| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 07/12/2012 | US20120177214 Vehicle engine sound enhancement |
| 07/12/2012 | DE102011004338B3 Verfahren und Vorrichtung zum Schätzen eines Störgeräusches Method and apparatus for estimating an interference noise |
| 07/11/2012 | EP2475191A2 Speaker unit and speaker system using same speaker unit |
| 07/11/2012 | EP2475189A2 Acoustic transducer and method of driving the same |
| 07/11/2012 | EP2474170A1 Delay unit for a conference audio system, method for delaying audio input signals, computer program and conference audio system |
| 07/11/2012 | EP2033480B1 Volume and tone control in direct digital speakers |
| 07/11/2012 | CN202334893U 助听器试听机 Hearing audition machine |
| 07/11/2012 | CN202334887U 改进的耳背式助听器电路 Improved BTE hearing aid circuit |
| 07/11/2012 | CN202334880U 高性能集成电路调频无线话筒 High-performance integrated circuits FM wireless microphone |
| 07/11/2012 | CN202334865U 喇叭接地短路保护系统 Speaker is shorted to ground protection systems |
| 07/11/2012 | CN202334849U 一种抗干扰耳机 One kind of interference headphones |
| 07/11/2012 | CN202334838U 变容二极管制作的调频无线话筒 Varactor made FM wireless microphone |
| 07/11/2012 | CN202334835U 集成电路制作的调频无线话筒 IC production FM wireless microphone |
| 07/11/2012 | CN202331352U 一种音响节电器 An acoustic Saver |
| 07/11/2012 | CN1868236B Method and electronic device for detecting noise in a signal based on autocorrelation coefficient gradients |
| 07/11/2012 | CN102577438A An input signal mismatch compensation system |
| 07/11/2012 | CN102577434A Systems and methods for acousto-haptic speakers |
| 07/11/2012 | CN102577433A Volume adjustment based on listener position |
| 07/11/2012 | CN102577114A Multiband compressor |
| 07/11/2012 | CN102576543A Multi-input noise suppresion device, multi-input noise suppression method, program, and integrated circuit |
| 07/11/2012 | CN102572664A Discrete component frequency modulation wireless microphone |
| 07/11/2012 | CN102572650A Aural smoothing of a vehicle |
| 07/11/2012 | CN102572649A Audio signal processing device, audio signal processing method, and program |
| 07/11/2012 | CN102572648A Circuit structure for inhibiting on-off POP sound of audio power amplifier |
| 07/11/2012 | CN102572647A Sound signal output device, speaker device, and sound signal output method |
| 07/11/2012 | CN102572646A Denoising method and device implemented in state of listening to music by using headset |
| 07/11/2012 | CN102572645A Audio equipment and method for controlling to automatically close same |
| 07/11/2012 | CN102572644A Microphone device |
| 07/11/2012 | CN102572643A Plosive eliminating circuit |
| 07/11/2012 | CN102572642A Audio POP sound elimination method and earphone audio circuit |
| 07/11/2012 | CN102572637A Computing system and method for audio signal |
| 07/11/2012 | CN102572635A Earphone, terminal and method capable of switching earphone modes |
| 07/11/2012 | CN102572629A Circuit for suppressing POP sound in earphone, and earphone |
| 07/11/2012 | CN102572626A Wireless microphone and wireless audio receiver |
| 07/11/2012 | CN102571237A Wireless signal detection method based on periodogram |
| 07/11/2012 | CN101466056B Method and device for eliminating noise of microphone |
| 07/11/2012 | CN101438078B Damper for automobiles for reducing vibration of automobile body |
| 07/11/2012 | CN101405924B Power supply for limited power sources and audio amplifier using power supply |
| 07/11/2012 | CA2727672A1 A deformable user interface integrated into a speaker shroud |
| 07/10/2012 | US8218793 Apparatus and muting circuit |
| 07/10/2012 | US8218790 Techniques for customizing control of volume level in device playback |
| 07/10/2012 | US8218787 Microphone array signal processing apparatus, microphone array signal processing method, and microphone array system |
| 07/10/2012 | US8218786 Acoustic signal processing apparatus, acoustic signal processing method and computer readable medium |
| 07/10/2012 | US8218783 Masking based gain control |
| 07/10/2012 | US8218774 Apparatus and method for processing continuous wave fields propagated in a room |
| 07/05/2012 | WO2012091643A1 A noise suppressing method and a noise suppressor for applying the noise suppressing method |
| 07/05/2012 | WO2012090947A1 Transmitter/receiver unit and receiver unit |
| 07/05/2012 | WO2012090944A1 Mobile telephone |
| 07/05/2012 | WO2012090433A1 Electroacoustic transducer |
| 07/05/2012 | WO2012090383A1 Vibration device and electronic apparatus |
| 07/05/2012 | WO2012090382A1 Electronic apparatus |
| 07/05/2012 | WO2012089098A1 Method for communicating with a portable device having audio output |
| 07/05/2012 | WO2012059668A3 Multichannel speaker enclosure |
| 07/05/2012 | US20120170768 Delay unit for a conference audio system, method for delaying audio input signals, computer program and conference audio system |
| 07/05/2012 | US20120169826 Microphone array apparatus having hidden microphone placement and acoustic signal processing apparatus including the same |
| 07/05/2012 | DE102012200142A1 Anc für bt-kopfhörer Anc for bt headphones |
| 07/05/2012 | DE102010019390B4 Schaltungsanordnung Circuitry |
| 07/04/2012 | EP2472904A1 Sound signal processing device |
| 07/04/2012 | EP2471277A1 A directional sound system |
| 07/04/2012 | DE212010000175U1 Ton-Kabel zur Ton-Verstärkung und Geräuschentfernung Sound cable for sound amplification and noise removal |
| 07/04/2012 | CN202310175U 一种输入输出共用一只插座的带音响led手电筒 An input output share an outlet with sound led flashlight |
| 07/04/2012 | CN202310074U 扬声器单元、扬声装置及定向声波驱鸟装置 Speaker unit, speaker system and directional acoustic devices bird |
| 07/04/2012 | CN202310068U 能够快速抑制失真的汽车音响系统 Able to quickly suppress the distortion of car audio systems |
| 07/04/2012 | CN202310067U 一种微型数字可编程音频处理芯片模组 A miniature programmable digital audio processing chip module |
| 07/04/2012 | CN202310066U 降噪耳机低频降噪控制装置 Low-frequency noise control device noise canceling headphones |
| 07/04/2012 | CN202310065U 一种音频输出装置 An audio output device |
| 07/04/2012 | CN202310064U 麦克风放大电路 Microphone amplifier circuit |
| 07/04/2012 | CN202310063U 数字音频处理器 Digital Audio Processor |
| 07/04/2012 | CN202310062U Compatible three-section earphone insertion detection circuit |
| 07/04/2012 | CN202310061U FPC (Flexible Printed Circuit) connecting type MEMS (Micro-Electro-Mechanical-System) microphone |
| 07/04/2012 | CN202310055U 机动车及其三音喇叭总成 Motor vehicles and their three-tone horn assembly |
| 07/04/2012 | CN202310050U Mobile television earphone system of long-distance sleeper coach |
| 07/04/2012 | CN202310031U 一种麦克风 One kind of microphone |
| 07/04/2012 | CN202307121U 基于语音合成的通信数据信息播报系统 Communication data broadcast system based on speech synthesis |
| 07/04/2012 | CN202307119U 一种多麦克风阵列噪声消除装置及系统 A multi-microphone array system and a noise canceling means |
| 07/04/2012 | CN202305008U 振动传感器及应用该振动传感器的电路 Circuit vibration sensor and application of the vibration sensor |
| 07/04/2012 | CN1971709B Noise elimination system, voice identification system and automobile navigation system |
| 07/04/2012 | CN1895000B Intelligibility testing for monitoring or public address systems |
| 07/04/2012 | CN1762179B Set-up method for array-type sound system |
| 07/04/2012 | CN102549661A Sound processing apparatus, sound processing method and hearing aid |
| 07/04/2012 | CN102547531A Audio signal processing device, audio signal processing method, and program |
| 07/04/2012 | CN102547530A Audio squelch system with hysteresis comparison circuit |
| 07/04/2012 | CN102547529A Pop noise suppression circuit and system |
| 07/04/2012 | CN102547528A Booting moment mute circuit |
| 07/04/2012 | CN102547527A Noise reduction apparatus and method, and program |
| 07/04/2012 | CN102547526A Real-time monitoring method and system of microphone working state |
| 07/04/2012 | CN102547525A Method for protecting human ear hearing under earphone mode |
| 07/04/2012 | CN102547524A Method and device for processing audio frequency data in Bluetooth earphone and equipment |
| 07/04/2012 | CN102547523A Volume adjusting method and device |
| 07/04/2012 | CN102547522A Method for adding sound background, and Bluetooth earphone |
| 07/04/2012 | CN102547521A Content reproduction device and method, and program |
| 07/04/2012 | CN102547520A Capacitance microphone, and control system and control method for capacitance microphone |
| 07/04/2012 | CN102547517A Bass signal harmonic generating method and device and sound playing equipment |
| 07/04/2012 | CN102547512A A headset for voice communication |
| 07/04/2012 | CN102547506A Headphone interface circuit and electronic device with same |
| 07/04/2012 | CN102547502A Headset, headset use control method and terminal |
| 07/04/2012 | CN102547501A Headset with MP3 (Moving Picture Experts Group Audio Layer-3) |
| 07/04/2012 | CN102543093A Microphone device |
| 07/04/2012 | CN101923860B Audio softening system, device and method |
| 07/04/2012 | CN101661753B Noise suppressing device, mobile phone and noise suppressing method |