Patents for H04R 3 - Circuits for transducers (18,190)
12/2013
12/11/2013CN203340270U 音乐播放器及蓝牙音频适配器 Music player and Bluetooth audio adapter
12/11/2013CN203340255U Multifunctional intelligent earphone
12/11/2013CN103444207A Oscillator and electronic device
12/11/2013CN103444206A Oscillator
12/11/2013CN103444203A Measuring transducer displacement
12/11/2013CN103444094A Adaptive equalizer, acoustic echo canceller device, and active noise control device
12/11/2013CN103442317A Audio port identification circuit, audio port identification method and communication device
12/11/2013CN103440753A Automatic shutdown system and method of multimedia player
12/11/2013CN102164328B Audio input system used in home environment based on microphone array
12/11/2013CN102045619B Recording apparatus, recording method, audio signal correction circuit, and program
12/11/2013CN101998205B Audio message system, electronic device
12/11/2013CN101820571B 扬声器系统 Speaker system
12/11/2013CN101800923B Device and method for inhibition of second resonance mode of vibrating diaphragm
12/11/2013CN101577848B Supper bass boosting method and system
12/11/2013CN101505443B Virtual supper bass enhancing method and system
12/10/2013US8605921 Loudspeaker positions select infrastructure signal
12/07/2013CA2790755A1 Method and system of audio image capture based on logarithmic conversion
12/05/2013WO2013180155A1 Electronic instrument, control program, and method for controlling electronic instrument
12/05/2013WO2013180031A1 Electronic device
12/05/2013WO2013179629A1 Electronic device
12/05/2013WO2013179332A1 Audio device
12/05/2013WO2013178106A1 Method for controlling earphone audio playing duration and mobile phone
12/05/2013US20130322664 Noise elimination circuit for audio equipment
12/05/2013US20130322655 Method and device for microphone selection
12/05/2013US20130322654 Audio signal processing device and program
12/05/2013US20130322653 Usb audio device
12/05/2013US20130322650 Noise elimination circuit for audio equipment
12/05/2013US20130322645 Data recognition and separation engine
12/05/2013US20130322643 Multi-Microphone Robust Noise Suppression
12/05/2013US20130322639 Systems and methods for acoustic echo cancellation with wireless microphones and speakers
12/05/2013US20130322637 Condenser microphone
12/05/2013DE102013210200A1 Operating device for adjusting e.g. volume of tinnitus masker used for therapy of tinnitus patient, has analyzing device detecting operating noise, and outputting operating signal as output signal during detecting noise
12/04/2013EP2670165A2 A microphone array system and method for sound acquistion
12/04/2013EP2670164A1 Navigation device
12/04/2013EP2584326B1 Antenna for supporting an array of transducers and method for mounting such an antenna
12/04/2013CN203327224U Dual-mode earphone circuit
12/04/2013CN203327223U Intelligent voice remote control sound equipment control system
12/04/2013CN203327222U Voice player for urban buildings
12/04/2013CN203327221U Portable wireless music AP
12/04/2013CN203327220U Laser voice circuit based on PSD
12/04/2013CN203327219U Multifunctional wireless sound system
12/04/2013CN203327218U Portable stereo supporting NFC identification
12/04/2013CN203327217U Sound equipment system circuit board
12/04/2013CN103428609A Apparatus and method for removing noise
12/04/2013CN103428608A Active noise reduction
12/04/2013CN103428607A Audio signal playing system and electronic device
12/04/2013CN103428327A System and method for decreasing harm of terminal sound pressure to auditory organ of human body
12/04/2013CN103427883A Bluetooth audio adapter and audio player
12/04/2013CN101884225B Direct digital speaker apparatus having a desired directivity pattern and control method thereof
12/04/2013CN101853560B RF (radio frequency) remote-controller with an earphone and control method thereof
12/03/2013US8600080 Methods for communicating with electronic device accessories
12/03/2013US8600079 Amplifier circuit of capacitor microphone
12/03/2013US8600069 Multi-channel active noise control system with channel equalization
12/03/2013CA2715742C Circuit, system and method for adjusting an audio signal
11/2013
11/28/2013WO2013176073A1 Audio signal conversion device, method, program, and recording medium
11/28/2013WO2013175995A1 Voice coil speaker
11/28/2013WO2013175780A1 Electronic equipment and method of controlling electronic equipment
11/28/2013WO2013175662A1 Speaker
11/28/2013WO2013175477A1 A system, a method and a computer program product for controlling a set of actuator elements
11/28/2013WO2013174797A1 Wave field analysis method
11/28/2013WO2013174165A1 Audio signal broadcasting system and electronic apparatus
11/28/2013US20130317809 Speech masking and cancelling and voice obscuration
11/28/2013US20130316691 Variable beamforming with a mobile platform
11/28/2013US20130315422 Sound reproduction apparatus and sound reproduction method
11/28/2013US20130315421 Combo-jack detecting circuit
11/28/2013US20130315415 Ear microphone and voltage control device for ear micrrophone
11/28/2013US20130315414 Earphone with active suppression of ambient noise
11/28/2013US20130315407 Method and device for in ear canal echo suppression
11/28/2013US20130315404 Optimum broadcast audio capturing apparatus, method and system
11/28/2013US20130315403 Spatial adaptation in multi-microphone sound capture
11/28/2013US20130314524 Display apparatus, hearing level control apparatus, and method for correcting sound
11/27/2013EP2666710A1 Underwater communication device
11/27/2013EP2666307A1 Audio processing device
11/27/2013EP2666160A1 An audio scene processing apparatus
11/27/2013CN203313398U Single directive electret microphone structure
11/27/2013CN203313386U Wireless audio processing equipment, wireless audio player, household karaoke system
11/27/2013CN103414984A System for eliminating explosion sound of earphones
11/27/2013CN103414983A Method and system for achieving multi-position transmission in loudspeaker based on Bluetooth communication
11/27/2013CN103414982A Method and device for offering voice
11/27/2013CN103414981A Device, method and terminal for recognizing audio interface pins
11/27/2013CN103414966A Miniature sound box
11/27/2013CN102377088B Audio signal receiving and transferring device
11/27/2013CN102160399B Sound reproducing apparatus
11/26/2013USRE44611 System and method for integral transference of acoustical events
11/26/2013US8594743 Portable terminal, audio output control method, and audio output control program
11/26/2013US8594350 Set-up method for array-type sound system
11/26/2013US8594346 Audio output drivers for piezo speakers
11/26/2013US8594342 Transducer device including feedback circuit
11/21/2013WO2013172019A1 Electronic device
11/21/2013WO2013171825A1 Acoustic processing apparatus, acoustic processing method, and acoustic processing program
11/21/2013US20130308800 3-D Audio Data Manipulation System and Method
11/21/2013US20130308797 Multi-Membrane Microphone for High-Amplitude Audio Capture
11/21/2013US20130308795 Interface circuit for connecting a microphone circuit to a preamplifier
11/21/2013US20130308790 Methods and systems for doppler recognition aided method (dream) for source localization and separation
11/21/2013US20130308788 System for accessing personal media data in a remote location
11/21/2013US20130308786 Ear-worn speaker-carrying devices
11/20/2013EP2665293A1 Sound reproduction device, reproduction sound adjustment method, acoustic property adjustment device, acoustic property adjustment method, and computer program
11/20/2013EP2665292A2 Hearing assistance apparatus
11/20/2013EP2664161A1 Loudness maximization with constrained loudspeaker excursion
11/20/2013EP2664160A1 Variable beamforming with a mobile platform
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