11/24/2009 | US7623669 Simplified amplifier providing sharing of music with enhanced spatial presence through multiple headphone jacks |
| 11/19/2009 | WO2009138754A1 Anti-feedback device |
| 11/19/2009 | WO2009119989A3 Vibration apparatus for bone conduction |
| 11/19/2009 | WO2008100919A3 Method and apparatus for conserving battery power |
| 11/19/2009 | US20090285423 Method and device for matching the phases of microphone signals of a directional microphone of a hearing aid |
| 11/19/2009 | US20090285415 Interfacing circuit for a removable microphone |
| 11/19/2009 | US20090285414 Audio processing method and system |
| 11/19/2009 | US20090285412 Integrated circuit biasing a microphone |
| 11/19/2009 | US20090285409 Sound source localization device |
| 11/18/2009 | EP2120485A1 Load detection |
| 11/18/2009 | EP2119305A2 Audio system with synthesized positive impedance |
| 11/18/2009 | EP2118986A2 Method and apparatus for conserving battery power |
| 11/18/2009 | CN201349317Y Microphone capable of storing and playing songs and video files |
| 11/18/2009 | CN101583065A Integrated ciruict biasing microphone |
| 11/18/2009 | CN101583064A Micro audio directional loudspeaker with three dimension soundeffect |
| 11/18/2009 | CN101583063A Audio processing method and system |