| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 07/10/2013 | CN101902671B Audio processing device and method |
| 07/10/2013 | CN101816189B Sound reproduction system comprising a loudspeaker enclosure with ports, and associated processing circuit |
| 07/10/2013 | CN101296529B Sound tuning method and system |
| 07/09/2013 | US8484021 Apparatus for encoding/decoding multichannel signal and method thereof |
| 07/09/2013 | US8483406 System for detecting and reducing noise via a microphone array |
| 07/09/2013 | US8483403 System and method for directionally radiating sound |
| 07/04/2013 | WO2013102228A1 Ultra-compact headset |
| 07/04/2013 | WO2013042968A3 Method for providing a compensation service for characteristics of an audio device using a smart device |
| 07/04/2013 | US20130170676 Magnetic circuit for speaker and speaker using same |
| 07/04/2013 | US20130170675 Multi-Coaxial Transducers and Methods |
| 07/04/2013 | US20130170673 Programmable microphone |
| 07/04/2013 | US20130170670 System And Method For Automatically Remixing Digital Music |
| 07/04/2013 | US20130170666 Adaptive self-calibration of small microphone array by soundfield approximation and frequency domain magnitude equalization |
| 07/04/2013 | US20130170656 Electronic device and headset with speaker seal evaluation capabilities |
| 07/04/2013 | US20130170651 Apparatus and method for editing multichannel audio signal |
| 07/04/2013 | US20130170648 SURROUND SIGNAL GENERATING DEVICE, SURROUND SIGNAL GENERATING METHOD and SURROUND SIGNAL GENERATING PROGRAM |
| 07/04/2013 | DE102005008318B4 Hörhilfegerät mit benutzergesteuerter Einmessautomatik Hearing aid with user-controlled automatic calibration |
| 07/03/2013 | EP2611213A1 Sound system with individual playback zones |
| 07/03/2013 | EP2611212A2 Microphone unit |
| 07/03/2013 | EP2609757A1 A microphone apparatus and method for removing unwanted sounds |
| 07/03/2013 | CN203039883U Magnetic shielding device for earphone circuit board |
| 07/03/2013 | CN203039882U Wireless microphone capable of preventing co-channel interference |
| 07/03/2013 | CN203039881U Wireless speaker with wireless charging function |
| 07/03/2013 | CN203039880U Wireless microphone audio reverberation device |
| 07/03/2013 | CN203039879U Integrated sound equipment |
| 07/03/2013 | CN203039878U Multifunctional portable loudspeaker circuit |
| 07/03/2013 | CN203039877U Echo system based on ICETEK-VC5509-A |
| 07/03/2013 | CN203039860U Earphone with tightness detection |
| 07/03/2013 | CN203039853U Charging device and wireless earphone |
| 07/03/2013 | CN103190157A Electronic apparatus |
| 07/03/2013 | CN103188589A Audio equipment adaptor |
| 07/03/2013 | CN103188588A Mobile phone sound-amplifying player with magnetic induction way |
| 07/03/2013 | CN103188587A Sound system with individual playback zones |
| 07/03/2013 | CN103188586A Embedded speaker protection for vehicle audio power amplifier |
| 07/03/2013 | CN103188585A Voice frequency adjusting device and adjusting method thereof |
| 07/03/2013 | CN103188584A Acoustic matching method and acoustic matching system for vehicle-mounted multi-media |
| 07/03/2013 | CN103188583A Electronic equipment and method for achieving vibration of electronic equipment |
| 07/03/2013 | CN103188581A Audio transmission line and headset |
| 07/03/2013 | CN101835071B Sound noise control circuit |
| 07/03/2013 | CN101543089B Voice input device, its manufacturing method and information processing system |
| 07/02/2013 | US8477976 Method for the detection of whistling in an audio system |
| 07/02/2013 | US8477961 Microphone array with rear venting |
| 07/02/2013 | US8477958 Networked sound masking system |
| 07/02/2013 | US8476978 Headphone driver/charge pump combination |
| 06/27/2013 | WO2013095920A1 Automated user/sensor location recognition to customize audio performance in a distributed multi-sensor environment |
| 06/27/2013 | WO2013095880A1 Dynamic control of audio on a mobile device with respect to orientation of the mobile device |
| 06/27/2013 | WO2013095774A1 Electronically orbited speaker system |
| 06/27/2013 | WO2013094849A1 Method for manufacturing frequency separation device for cochlear implant using nanowire growth |
| 06/27/2013 | WO2013094626A1 Class-d power amplifier |
| 06/27/2013 | WO2013094103A1 Sound processing device, and sound processing method |
| 06/27/2013 | WO2013094102A1 Sound processing device, and sound processing method |
| 06/27/2013 | WO2013093565A1 Spatial audio processing apparatus |
| 06/27/2013 | WO2013092782A1 Digital microphone device with extended dynamic range |
| 06/27/2013 | WO2013091021A1 Method and apparatus for wind noise detection |
| 06/27/2013 | WO2013033142A3 High voltage multiplier for a microphone and method of manufacture |
| 06/27/2013 | US20130163807 Electro-acoustic transducer and method of manufacturing the same |
| 06/27/2013 | US20130163790 Microphone unit and electronic apparatus |
| 06/27/2013 | US20130163786 Mixing signal processing apparatus and mixing signal processing integrated circuit |
| 06/27/2013 | US20130163780 Method and apparatus for information exchange between multimedia components for the purpose of improving audio transducer performance |
| 06/27/2013 | US20130163770 Channel divider, sound reproducing system including the channel divider, and method for setting crossover frequency of the channel divider |
| 06/27/2013 | DE102011089542A1 Verfahren und Schaltungsanordnung zur Ansteuerung eines Ultraschallsensors Method and circuit for driving an ultrasonic sensor |
| 06/26/2013 | EP2608569A1 Digital microphone device with extended dynamic range |
| 06/26/2013 | EP2608198A1 System and method for reduction of mechanically-generated noise |
| 06/26/2013 | EP2608197A1 Method, device, and system for noise reduction in multi-microphone array |
| 06/26/2013 | EP2606572A1 Method and system for controlling distortion in a critical frequency band of an audio signal |
| 06/26/2013 | EP2606371A1 Apparatus and method for resolving ambiguity from a direction of arrival estimate |
| 06/26/2013 | CN203027464U Interference-resisting loudspeaker |
| 06/26/2013 | CN203027463U Audio machine with voice crack preventing function |
| 06/26/2013 | CN203027462U Sounding device with filtering function |
| 06/26/2013 | CN203027461U Audio module and audio player |
| 06/26/2013 | CN203027460U Digitalized guitar sound |
| 06/26/2013 | CN203027459U Volume control device for automobile sound |
| 06/26/2013 | CN203027458U Pushing circuit of earphone |
| 06/26/2013 | CN203027457U Background service audio playing device |
| 06/26/2013 | CN203027456U Multifunctional integrated portable specialized sound box |
| 06/26/2013 | CN203027455U Dynamic filtering sounding device |
| 06/26/2013 | CN203027454U Audio circuit with filtering function |
| 06/26/2013 | CN203027453U Filtering and denoising audio circuit |
| 06/26/2013 | CN203027452U Filtering type active sounding device |
| 06/26/2013 | CN203027451U Active audio amplifying circuit |
| 06/26/2013 | CN203027450U Low-noise active audio machine |
| 06/26/2013 | CN203027449U Interference-resisting sounding device |
| 06/26/2013 | CN203027448U Audio device with noise reduction function |
| 06/26/2013 | CN203027447U Microphone audio output circuit and microphone |
| 06/26/2013 | CN203027442U Bluetooth hands-free sound box |
| 06/26/2013 | CN203027424U Adaptive telephone receiver |
| 06/26/2013 | CN203027418U Adaptive telephone transmitter |
| 06/26/2013 | CN203027415U Touch sound device |
| 06/26/2013 | CN203027413U Alternating-current and direct-current sound box capable of switching direct-current circuit according to cell type |
| 06/26/2013 | CN203027365U Audio output control circuit and TV set |
| 06/26/2013 | CN1855289B Reproducing device and reproducing method |
| 06/26/2013 | CN103181196A 电子设备 Electronic Equipment |
| 06/26/2013 | CN103181190A Systems, methods, apparatus, and computer-readable media for far-field multi-source tracking and separation |
| 06/26/2013 | CN103180752A Apparatus and method for resolving ambiguity from a direction of arrival estimate |
| 06/26/2013 | CN103179491A Method for designing concealed isolation compartment and sound processing device of concealed isolation compartment |
| 06/26/2013 | CN103179490A Sound processing apparatus, sound system and sound processing method |
| 06/26/2013 | CN103179488A Loudspeaker with direct sound volume adjusting function and sound source module of loudspeaker |
| 06/26/2013 | CN103179485A Active folding type earphone as well as turning on and off method and device thereof |
| 06/26/2013 | CN103179481A Earphone capable of improving English listening comprehension of user |
| 06/26/2013 | CN102256193B Audio signal receiving device and audio signal transmission system |