| Patents for H04R 3 - Circuits for transducers (18,190) | 
|---|
| 10/06/2010 | CN101123830B Device and method for processing audio frequency signal | 
| 10/05/2010 | US7809145 Ultra small microphone array | 
| 09/30/2010 | WO2010109711A1 Audio processing device, audio processing method, and program | 
| 09/30/2010 | WO2010109708A1 Pickup signal processing apparatus, method, and program | 
| 09/30/2010 | WO2010109614A1 Audio signal processing device and audio signal processing method | 
| 09/30/2010 | WO2010075035A3 A vehicular microphone system and method for post processing optimization of a microphone signal | 
| 09/30/2010 | WO2010073212A3 Method of and apparatus for planar audio source tracking | 
| 09/30/2010 | US20100246841 Soundbridge test system | 
| 09/30/2010 | US20100246834 Wind recognition system and method for wind recognition using microphone | 
| 09/30/2010 | US20100245059 Wildlife dislodging device | 
| 09/29/2010 | EP2234416A1 Video/audio output system | 
| 09/29/2010 | CN201594906U Vehicular audio control circuit | 
| 09/29/2010 | CN201594905U Noise isolating module for eliminating audio transmission noise and audio processor | 
| 09/29/2010 | CN201594904U Terminal | 
| 09/29/2010 | CN1856186B Acoustic apparatus, connection polarity determination method, and recording medium | 
| 09/29/2010 | CN1684189B Method of and apparatus for reducing noise | 
| 09/29/2010 | CN101848408A Built-in mobile phone speaker and operating method thereof | 
| 09/29/2010 | CN101848407A Sound effect power supply structure | 
| 09/29/2010 | CN101848288A Simulation noise reduction system and method for microphone | 
| 09/28/2010 | US7804971 Electrostatic ultrasonic transducer, ultrasonic speaker and display device | 
| 09/28/2010 | US7804968 Condenser microphone | 
| 09/28/2010 | US7804964 Device for protecting the hearing from loud MRT sounds | 
| 09/28/2010 | US7804963 Method and device for comparing signals to control transducers and transducer control system | 
| 09/28/2010 | US7803050 Tracking device with sound emitter for use in obtaining information for controlling game program execution | 
| 09/23/2010 | WO2010106957A1 Headphone | 
| 09/23/2010 | WO2010106820A1 Howling canceller | 
| 09/23/2010 | WO2010106734A1 Audio signal processing device | 
| 09/23/2010 | WO2010106711A1 Voice input device, voice recognition system and voice recognition method | 
| 09/23/2010 | WO2010106617A1 Audio adjusting device | 
| 09/23/2010 | WO2010106469A1 Audio processing in a processing system | 
| 09/23/2010 | US20100241428 Method and system for beamforming using a microphone array | 
| 09/23/2010 | US20100241259 Audiovisual reproduction system | 
| 09/23/2010 | US20100239102 Digital filtering in a class d amplifier system to reduce noise fold over | 
| 09/23/2010 | CA2755700A1 Headphone | 
| 09/22/2010 | CN201590887U Multiplex power amplifier | 
| 09/22/2010 | CN201590886U Startup and shutdown muting circuit | 
| 09/22/2010 | CN201590885U Guitar sound box | 
| 09/22/2010 | CN201590875U Speaker system and electronic device using same | 
| 09/22/2010 | CN101843115A Auditory sensibility correction device | 
| 09/22/2010 | CN101843114A Focusing on a portion of an audio scene for an audio signal | 
| 09/22/2010 | CN101841755A Closed-loop position-finding servo-type audio system of speaker vibration system | 
| 09/22/2010 | CN101841588A Audio interface device and electronic device using same | 
| 09/22/2010 | CN101105941B System for enhancing sound definition | 
| 09/21/2010 | US7801321 Condenser microphone | 
| 09/21/2010 | US7801315 Method and device for driving a directional speaker | 
| 09/21/2010 | US7801222 Coding image signal | 
| 09/16/2010 | WO2010104300A2 An apparatus for processing an audio signal and method thereof | 
| 09/16/2010 | WO2010104299A2 An apparatus for processing an audio signal and method thereof | 
| 09/16/2010 | WO2010104112A1 Speaker unit | 
| 09/16/2010 | WO2010103410A1 Microphone and accelerometer | 
| 09/16/2010 | US20100232623 Transducer device including feedback circuit | 
| 09/16/2010 | US20100232620 Sound processing device, correcting device, correcting method and recording medium | 
| 09/16/2010 | DE202010007785U1 Persönlicher Sender für ein Mikrofon Personal transmitter for a microphone | 
| 09/15/2010 | EP2229013A2 Speaker array apparatus and sound beam control method | 
| 09/15/2010 | EP2229011A2 Hearing assistance devices with echo cancellation | 
| 09/15/2010 | EP2229007A1 An apparatus for processing an audio signal and method thereof | 
| 09/15/2010 | EP2229006A1 Speaker line inspection device | 
| 09/15/2010 | CN201585117U Loudspeaker system with adjustable three-dimensional sound production directions | 
| 09/15/2010 | CN201585116U Multifunctional portable sound box | 
| 09/15/2010 | CN201585115U Player capable of supporting Ipod | 
| 09/15/2010 | CN201585114U Sound box | 
| 09/15/2010 | CN201585088U Portable type multifunctional digital sound | 
| 09/15/2010 | CN201578011U Mail prompting mail box | 
| 09/15/2010 | CN1933676B Method and apparatus for setting loudspeaker array utilizing reverse-phase | 
| 09/15/2010 | CN1929696B Method and device for loudspeaker array setting by using quadratic residue sequence phase delay | 
| 09/15/2010 | CN1612644B Parameter control method and parameter setting apparatus | 
| 09/15/2010 | CN101835071A Sound noise control circuit | 
| 09/15/2010 | CN101833975A Reproducing device and reproducing method | 
| 09/15/2010 | CN101833966A Reproducing device and reproducing method | 
| 09/15/2010 | CN101833965A Reproducing device and reproducing method | 
| 09/15/2010 | CN101288338B Voice reproducing method and reproducer using line array speaker unit | 
| 09/14/2010 | US7796768 Variable alignment loudspeaker system | 
| 09/14/2010 | US7796767 Howling detection method, device, and acoustic device using the same | 
| 09/14/2010 | CA2490845C Real-ear zoom hearing device | 
| 09/10/2010 | WO2010100873A1 Speaker with camera, signal processing device, and av system | 
| 09/09/2010 | US20100226512 Presentation audio system | 
| 09/09/2010 | US20100226507 Microphone Unit | 
| 09/09/2010 | DE102009012192A1 Class-D audio power amplifier has circuit with detachable thyristors, where frequency-asymmetrical protection thyristor system is provided on uncoupling condenser with half maximum frequency | 
| 09/09/2010 | DE102009003582A1 Audio tube amplifier has amplifier tube provided with output that is connected with output transformer, which has primary winding and an output winding | 
| 09/09/2010 | DE102006059138B4 Hörhilfe- und/oder Gehörschutzgerät mit einem Audio-Eingang Hearing aid and / or hearing protection device with an audio input | 
| 09/08/2010 | EP2227034A1 Microphone unit | 
| 09/08/2010 | CN201577187U Loudspeaker box with feedback killing function and sound mixer | 
| 09/08/2010 | CN201577186U Simple power amplifier circuit | 
| 09/08/2010 | CN201577185U Audio control circuit of semiconductor light-emitting device | 
| 09/08/2010 | CN201577184U Car horn volume control device based on AVR singlechip | 
| 09/08/2010 | CN201577178U Earphone with passive sound effect adjusting function | 
| 09/08/2010 | CN1698094B Apparatus for focusing ultrasonic acoustical energy within a liquid stream | 
| 09/08/2010 | CN1669356B Electronic devices, methods of operating the same, and computer program products for detecting noise in a signal based on a combination of spatial correlation and time correlation | 
| 09/08/2010 | CN101828407A Microphone array processor based on spatial analysis | 
| 09/08/2010 | CN101827299A DMX protocol-based power amplifying device | 
| 09/08/2010 | CN101827295A Wireless microphone and anti-interference method thereof | 
| 09/08/2010 | CN101827146A Device with terminal communication noise suppression function, method and communication terminal | 
| 09/08/2010 | CN101827087A Apparatus, method, and program for information processing | 
| 09/07/2010 | US7792313 High precision beamsteerer based on fixed beamforming approach beampatterns | 
| 09/07/2010 | CA2427784C Method for handling data of a hearing device and hearing device | 
| 09/03/2010 | CA2657009A1 Multi-media wireless system | 
| 09/02/2010 | WO2010099237A2 Speaker distortion reduction system and method | 
| 09/02/2010 | WO2010096905A1 Compact noise suppression circuit for small speakers | 
| 09/02/2010 | US20100220873 System, Method, and Apparatus for Adjusting an Output of a Transducer | 
| 09/02/2010 | US20100219981 Antenna including first and second radiating elements having substantially the same characteristic features |