| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 09/25/2013 | CN103329565A An audio system and method of operation therefor |
| 09/25/2013 | CN103329450A Echo erasing device and echo detection device |
| 09/25/2013 | CN103329201A Method and apparatus for masking wind noise |
| 09/25/2013 | CN103327434A Mutual inductor interface circuit for loudspeaker box |
| 09/25/2013 | CN103327433A Audio input interface detection method and system thereof |
| 09/25/2013 | CN103327432A Speaker module for mobile device and mobile device having duct radiation structure |
| 09/25/2013 | CN102332881B Headset volume control circuit of key general mobile phone |
| 09/25/2013 | CN101778322B Microphone array postfiltering sound enhancement method based on multi-models and hearing characteristic |
| 09/25/2013 | CN101622805B System and method for intelligent equalization |
| 09/24/2013 | US8542847 Controlled overlap driver circuit |
| 09/24/2013 | CA2643716C Hearing aid with adaptive feedback suppression |
| 09/21/2013 | CA2772322A1 Multichannel enhancement system for preserving spatial cues |
| 09/19/2013 | WO2013136846A1 Audio signal processing device and audio signal processing method |
| 09/19/2013 | WO2013135559A1 Audio system |
| 09/19/2013 | US20130243220 Sound generation device, sound generation method and storage medium storing sound generation program |
| 09/19/2013 | US20130243218 Audio output apparatus |
| 09/19/2013 | US20130243215 Networked sound masking system |
| 09/19/2013 | US20130243211 Sound processing apparatus |
| 09/19/2013 | US20130243202 System and method for information handling system wireless audio driven antenna |
| 09/19/2013 | DE102013202136A1 System und Verfahren für eine PCM-Schnittstelle für eine kapazitive Signalquelle System and method for a PCM interface for capacitive signal source |
| 09/19/2013 | DE102012204193A1 Audio processor installed in car, used for dynamic processing of audio signals, has amplifier that is provided to control gain or attenuation of audio signal based on strengthened target determined by target determiner |
| 09/19/2013 | DE102012008557A1 Method for suppressing feedback in electro-acoustic system e.g. hearing aid, involves converting processed discrete frequency signal into processed time-based signal that is converted to output processed acoustic signal |
| 09/18/2013 | EP2640090A1 Selective adaptive audio cancellation algorithm configuration |
| 09/18/2013 | EP2639787A1 Signal processing apparatus for stringed instrument |
| 09/18/2013 | CN203206450U Stereo hi-fi transistor push-pull sound amplifier |
| 09/18/2013 | CN203206449U Programmable loudspeaker with voice base |
| 09/18/2013 | CN203206448U Motor vehicle horn long time sounding protection circuit |
| 09/18/2013 | CN203206435U Earplug filter core |
| 09/18/2013 | CN103313170A Circuit eliminating audio interference of electronic device |
| 09/18/2013 | CN103313169A Muting drive circuit |
| 09/18/2013 | CN103313168A 耳机插孔驱动电路 Headphone jack drive circuit |
| 09/18/2013 | CN103313167A Android system based energy-saving control method for audio power amplifier |
| 09/18/2013 | CN103313160A Thinned micro-electromechanical microphone module |
| 09/18/2013 | CN102682765B Expressway audio vehicle detection device and method thereof |
| 09/18/2013 | CN102224541B Voice output device |
| 09/18/2013 | CN102056054B Sound playing device and compensation method thereof |
| 09/18/2013 | CN102045630B Capacitive sensor |
| 09/17/2013 | US8538040 Drivers and methods for driving a load |
| 09/15/2013 | CA2809468A1 Selective adaptive audio cancellation algorithm configuration |
| 09/12/2013 | WO2013133765A1 Transducer with motion control |
| 09/12/2013 | WO2013133121A1 Acoustic signal processing system |
| 09/12/2013 | US20130236036 Support Apparatus for Microphone Diaphragm |
| 09/12/2013 | US20130236029 System and method for synchronizing operations among a plurality of independently clocked digital data processing devices |
| 09/12/2013 | US20130236028 Data processing method and electronic device |
| 09/12/2013 | US20130236027 Processing Method for Earphone and User Equipment |
| 09/11/2013 | EP2637421A2 Earphone jack drive circuit |
| 09/11/2013 | EP2637420A1 Electronic apparatus |
| 09/11/2013 | EP2637419A1 Electronic device |
| 09/11/2013 | EP2637418A1 Oscillator and portable device |
| 09/11/2013 | EP2636227A2 Multichannel loudspeaker |
| 09/11/2013 | EP2636226A1 Digital dual microphone module with cross fad |
| 09/11/2013 | CN203193933U Multifunctional LED device and multifunctional sound box system |
| 09/11/2013 | CN203193889U Sound pick-up device based on microphone array voice noise reduction technology |
| 09/11/2013 | CN203193862U Wireless Bluetooth sound equipment converter |
| 09/11/2013 | CN203193861U 无线可移动终端卡拉ok混响转换器 Wireless mobile terminal ok the reverb converter |
| 09/11/2013 | CN203193860U Lawn lamp with light-controlled loudspeaker box |
| 09/11/2013 | CN203193859U Bluetooth audio system with telephone recording function |
| 09/11/2013 | CN203193858U Vehicle key bluetooth earphone |
| 09/11/2013 | CN203193857U Audio frequency signal synthesis drive circuit |
| 09/11/2013 | CN203193856U Effector plug-in connected with intelligent terminal |
| 09/11/2013 | CN203193855U Sound equipment with human body induction light control device |
| 09/11/2013 | CN203193847U Device using power of electronic device to supply power for denoising earphone |
| 09/11/2013 | CN203193832U Automatic linker for multiple microphones |
| 09/11/2013 | CN103299656A 动态麦克风信号混合器 Dynamic microphone signal mixer |
| 09/11/2013 | CN103299655A Loudness maximization with constrained loudspeaker excursion |
| 09/11/2013 | CN103297898A Low frequency extending method and device |
| 09/11/2013 | CN103297897A 扬声器控制方法及扬声器控制系统 Speaker control method and loudspeaker control system |
| 09/11/2013 | CN103297896A Audio output method and electronic equipment |
| 09/11/2013 | CN103297895A Vehicular volume control system |
| 09/11/2013 | CN103297894A Earphone power amplifier, working method and mobile terminal equipment |
| 09/11/2013 | CN103297886A Zigbee adapter and earphone device including same |
| 09/11/2013 | CN103297885A Earphone wire control device, earphone and voice recording system and method |
| 09/11/2013 | CN102509552B Method for enhancing microphone array voice based on combined inhibition |
| 09/11/2013 | CN101534463B A noise elimination device |
| 09/10/2013 | US8531088 Piezoelectric MEMS microphone |
| 09/06/2013 | WO2013128442A1 A method and system for improving voice communication experience in mobile communication devices |
| 09/06/2013 | WO2013128079A1 Engaging terminal devices |
| 09/06/2013 | WO2013127620A1 A circuit for use with a loudspeaker for portable equipments |
| 09/05/2013 | US20130230194 Audio mixing system |
| 09/05/2013 | US20130230187 Apparatus and method for deriving a directional information and computer program product |
| 09/05/2013 | US20130230184 Echo suppression comprising modeling of late reverberation components |
| 09/05/2013 | US20130230183 Echo cancellation |
| 09/05/2013 | US20130230181 Microphone and method for modelling microphone characteristics |
| 09/04/2013 | EP2635044A2 Echo cancellation |
| 09/04/2013 | EP2633703A2 Fitting an auditory prosthesis |
| 09/04/2013 | EP2633696A2 Transitioning multiple microphones from a first mode to a second mode |
| 09/04/2013 | EP2633522A1 Echo suppression comprising modeling of late reverberation components |
| 09/04/2013 | CN203181209U Wireless sound box with wireless charging function |
| 09/04/2013 | CN203181208U Integrated audio frequency amplification circuit for audio payment |
| 09/04/2013 | CN203181207U Bridge architecture monopole amplifying circuit for audio frequency payment |
| 09/04/2013 | CN203181206U Audio communication circuit for mobile phone payment |
| 09/04/2013 | CN203181205U Loudspeaker-box sound volume self-adjustment device |
| 09/04/2013 | CN203181204U DSP-chip-based power amplifier control system |
| 09/04/2013 | CN203181203U Multimedia loudspeaker box |
| 09/04/2013 | CN203181201U Hand-held digital equipment structure with extensible sound cavity |
| 09/04/2013 | CN203181175U A Bluetooth earphone |
| 09/04/2013 | CN203181164U A handset |
| 09/04/2013 | CN203180922U Wireless earphone system based on near field electromagnetic induction |
| 09/04/2013 | CN203180839U Audio power amplifier |
| 09/04/2013 | CN103283259A Electronic apparatus |