Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 3 - Circuits for transducers
Patents for H04R 3 - Circuits for transducers (18,190)
10/2013
10/31/2013US20130287226 Reduced-delay subband signal processing system and method
10/31/2013US20130287225 Sound enhancement method, device, program and recording medium
10/31/2013US20130287224 Noise suppression based on correlation of sound in a microphone array
10/31/2013US20130287223 Unidirectional microphone
10/31/2013US20130287220 Ambient Noise Cancellation for Voice Communication Device
10/30/2013EP2658287A1 Oscillator device and electronic instrument
10/30/2013EP2658284A1 Oscillator device and electronic instrument
10/30/2013EP2658283A1 Oscillator device and electronic instrument
10/30/2013EP2658282A1 Automatic muting of undesired noises by a microphone array
10/30/2013EP2658281A1 Audio control device and image capture device
10/30/2013EP2656633A1 Device and method for calculating speaker signals for a plurality of speakers using a delay in the frequency domain
10/30/2013EP2656632A2 Method and system for speech enhancement in a room
10/30/2013CN203261469U Selective denoising device
10/30/2013CN203261468U One-piece multipurpose active sound box
10/30/2013CN203261467U Tone tuning intelligent converting universal board for earphone of mobile phone
10/30/2013CN203261466U Effector apparatus connected with intelligent terminal
10/30/2013CN203261458U Two-microphone denoising-type Bluetooth earphone and vehicle therewith
10/30/2013CN103380629A A transducer apparatus
10/30/2013CN103380628A Audio processing device, audio processing method, and program
10/30/2013CN103380456A A noise suppressing method and a noise suppressor for applying the noise suppressing method
10/30/2013CN103380385A Approaching vehicle detection device and approaching vehicle detection method
10/30/2013CN103380054A 水下通信装置 Underwater communication device
10/30/2013CN103379412A Audio device with a voice coil channel and a separately amplified telecoil channel
10/30/2013CN103379411A Control device and method for decreasing transient signal of audio system in turning on and turning off
10/30/2013CN103379410A Sensor circuit and calibration method
10/30/2013CN103379409A Music rhythm electroacoustic low frequency power amplifying signal conversion circuit
10/30/2013CN103379408A 信号处理模块 Signal processing module
10/30/2013CN103379405A LAN Speaker
10/30/2013CN103379402A Headphone jack circuit and portable electronic device with same
10/30/2013CN103379400A Earphone detecting circuit and electronic apparatus having same
10/30/2013CN103379397A Data transmission method, data processing method, and signal processing method and module based on audio interface
10/30/2013CN103379396A Method, module and circuit of audio interface microphone electrode and ground electrode control
10/30/2013CN102113346B Method for adaptive control and equalization of electroacoustic channels
10/30/2013CN101796853B Sound collection device
10/30/2013CN101685961B Power supply circuit of audio frequency power amplifier
10/30/2013CN101330769B Voice input-output device and communication device
10/29/2013US8571694 Method for setting audio parameters in a digital signal processor in an electronic device, and electronic device
10/29/2013US8571238 Microphone
10/27/2013CA2808737A1 Noise handling during audio and video recording
10/24/2013WO2013158298A1 Parametric transducers related methods
10/24/2013WO2013156439A1 Method and device for controlling the operating temperature of a loudspeaker
10/24/2013US20130279717 Sensor circuit and calibration method
10/24/2013US20130279716 System and method for directionally radiating sound
10/24/2013US20130279713 Method and electronic device for determining headset line sequence
10/24/2013US20130279707 Sound reproducing device, reproduced sound adjustment method, acoustic characteristic adjustment device, acoustic characteristic adjust method, and computer program
10/23/2013CN203251418U Audio frequency processing system for vehicle-mounted sound equipment
10/23/2013CN203251417U Loudspeaker device having physiotherapy function for channels and collaterals
10/23/2013CN203251411U Active noise cancellation (ANC) earphone
10/23/2013CN103369443A An acoustical transmission means and a method for transmitting a sound
10/23/2013CN103369430A Earphone interface circuit and audio playing device
10/23/2013CN103369429A Low voice enhancing method and device and voice control device
10/23/2013CN103369428A Detection and estimation method for background subtraction of environment noise
10/23/2013CN103369427A Audio amplifier apparatus
10/23/2013CN103369426A Popping-proof circuit
10/23/2013CN103369419A Corded audio device
10/23/2013CN103368541A Power-off delay circuit and method, and sound system with power-off delay function
10/23/2013CN102075831B Signal processing apparatus, signal processing method, and program therefor
10/23/2013CN101794574B Device for and method of processing audio data
10/23/2013CN101682808B Acoustic device
10/23/2013CN101518098B Controller and user interface for dialogue enhancement techniques
10/22/2013US8565456 Hearing aid
10/22/2013US8565446 Estimating direction of arrival from plural microphones
10/22/2013US8565445 Combining audio signals based on ranges of phase difference
10/22/2013CA2611462C Alarm system audio interface tamper and state detection
10/17/2013WO2013154862A1 Underwater acoustic array, communication and location system
10/17/2013WO2013154823A2 System for adjusting loudness of audio signals in real time
10/17/2013WO2013154701A1 Object recognition using multi-modal matching scheme
10/17/2013WO2013153828A1 Electronic device
10/17/2013WO2013153583A1 Vehicle-mounted audio input device
10/17/2013WO2013124490A3 Apparatus for providing an audio signal for reproduction by a sound transducer, system, method and computer program
10/17/2013US20130272564 Receiver with a non-uniform shaped housing
10/17/2013US20130272548 Object recognition using multi-modal matching scheme
10/17/2013US20130272547 Adaptive Rail Power Amplifier Technology
10/17/2013US20130272544 Audio control method and audio player using audio control method
10/17/2013US20130272541 Mobile communication device capable of setting tone color and method of setting tone color
10/17/2013US20130272540 Noise suppressing method and a noise suppressor for applying the noise suppressing method
10/17/2013US20130272539 Systems, methods, and apparatus for spatially directive filtering
10/17/2013US20130272529 Apparatus and method with enhancement of sound quality
10/17/2013DE102012206299A1 Verfahren zum Betreiben einer Hörvorrichtung Method for operating a hearing device
10/16/2013EP2651147A1 Electronic device and acoustic playback method
10/16/2013CN203243508U Wireless howling suppression device
10/16/2013CN203243507U Strong pulse protection circuit for vehicular audio system
10/16/2013CN203243506U Voice reverberation reducing device based on two microphones
10/16/2013CN203242334U Wind suppression/replacement component for use with electronic systems
10/16/2013CN203242041U Full intelligent voice clock indicator
10/16/2013CN1822718B Small light and thin large power high sensitivity high sound quality speaker and power drive and control circuit
10/16/2013CN103354628A Automatic tone-tuning sound box control circuit
10/16/2013CN102227768B Noise cancellation device and noise cancellation program
10/16/2013CN101931838B method for determining gain of gain controller
10/16/2013CN101681663B A device for and a method of processing audio data
10/15/2013US8559657 Capacitor microphone
10/15/2013US8559643 Stereo microphone unit and stereo microphone
10/15/2013CA2787775C Sound processing system for configuration of audio signals in a vehicle
10/15/2013CA2488689C Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
10/11/2013CA2811885A1 Audio device with a voice coil channel and a separately amplified telecoil channel
10/10/2013WO2013151918A1 Instability detection and avoidance in a feedback system
10/10/2013WO2013151789A1 Systems, methods, apparatus, and computer-readable media for gestural manipulation of a sound field
10/10/2013WO2013151155A1 Data processing device and data processing program
10/10/2013WO2013151087A1 Data processing device and data processing program
10/10/2013WO2013150649A1 Vibration signal generation device and method, computer program, recording medium, and sensory audio system
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