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)
06/2014
06/26/2014WO2014096908A1 Spatial audio apparatus
06/26/2014WO2014096900A1 Spatial audio apparatus
06/26/2014WO2014096020A1 Sound device, method for configuring an amplifier and computer programme
06/26/2014WO2014096005A1 Sound device, method for configuring an amplifier and computer programme
06/26/2014WO2014095250A1 Filter and method for informed spatial filtering using multiple instantaneous direction-of-arrivial estimates
06/26/2014WO2014094496A1 Audio output adjustment method and system thereof
06/26/2014US20140177878 Interface switching system and method for switching operation mode
06/26/2014US20140177874 Digital Microphone With Frequency Booster
06/26/2014US20140177872 Frequency characteristics determination device
06/26/2014US20140177871 Systems and methods of frequency response correction for consumer electronic devices
06/26/2014US20140177870 System and method for digital signal processing
06/26/2014US20140177869 Adaptive phase discovery
06/26/2014US20140177868 Audio processing device comprising artifact reduction
06/26/2014US20140177867 Sound capture system
06/26/2014US20140177860 Dual omnidirectional microphone array (doma)
06/26/2014US20140177859 Echo suppression
06/26/2014US20140177858 Echo suppression
06/26/2014US20140177856 Signal processing apparatus and signal processing method
06/26/2014US20140177854 Systems and methods of frequency response correction for consumer electronic devices
06/26/2014US20140177853 Sound processing device, sound processing method, and program
06/26/2014US20140177851 Sound signal processing apparatus, microphone apparatus, sound signal processing method, and program
06/26/2014US20140177850 Switch techniques for load sensing
06/26/2014DE102012223799A1 Beschallungsvorrichtung, Verfahren zur Konfiguration eines Verstärkers sowie Computerprogramm Sonicator method for configuring an amplifier and computer program
06/26/2014DE102012223783A1 Beschallungsvorrichtung, Verfahren zur Konfiguration eines Verstärkers sowie Computerprogramm Sonicator method for configuring an amplifier and computer program
06/25/2014EP2747452A1 Membrane device with controlled movement
06/25/2014EP2747451A1 Filter and method for informed spatial filtering using multiple instantaneous direction-of-arrivial estimates
06/25/2014EP2747450A1 Electronic device
06/25/2014EP2747449A1 Sound capture system
06/25/2014CN203675305U 一种煤矿设备工况音拾音装置 One kind of coal mining equipment operating conditions sound pickup device
06/25/2014CN203675304U 一种无线音响系统 A wireless audio system
06/25/2014CN203675303U 一种用于音响产品的分频段自适应增益控制系统 A sub-band audio products adaptive gain control system
06/25/2014CN203675302U 一种蜂鸣器驱动电路 One kind buzzer driving circuit
06/25/2014CN203675288U 一种红外线无线语音听力多媒体教学系统及耳机 An infrared wireless voice and headphone listening multimedia teaching system
06/25/2014CN203675260U 一种墙体播放器 One kind of wall Player
06/25/2014CN103891315A 用于麦克风的高电压倍增器和制造方法 A microphone for high voltage multiplier and method of manufacture
06/25/2014CN103891312A 数字音响系统 Digital Sound System
06/25/2014CN103888876A 一种耳机噪音处理电路及耳机 One kind of headphone and earphone noise processing circuit
06/25/2014CN103888875A 汽车行驶记录仪内置扬声器声音音质优化和放大装置 Car drive recorder built-in speaker and amplifier means to optimize sound quality
06/25/2014CN103888874A 音频输入输出装置及音频输入输出方法 Audio input and output device and the audio input and output method
06/25/2014CN103888873A 电子装置、uart输出系统及方法 Electronic device, uart output system and method
06/25/2014CN103888872A 集成声学相位阵列 Integrated Phased Array Acoustics
06/25/2014CN103888871A 一种用于耳机的线控装置及耳机 A remote control unit and headphones headphones
06/25/2014CN103888870A 具有麦克风的手表 Watch with a microphone
06/25/2014CN103888865A 蓝牙耳机盾及其数字签名方法 Bluetooth headsets and digital signature method Shield
06/25/2014CN103885917A 电子设备、连接器和耳机 Electronic equipment, connectors and headphones
06/25/2014CN102763160B 用于稳健噪声降低的麦克风阵列子组选择 For robust noise reduction microphone array sub-group selection
06/25/2014CN102568492B 音频处理设备、音频处理方法和摄像设备 An audio processing device, an audio processing method and an imaging apparatus
06/25/2014CN102365679B 信号处理设备和信号处理方法 The signal processing apparatus and signal processing method
06/25/2014CN102165708B 信号处理方法、信号处理装置及信号处理程序 The signal processing method, a signal processing apparatus and a signal processing program
06/25/2014CN102047688B 用于多通道信号平衡的系统、方法和设备 System for a multi-channel signal balancing method and apparatus
06/25/2014CN102026062B 麦克风信号前置放大的集成电路、方法及芯片和电子设备 Microphone signal preamplifier integrated circuit chips and electronic devices and methods
06/25/2014CN101803187B 电子装置 Electronic devices
06/25/2014CN101217831B 增强音频信号的低频分量与中频分量的方法与装置 Method for enhancing the low-frequency component and the intermediate frequency component of the audio signal and means
06/24/2014US8761687 Bidirectional microphone system
06/24/2014US8761413 Audio apparatus with circularly arranged microphones
06/24/2014US8761412 Microphone array steering with image-based source location
06/24/2014US8761411 Masking noise
06/24/2014US8761409 System for predicting the behavior of a transducer
06/24/2014US8761408 Signal processing apparatus and signal processing method
06/20/2014CA2799890A1 Adaptive phase discovery
06/19/2014WO2014093653A1 Spatial interference suppression using dual- microphone arrays
06/19/2014WO2014091475A1 System and method for coherent processing of signals of a plurality of phased arrays
06/19/2014WO2014089914A1 Voice reverberation reduction method and device based on dual microphones
06/19/2014US20140169608 Microphone actuator
06/19/2014US20140169590 System for blending signals
06/19/2014US20140169577 Drive circuit
06/19/2014US20140169575 Estimation of reverberation decay related applications
06/19/2014US20140169571 Direct measurement of an input signal to a loudspeaker to determine and limit a temperature of a voice coil of the loudspeaker
06/18/2014EP2744223A1 Drive circuit
06/18/2014EP2744221A1 Microphone boom
06/18/2014DE102009051200B4 Hörgerät und Verfahren zur Rückkopplungsunterdrückung mit einem Richtmikrofon Hearing aid and method for feedback suppression with a directional microphone
06/18/2014CN203661288U 一种新型的usb桌面拾音器 A new usb desktop microphone
06/18/2014CN203661277U 一种基于mic接口的低频传感器信号传输装置 A low-frequency sensor signal transmission device interface based mic
06/18/2014CN203661276U 一种静音控制电路 One kind of mute control circuit
06/18/2014CN203661275U 磁路结构 Magnetic structure
06/18/2014CN203661274U 传输数据的装置和系统 Apparatus and system for transmitting data
06/18/2014CN203661271U 具有可分离的无线耳机的音箱系统 Wireless headset with a detachable speaker system
06/18/2014CN203661255U 彩色电激发光耳机 Electrical excitation light colored headphones
06/18/2014CN203660591U 一种共振音箱移动电源 One kind of resonance Speaker Mobile Power
06/18/2014CN203659079U 一种不需接触操作的门禁机装置 One kind of access control without contact operation device
06/18/2014CN103875256A Source dependent wireless earpiece equalizing
06/18/2014CN103874000A Hearing instrument
06/18/2014CN103873988A External device recognition circuit, method, device and system based on headphone jack
06/18/2014CN103873987A Anti-interference remote wireless microphone system and wireless audio transmission method thereof
06/18/2014CN103873986A Silicon microphone and special integrated circuit used in silicon microphone
06/18/2014CN103873985A Direct measurement of input signal to loudspeaker to determine and limit temperature of voice coil of the loudspeaker
06/18/2014CN103873984A System and method for automatically regulating output volume of electronic device
06/18/2014CN103873983A Design method for novel vehicle-mounted audio frequency system
06/18/2014CN103873982A Volume adjustment method and electronic device
06/18/2014CN103873981A Audio adjusting method and acoustic processing apparatus
06/18/2014CN103873980A Audio processing method and device, and electronic device
06/18/2014CN103873975A Bluetooth headset noise reduction method, device and system
06/18/2014CN103873967A Energy-saving type microphone
06/18/2014CN102137316B Digital high-definition multichannel microphone system
06/18/2014CN101902673B Microphone interface circuit
06/18/2014CN101635872B Spectral content modification for robust feedback channel estimation
06/17/2014US8755539 Electrostatic transducer loudspeaker
06/17/2014US8755538 Tuning sound feed-back device
06/17/2014US8755537 Microphone unit and sound collecting device
06/17/2014US8755536 Stabilizing directional audio input from a moving microphone array
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