| Patents for H04R 3 - Circuits for transducers (18,190) |
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| 03/07/2013 | WO2013032001A1 Speech processor, contrl method, and control program thereof |
| 03/07/2013 | WO2013031953A1 Mixing device, mixing signal processing device, mixing program and mixing method |
| 03/07/2013 | WO2013030863A1 Display device, display method, and program |
| 03/07/2013 | WO2013030862A1 Display device, display method, and program |
| 03/07/2013 | US20130058507 Method for transferring data to a musical signal processor |
| 03/07/2013 | US20130058506 Microphone Buffer Circuit With Input Filter |
| 03/07/2013 | US20130058492 Apparatus and method for measuring a plurality of loudspeakers and microphone array |
| 03/06/2013 | EP2566190A1 Speaker device and filter coefficient generation device therefor |
| 03/06/2013 | CN202773068U Circuit module having function of reverberation microphone recording |
| 03/06/2013 | CN202773067U Bluetooth sound box |
| 03/06/2013 | CN202773066U Low-cost radio frequency identification device based on audio interface |
| 03/06/2013 | CN202773065U Sound box with karaoke singing function |
| 03/06/2013 | CN202773064U Multifunctional wireless sound box |
| 03/06/2013 | CN202773063U DC voltage error protection circuit and related system |
| 03/06/2013 | CN202773062U High signal-to-noise ratio tracking directional sound collecting device |
| 03/06/2013 | CN202773058U Time-and-volume double-item supervision type earphone |
| 03/06/2013 | CN202772996U Remote controller |
| 03/06/2013 | CN202771796U 可携式伴唱装置 Portable karaoke device |
| 03/06/2013 | CN102959992A Vibration device and electronic device |
| 03/06/2013 | CN102959991A Vibration device |
| 03/06/2013 | CN102959990A 压电器件 Piezoelectric devices |
| 03/06/2013 | CN102959987A Vibration device |
| 03/06/2013 | CN102959930A Mobile telephone |
| 03/06/2013 | CN102957988A Audio signal processing circuit |
| 03/06/2013 | CN102957987A Electronic device |
| 03/06/2013 | CN102957986A Audio apparatus and audio controller thereof |
| 03/06/2013 | CN102957985A Method and system for automatically adjusting volume as well as audio playing terminal |
| 03/06/2013 | CN102957981A Headphone device |
| 03/06/2013 | CN102957980A Earphone, earphone set and method for processing signals by earphone |
| 03/06/2013 | CN102956235A Method of removing microphone noise and portable terminal supporting the same |
| 03/06/2013 | CN101771390B Sound input/output system and volume output adjusting method thereof |
| 03/06/2013 | CN101385385B Ambient noise-reduction control system |
| 03/06/2013 | CN101355824B Usb扬声系统 Usb speaker system |
| 03/05/2013 | US8392835 Parameter supply apparatus for audio mixing system |
| 03/05/2013 | US8391791 Distributed sound enhancement |
| 03/05/2013 | US8391514 Parametric transducer systems and related methods |
| 03/05/2013 | US8391511 Semiconductor device |
| 03/05/2013 | US8391508 Method for reproducing natural or modified spatial impression in multichannel listening |
| 03/05/2013 | US8391507 Systems, methods, and apparatus for detection of uncorrelated component |
| 03/05/2013 | US8391501 Method and apparatus for mixing priority and non-priority audio signals |
| 02/28/2013 | WO2013028667A2 Receiver acoustic low pass filter |
| 02/28/2013 | WO2013027775A1 Sound correction device, sound correction method, and program |
| 02/28/2013 | US20130051584 Device control apparatus, device control method, and program |
| 02/28/2013 | US20130051583 High Voltage Multiplier For A Microphone And Method Of Manufacture |
| 02/28/2013 | US20130051582 System and Method for Low Distortion Capacitive Signal Source Amplifier |
| 02/28/2013 | US20130051577 Array microphone apparatus for generating a beam forming signal and beam forming method thereof |
| 02/28/2013 | DE102012107952A1 Rauschreduzierung für Dual-Mikrofon-Kommunikationsgeräte Noise reduction for dual-microphone communication devices |
| 02/28/2013 | CA2843437A1 System and method for producing a more harmonious musical accompaniment and for applying a chain of effects to a musical composition |
| 02/27/2013 | CN202759582U Energy-saving monitoring circuit |
| 02/27/2013 | CN202759581U Earphone sound reproduction circuit for user self-defining audio output |
| 02/27/2013 | CN202759580U Audio equipment and circuit for removing switching-on/off noise of audio equipment |
| 02/27/2013 | CN202759579U Audio signal downlink transmission apparatus and electronic signature tool |
| 02/27/2013 | CN202759578U Audio control system of electronic device |
| 02/27/2013 | CN202759577U Sound box with U disk function |
| 02/27/2013 | CN202759419U Audio interface self-adapting device and electronic signature tool |
| 02/27/2013 | CN202751795U Doll circuit and doll |
| 02/27/2013 | CN102948169A Microphone interference detection method and apparatus |
| 02/27/2013 | CN102946578A Amplifier free of POP sound during on and off for audio headphone |
| 02/27/2013 | CN101872637B Reproduction device and reproduction method |
| 02/27/2013 | CN101853680B Reproducing device and reproduction method |
| 02/27/2013 | CN101610439B Electronic device |
| 02/26/2013 | US8385562 Sound source signal filtering method based on calculated distances between microphone and sound source |
| 02/26/2013 | CA2564045C Non-transitory recording medium, reproduction device, non-transitory computer readable recording medium storing a management program, reproduction method, and recording method fora click sound playback |
| 02/26/2013 | CA2436388C Sound processing system using distortion limiting techniques |
| 02/21/2013 | WO2013024789A1 Drive circuit |
| 02/21/2013 | WO2013024573A1 Electronic device |
| 02/21/2013 | WO2013024508A1 Audio processing device, playback device, audio processing method, and program |
| 02/21/2013 | US20130044901 Microphone arrays and microphone array establishing methods |
| 02/21/2013 | US20130044899 Dual Backplate Microphone |
| 02/21/2013 | US20130044898 Sensitivity Adjustment Apparatus And Method For MEMS Devices |
| 02/21/2013 | US20130044894 System and method for efficient sound production using directional enhancement |
| 02/21/2013 | US20130044893 System and method for muting audio associated with a source |
| 02/21/2013 | US20130044887 Audio apparatus and audio controller thereof |
| 02/20/2013 | EP2560408A2 Dual backplate microphone |
| 02/20/2013 | EP2560352A1 Mobile terminal and vibration method thereof |
| 02/20/2013 | EP2560281A2 System estimation method and program, recording medium, and system estimation device |
| 02/20/2013 | CN202750222U Audio frequency input circuit and electronic equipment with audio frequency input |
| 02/20/2013 | CN202750221U External audio broadcasting device |
| 02/20/2013 | CN202750205U Bluetooth headset |
| 02/20/2013 | CN202749862U Charging device |
| 02/20/2013 | CN202748924U Remote control device |
| 02/20/2013 | CN102938870A Low cost radio frequency recognition device and method based on audio interface |
| 02/20/2013 | CN101288335B Method and apparatus for improving noise discrimination using enhanced phase difference value |
| 02/19/2013 | US8379888 Flexible piezoelectric sound-generating devices |
| 02/19/2013 | US8379884 Sound signal transmitter-receiver |
| 02/19/2013 | US8379882 Method and electronic device for driving a capacitance electro-acoustic transducer |
| 02/19/2013 | US8379881 Silicon based capacitive microphone |
| 02/19/2013 | US8379877 Sound collector and sound recorder |
| 02/19/2013 | US8379876 Audio device utilizing a defect detection method on a microphone array |
| 02/19/2013 | US8379875 Method for efficient beamforming using a complementary noise separation filter |
| 02/14/2013 | WO2013021457A1 Device and method for computing vibration amplitude value, vibration signal generation device, and computer program |
| 02/14/2013 | WO2013020380A1 Communication headset speech enhancement method and device, and noise reduction communication headset |
| 02/14/2013 | US20130041659 Spatio-temporal speech enhancement technique based on generalized eigenvalue decomposition |
| 02/14/2013 | US20130039503 Beamforming apparatus and method based on long-term properties of sources of undesired noise affecting voice quality |
| 02/13/2013 | EP2557813A2 A modular, configurable speaker system and a method of operating it |
| 02/13/2013 | CN202738087U Strong directive microphone |
| 02/13/2013 | CN202738086U Sound box |
| 02/13/2013 | CN202738074U Earphone system with hearing aid function |
| 02/13/2013 | CN202738073U 电子装置 Electronic devices |
| 02/13/2013 | CN102934464A Microphone unit and audio input device provided with same |