| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 06/26/2013 | CN101964935B Audio system |
| 06/26/2013 | CN101860779B Time domain broadband harmonic region beam former and beam forming method for spherical array |
| 06/26/2013 | CN101729962B Method and electronic device for driving capacitance type electroacoustic transducer |
| 06/25/2013 | US8473844 Audio related system link management |
| 06/25/2013 | US8472655 Audio processing |
| 06/25/2013 | US8472640 Elevated toroid microphone apparatus |
| 06/25/2013 | US8472632 Dynamic sweet spot tracking |
| 06/25/2013 | CA2713350C Headset systems and methods |
| 06/20/2013 | WO2013090184A1 Preventing electrostatic pull-in in capacitive devices |
| 06/20/2013 | WO2013089931A1 Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in an accessory device |
| 06/20/2013 | WO2013089930A1 Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device |
| 06/20/2013 | WO2013088678A1 Electronic apparatus and audio control method |
| 06/20/2013 | US20130158693 Interactive Sound Reproducing |
| 06/20/2013 | US20130156236 Audio Apparatus and Method of Changing Sound Emission Mode |
| 06/20/2013 | US20130156221 Signal processing apparatus and signal processing method |
| 06/20/2013 | US20130156220 Selective spatial audio communication |
| 06/20/2013 | US20130156219 Pad-Type Device Case Providing Enhanced Audio Functionality and Output |
| 06/20/2013 | US20130156205 Howling detection device, howling suppressing device and method of detecting howling |
| 06/20/2013 | US20130156194 Secure recording and sharing system of voice memo |
| 06/19/2013 | EP2605544A2 Systems and methods for matching gain levels of transducers |
| 06/19/2013 | EP2605490A1 Terminal having a plurality of speakers and method of operating the same |
| 06/19/2013 | EP2604045A1 Active and passive directional acoustic radiating |
| 06/19/2013 | CN203015094U Audio frequency amplification circuit |
| 06/19/2013 | CN203015093U Vehicle-mounted multimedia mute circuit |
| 06/19/2013 | CN203015092U Sound source output distribution system |
| 06/19/2013 | CN203015091U Novel wireless acoustic equipment |
| 06/19/2013 | CN203015090U Sound box having LED lamp |
| 06/19/2013 | CN203015089U Earphone plug converter |
| 06/19/2013 | CN203015067U Audio transmitting chip, audio receiving chip, portable device, wireless communication system and wireless microphone system |
| 06/19/2013 | CN103168480A Improved parametric signal processing and emitter systems and related methods |
| 06/19/2013 | CN103168479A Howling suppression device, hearing aid, howling suppression method, and integrated circuit |
| 06/19/2013 | CN103167381A Terminal having a plurality of speakers and method of operating the same |
| 06/19/2013 | CN103167380A Digitalized super-directivity speaker system |
| 06/19/2013 | CN103167379A Audio playing device |
| 06/19/2013 | CN103167378A Modularization audio signal device |
| 06/19/2013 | CN103167376A Directional loudspeaker and signal processing method thereof |
| 06/19/2013 | CN103167368A Earphone compatible circuit and compatible earphones |
| 06/19/2013 | CN101964936B Processing chip for digital microphone, input circuit thereof and digital microphone |
| 06/19/2013 | CN101923862B Method and system for processing subband signals using adaptive filters |
| 06/19/2013 | CN101543091B Voice input device, its manufacturing method and information processing system |
| 06/19/2013 | CN101543090B Integrated circuit device, voice input device and information processing system |
| 06/19/2013 | CN101478588B Intelligent telephone amplifier for eliminating feedback whistle, and suppressing interference noise |
| 06/19/2013 | CN101155442B Calibrated microelectromechanical microphone |
| 06/18/2013 | US8468018 Apparatus and method for canceling noise of voice signal in electronic apparatus |
| 06/18/2013 | US8467548 Miniature micro-electromechanical system (MEMS) based directional sound sensor |
| 06/18/2013 | US8467545 Noise reduction systems and methods for voice applications |
| 06/18/2013 | US8467543 Microphone and voice activity detection (VAD) configurations for use with communication systems |
| 06/18/2013 | US8467542 Sound recording device, sound recording method, and sound recording program embodied on computer readable medium |
| 06/18/2013 | US8467525 Steganographic method and device |
| 06/13/2013 | WO2013086476A1 Processing audio signals |
| 06/13/2013 | WO2013085605A1 Near-field null and beamforming |
| 06/13/2013 | WO2013084811A1 Earhole attachment-type sound pickup device, signal processing device, and sound pickup method |
| 06/13/2013 | WO2013084810A1 Earhole attachment-type sound pickup device, signal processing device, and sound pickup method |
| 06/13/2013 | WO2013084491A1 Oscillation device |
| 06/13/2013 | WO2013083948A1 Correcting non-linear loudspeaker response |
| 06/13/2013 | WO2013083947A1 Reducing resonance |
| 06/13/2013 | US20130151261 Analog Signal Transfer System, Variable Compressor, and Variable Expander |
| 06/13/2013 | US20130148822 Correcting Non-Linear Loudspeaker Response |
| 06/13/2013 | US20130147923 Smart Audio and Video Capture Systems for Data Processing Systems |
| 06/13/2013 | US20130147835 Technique for localizing sound source |
| 06/13/2013 | DE102007037659B4 Verfahren zum Betrieb eines Hörgerätesystems und Hörgerätesystem Method for operating a hearing aid system and hearing aid system |
| 06/12/2013 | CN202998451U Clean-room-specific interphonetelephone loudspeaker device |
| 06/12/2013 | CN202998450U Electronic frequency dependent loudspeaker of silicon microphone sensor |
| 06/12/2013 | CN202998449U Matched circuit for Bluetooth earphone antenna |
| 06/12/2013 | CN202998448U Fountain sound box |
| 06/12/2013 | CN202998447U Interactive intelligent panel system |
| 06/12/2013 | CN202998446U Audio signal transmission equipment and vehicle-mounted multimedia system |
| 06/12/2013 | CN202998445U 拾音系统 Pickup system |
| 06/12/2013 | CN202998444U Mobile phone music player |
| 06/12/2013 | CN202998443U Sound box with USB interface |
| 06/12/2013 | CN202998442U Sound box with function of receiving FM radio |
| 06/12/2013 | CN202998441U Sound box power amplification circuit and sound box |
| 06/12/2013 | CN202998440U Invisible wireless earphone communication system |
| 06/12/2013 | CN202998439U Speaker box |
| 06/12/2013 | CN202998438U 无线音箱 Wireless Speakers |
| 06/12/2013 | CN202998437U Touch control high pitch panel |
| 06/12/2013 | CN202998432U Sound box with Bluetooth function |
| 06/12/2013 | CN202998419U Intelligent Bluetooth earphone device |
| 06/12/2013 | CN202998226U Anti-interference circuit for hands-free communication of mobile phone earphone |
| 06/12/2013 | CN202995334U Sound transmission device |
| 06/12/2013 | CN1497880B Reverberation console |
| 06/12/2013 | CN103155591A Automatic equalization using adaptive frequency-domain filtering and dynamic fast convolution |
| 06/12/2013 | CN103155590A Oscillator and portable device |
| 06/12/2013 | CN103155589A Ear canal ear bud sound system |
| 06/12/2013 | CN103152673A Digital loudspeaker drive method and device based on quaternary code dynamic mismatch reshaping |
| 06/12/2013 | CN103152672A Receiving signal compressed encoding and signal recovery method for microphone array |
| 06/12/2013 | CN103152671A Audio input/output circuit |
| 06/12/2013 | CN103152670A Audio frequency processing circuit and earphone |
| 06/12/2013 | CN103152669A Method for utilizing intelligent terminal to operate voice frequency effector |
| 06/12/2013 | CN103152668A Adjusting method of output audio and system thereof |
| 06/12/2013 | CN103152667A Apparatus and method for horn control using touch pattern |
| 06/12/2013 | CN103152546A Echo suppression method for videoconferences based on pattern recognition and delay feedforward control |
| 06/12/2013 | CN103149874A Industrial control equipment with earphone communication interface and implementation method |
| 06/12/2013 | CN102361504B Dynamic power-reducing circuit and electronic equipment |
| 06/12/2013 | CN102077277B 音频处理 Audio Processing |
| 06/12/2013 | CN101933342B Apparatus for sound having multiple stereo imaging |
| 06/12/2013 | CN101877811B Microelectromechanical system (mems) device with senstivity trimming circuit and trimming process |
| 06/12/2013 | CN101068445B High frequency compensating |
| 06/11/2013 | US8462976 Voice conference system |
| 06/06/2013 | WO2013079782A1 An audio driver user interface |