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)
05/2014
05/28/2014CN203608968U 具有音讯传输装置的保护套 A protective cover audio transmission device
05/28/2014CN103828392A 混响抑制装置 Reverberation suppression device
05/28/2014CN103828391A 音响再现装置 Sound reproduction apparatus
05/28/2014CN103828235A 新型高效数字麦克风抽取滤波器架构 New and efficient digital microphone decimation filter architecture
05/28/2014CN103827966A 处理音频信号 Processing an audio signal
05/28/2014CN103826189A 电子补偿式宽带发射换能器 Electronic compensation broadband transmitting transducer
05/28/2014CN103826185A 自然音效处理电路 Natural sound processing circuit
05/28/2014CN103826178A 耳机装置及其音频驱动装置 Headphone audio device and drive unit
05/28/2014CN103826176A 一种用于汽车司机与乘客之间的司机专用保密耳筒 A chauffeur car drivers and passengers between the private secret Earphones
05/28/2014CN103826174A 一种无线数字麦克风系统 A wireless digital microphone system
05/28/2014CN103826173A 追声话筒及其追声话筒控制方法 Chasing and chasing vocal microphone vocal microphone control methods
05/28/2014CN103825995A 移动电子设备及其音量控制方法 The mobile electronic device and a volume control method
05/28/2014CN103822701A 多声音束汇聚的实验装置及其使用方法 Experimental apparatus and methods of using multi-beam convergence of voice
05/28/2014CN102138337B 具有自包含的语音反馈和语音命令的佩戴型头戴式耳机 Voice commands with voice feedback and self-contained wearable headset
05/28/2014CN101981945B 主动噪声控制装置 Active noise control device
05/28/2014CN101902672B 音频设备和设置音频设备中使用的总线的数量的方法 Number of audio equipment and set up audio equipment method used bus
05/28/2014CN101765042B 声波输出装置、语音通信装置、声波输出方法 Acoustic output means, voice communication means, a sound output method
05/27/2014US8738367 Speech signal processing device
05/27/2014US8737646 Temperature compensated voltage pump
05/27/2014US8737634 Wide area noise cancellation system and method
05/22/2014WO2014077989A1 Device and system having smart directional conferencing
05/22/2014WO2014077234A1 Sound system and electronic equipment
05/22/2014WO2014076430A1 Acquisition of spatialised sound data
05/22/2014WO2013166567A8 Method for the transmission of data between devices over sound waves
05/22/2014US20140140541 Adaptive High Fidelity Reproduction System
05/22/2014US20140140538 System and Method for High Input Capacitive Signal Amplifier
05/22/2014US20140140531 Method of controlling a wireless audio signal
05/22/2014US20140140527 Microphone array with rear venting
05/22/2014US20140140524 Wind suppression/replacement component for use with electronic systems
05/22/2014US20140139046 Method and Electrical Interface Circuit Enabling Multiplexing
05/22/2014DE102013112655A1 Kabel mit Audioaufzeichnung und Wiedergabe Cable with audio recording and playback
05/21/2014EP2732638A1 Speech enhancement system and method
05/21/2014CN203608346U 便携式蓝牙音箱 Portable Bluetooth Speaker
05/21/2014CN203608345U 一种高效节能无线麦克风发射器装置 An energy efficient wireless microphone transmitter device
05/21/2014CN203608344U 有源音乐箱 Active Music Box
05/21/2014CN203608339U 波导管 Waveguide
05/21/2014CN203608336U 一种用于耳机的线控装置及耳机 A remote control unit and headphones headphones
05/21/2014CN203608335U 一种用于耳机的线控装置及耳机 A remote control unit and headphones headphones
05/21/2014CN203606823U 一种语音提示设备及输入装置 A voice prompt device and input device
05/21/2014CN103814586A 指向性扬声器 Directional loudspeaker
05/21/2014CN103814585A 用于模块化点播音频处理、放大及分发的系统和方法 System and method for a modular on-demand audio processing, amplification and distribution
05/21/2014CN103814584A 声音处理装置、声音处理方法和程序 The sound processing apparatus, sound processing method, and program
05/21/2014CN103813239A 信号处理系统和信号处理方法 A signal processing system and signal processing method
05/21/2014CN103813238A 一种音频控制电路及电子设备 An audio control circuit and the electronic device
05/21/2014CN103813237A 一种具有静音功能的扩展拾音器及其实现方法 Extended pickups and its implementation method has a mute function
05/21/2014CN103813236A 扬声器保护的相关方法及装置 Speaker protection method and device-related
05/21/2014CN103813235A 一种信息处理的方法及装置 An information processing method and apparatus
05/21/2014CN103813234A 一种控制方法和电子设备 A control method of an electronic device and
05/21/2014CN103813231A 一种判断接入信号的方法、智能设备、系统以及插头 A method for judging an access method signal, smart devices, systems and plug
05/21/2014CN103813228A 一种耳机及其激活方法 One kind of headset and activation methods
05/21/2014CN103813226A 一种电子数字点歌式的便携插卡音箱 An electronic digital song style portable speaker card
05/21/2014CN103812460A 免滤波模拟输入d类音频放大器的截波方法及装置 Free filtered analog input d class audio amplifier chopping method and apparatus
05/21/2014CN101964190B 扬声器截止频率以下信号还原原声的方法和装置 Method and apparatus for speaker below the cutoff frequency of the signal restored soundtrack
05/21/2014CN101926181B 用于处理音频信号的方法和装置 Method and apparatus for processing an audio signal
05/20/2014US8731213 Voice analyzer for recognizing an arrangement of acquisition units
05/20/2014US8731212 Sound collecting device, acoustic communication system, and computer-readable storage medium
05/20/2014US8731211 Calibrated dual omnidirectional microphone array (DOMA)
05/20/2014US8731186 Microphone disruption apparatus and method
05/16/2014CA2831817A1 Cable having audio recording and play back
05/15/2014WO2014073704A1 Signal processing system and signal processing method
05/15/2014WO2014073657A1 Acoustic device and acoustic processing method
05/15/2014WO2014071788A1 Sound receiving system
05/15/2014US20140133677 Digital electronic interface circuit for an acoustic transducer, and corresponding acoustic transducer system
05/15/2014US20140133675 Time Interval Sound Alignment
05/15/2014US20140133674 Audio processing device, method and program
05/15/2014US20140133672 Automatic audio enhancement system
05/15/2014US20140133666 Signal processing system and signal processing method
05/15/2014DE112012003559T5 Hochspannungsvervielfacher für ein Mikrofon und Herstellungsverfahren High voltage multiplier for a microphone and manufacturing processes
05/15/2014DE102011078552B4 Verfahren und Vorrichtungen zum Erzeugen eines Audiosignals Methods and apparatus for generating an audio signal
05/14/2014EP2731351A2 Adaptive system for managing a plurality of microphones and speakers
05/14/2014EP2730099A1 Estimating nonlinear distortion and parameter tuning for boosting sound
05/14/2014CN203596902U 具有线性功率音量控制的音频功率放大集成电路芯片 Volume control with linear power audio power amplifier integrated circuit chip
05/14/2014CN203596901U 音频播放设备 Audio playback device
05/14/2014CN203596896U 个人音响 Personal Audio
05/14/2014CN203596865U 音频信号高频补偿电路 Audio signal high-frequency compensation circuit
05/14/2014CN203595967U 一种带有多耳机通道的平板电脑 A tablet PC with multi-channel headphones
05/14/2014CN103797816A 语音增强系统和方法 Speech enhancement system and method
05/14/2014CN103797815A 接收电路、半导体装置、传感器装置 A receiving circuit, a semiconductor device, a sensor device
05/14/2014CN103796136A 保证不同音效模式输出响度及音质的设备和方法 Ensure that equipment and different methods of sound loudness and sound quality of the model output
05/14/2014CN103796135A 具有回声消除的动态扬声器管理 Echo cancellation dynamic speaker management
05/14/2014CN103796134A 用于电容信号源放大器的系统和方法 System and method for the capacitance of the signal source amplifier
05/14/2014CN103796132A 具有可分离的无线耳机的音箱系统及其控制方法 Speaker system and control method has a detachable wireless headphones
05/14/2014CN103796118A 一种带sd卡数据读取功能便携式音箱 An sd card data read function with portable speakers
05/14/2014CN103796117A 一种带sd卡数据读取及手电功能便携式音箱 A data reading and flashlight function portable speaker with sd card
05/14/2014CN103796116A 一种带sd卡数据读取及指南针功能便携式音箱 An sd card data reading and compass functions with portable speakers
05/14/2014CN103796115A 一种带sd卡数据读取及充电功能便携式音箱 An sd card data reading and charging function with portable speakers
05/14/2014CN103796110A 一种带手电功能便携式太阳能音箱 A tape flashlight function Portable Solar Speaker
05/14/2014CN103796108A 一种带指南针及收音机功能便携式太阳能音箱 A tape compass and radio function Portable Solar Speaker
05/14/2014CN103796107A 一种带时钟功能便携式太阳能音箱 A clock function Portable Solar Speaker band
05/14/2014CN103796106A 一种带指南针及手电功能便携式太阳能音箱 A tape compass and flashlight function Portable Solar Speaker
05/14/2014CN103796105A 一种带指南针及充电功能便携式太阳能音箱 A tape compass and charging function Portable Solar Speaker
05/14/2014CN103796104A 一种带指南针便携式太阳能音箱 A tape Compass Portable Solar Speaker
05/14/2014CN103796103A 一种带收音机功能便携式太阳能音箱 A tape radio function Portable Solar Speaker
05/14/2014CN103796102A 一种便携式太阳能音箱 A portable solar Speakers
05/14/2014CN103796101A 一种带指南针及时钟功能便携式太阳能音箱 A tape compass and clock function Portable Solar Speaker
05/14/2014CN103796100A 一种带充电及蓝牙功能便携式太阳能音箱 A tape portable solar charging and Bluetooth Speaker
05/14/2014CN103796098A 一种带充电及手电功能便携式太阳能音箱 A tape and flashlight function portable solar charging speaker
05/14/2014CN103796097A 一种带蓝牙及时钟功能便携式太阳能音箱 A tape and a clock function Portable Solar Bluetooth Speaker
05/14/2014CN103796091A 一种带指南针及手电功能便携式太阳能音箱 A tape compass and flashlight function Portable Solar Speaker
05/14/2014CN103796090A 一种带指南针及充电功能便携式音箱 A compass and a portable speaker with charging function
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