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)
08/2014
08/06/2014EP2761749A1 A novel efficient digital microphone decimation filter architecture
08/06/2014EP2761617A1 Processing signals
08/06/2014CN203761574U 不同规格制式的耳机可切换的兼容设备 Compatible device with different specifications standard headset switchable
08/06/2014CN203761573U 一种电子分音器 An electronic crossover
08/06/2014CN203761556U 双重麦克风降噪耳机 Dual microphone noise canceling headphones
08/06/2014CN203761555U 追声话筒 Chase vocal microphone
08/06/2014CN203761535U 一种电子数字点歌式的便携插卡音箱 An electronic digital song style portable speaker card
08/06/2014CN203761446U 用于在移动终端中为耳机供电的电路 Is used in a mobile terminal for the headphone power supply circuit
08/06/2014CN203761337U 功率可调的定向强声示警系统 Power adjustable directional strong voice warning system
08/06/2014CN103975607A 具有输入滤波器的麦克风缓冲器电路 Input filter having a microphone buffer circuit
08/06/2014CN103974171A 爆破音消除电路 Plosive cancellation circuit
08/06/2014CN103974170A 多传感器录音装置与方法 Multi-sensor recording device and method
08/06/2014CN103974169A 音频处理装置及音频处理方法 Audio processing apparatus and an audio processing method
08/06/2014CN103974168A 一种信息处理方法及电子设备 An information processing method and an electronic device
08/06/2014CN103974167A 平板电子设备及其音频播放装置 Tablet electronic device and the audio playback device
08/06/2014CN103974163A 耳机兼容方法和装置及移动终端 Method and apparatus for compatible headsets and mobile terminal
08/06/2014CN103974157A 通过耳机接口供电的电子装置及耳机电源线 Through the headphone jack powered electronic devices and headphones power line
08/06/2014CN103973259A 用于音频近场支付的简易二阶带通滤波器 Simple second order for the payment of the near-field audio bandpass filter
08/06/2014CN102761803B 一种音频接口自适应装置 An audio interface adaptive devices
08/06/2014CN102611963B 一种车载音响智能音量调节系统 A vehicle-mounted stereo intelligent volume control system
08/06/2014CN102611961B 一种终端的多路音频切换方法及装置 Multi-channel audio switching method and device terminals
08/06/2014CN102469390B 具有天线结构的喇叭装置 Horn means having an antenna structure
08/06/2014CN102395079B 一种负控车载音响 One kind of negative control car stereo
08/06/2014CN102314871B 一种传声器本身的机械噪声的消噪方法和装置 One kind of noise-canceling microphone method and apparatus itself mechanical noise
08/06/2014CN101981944B 麦克风阵列的环绕声产生 Surround microphone array generation
08/06/2014CN101843114B 一种聚焦音频信号的方法、装置及集成电路 One kind of an audio signal focusing method, apparatus and integrated circuits
08/05/2014US8798955 Acoustic energy measurement device, and acoustic performance evaluation device and acoustic information measurement device using the same
08/05/2014US8798288 Voice output device
08/05/2014US8798284 User selectable masking sounds for medical instruments
08/05/2014US8798281 Control of a loudspeaker output
08/05/2014US8798279 Adjusting acoustic speaker output based on an estimated degree of seal of an ear about a speaker port
07/2014
07/31/2014WO2014115088A1 Method of configuring planar transducer arrays for broadband signal processing by three-dimensional beamforming and signal processing systems using such method, particularly an acoustic camera
07/31/2014WO2014041385A3 A device simulating the distortion of human ear and a method to process a sound signal
07/31/2014US20140211970 Earphone arrangements
07/31/2014US20140211968 Method for dynamically adjusting gain of parametric equalizer according to input signal, dynamic parametric equalizer and dynamic parametric equalizer system employing the same
07/31/2014US20140211964 Audio output device
07/31/2014US20140211961 Communication systems and methods to broadcast audio or control to a remotely located device
07/31/2014US20140211957 Noise Mitigating Microphone System
07/31/2014US20140211956 Earpiece set variably emitting light and flashing according to changing of acoustic frequency
07/30/2014EP2760224A1 Directional loudspeaker
07/30/2014EP2760221A1 Microphone hiss mitigation
07/30/2014EP2760220A1 Sound reproduction device
07/30/2014EP2759978A2 Method for providing a compensation service for characteristics of an audio device using a smart device
07/30/2014EP2759843A1 Sound source detection device
07/30/2014CN203747983U 一种多数据通道的蓝光音响 A multi-channel Blu-ray audio data
07/30/2014CN203747982U 一种具有静音功能的扩展拾音器 Extended pickup having a mute function
07/30/2014CN203747981U 一种带语音播报功能的蓝牙音箱 A voice broadcast feature with Bluetooth speakers
07/30/2014CN203747980U 磁路系统及应用所述磁路系统的电声器件 Electro-acoustic devices magnetic system and application of the magnetic system
07/30/2014CN203747979U 扬声器输出电路 Speaker output circuit
07/30/2014CN203747978U 一种基于集成芯片的蓝牙耳机 Based on the integrated chip Bluetooth headset
07/30/2014CN203747955U 一种无线数字麦克风系统 A wireless digital microphone system
07/30/2014CN203747954U 麦克风、以及音频传输系统 A microphone, and the audio transmission system
07/30/2014CN203747948U 一种微型音响 A miniature stereo
07/30/2014CN203747940U 一种室外蓝牙音箱 One kind of outdoor Bluetooth speaker
07/30/2014CN203747938U 一种语音输入降噪装置 A voice input noise reduction device
07/30/2014CN203746418U 报警系统中双音频合成电路 Dual alarm system audio synthesis circuit
07/30/2014CN103959815A 音频信号处理设备和参数调整方法 The audio signal processing apparatus and method for parameter adjustment
07/30/2014CN103959814A 耳孔可佩戴式声音收集设备，信号处理设备和声音收集方法 Ears wearable sound collecting device, a sound signal processing apparatus and method for collecting
07/30/2014CN103959813A 耳孔可佩戴式声音收集设备，信号处理设备和声音收集方法 Ears wearable sound collecting device, a sound signal processing apparatus and method for collecting
07/30/2014CN103957073A 一种通过音频接口进行数据传输的方法 A method for data transmission via the audio interface
07/30/2014CN103957055A 无线音响系统的接收装置及无线音响系统 Receiver wireless audio systems and wireless audio system
07/30/2014CN103119962B 传声器单元以及集音装置 Microphone unit, and set audio device
07/30/2014CN102761807B 有源消噪装置及消噪方法 Active noise cancellation device and de-noising method
07/30/2014CN102547530B 具有迟滞比较电路的音频静噪系统 With hysteresis comparator circuit audio squelch system
07/30/2014CN102547529B Pop噪声抑制电路及系统 Pop noise suppression circuits and systems
07/30/2014CN102404675B 振动扬声器的驱动控制电路 Vibration of the speaker drive control circuit
07/30/2014CN102045621B 声音处理设备和声音处理方法 The sound processing apparatus and a sound processing method
07/29/2014CA2713450C Apparatus and method for computing filter coefficients for echo suppression
07/24/2014US20140205134 Electronic device
07/24/2014US20140205128 Chip arrangement and a method for manufacturing the same
07/24/2014US20140205116 System, device, and method for establishing a microphone array using computing devices
07/24/2014US20140205115 Audio Mixing Method, Apparatus and System
07/24/2014US20140205112 Method and system of extending battery life of a wireless microphone unit
07/24/2014US20140205106 Instrument amplification systems incorporating reflection cancelling boundary microphones and multiband compression
07/24/2014US20140205105 Audio system signal processing control using microphone movement information
07/24/2014DE102013100651A1 Verfahren und Vorrichtung zum Verteilen eines Tonsignals auf eine Mehrzahl von Lautsprechern Method and apparatus for distributing an audio signal to a plurality of speakers,
07/23/2014EP2757811A1 Modal beamforming
07/23/2014EP2757810A2 Microphone assembly with adjustable directional characteristics for motor vehicles
07/23/2014EP2757809A1 Receiving circuit, semiconductor device, and sensor device
07/23/2014EP2757765A1 Audio system signal processing control using microphone movement information
07/23/2014EP2757685A1 Speech processing device and method, and program
07/23/2014CN203734827U 一种麦克风检测电路及其移动终端设备 One kind of microphone detection circuit and mobile devices
07/23/2014CN203734826U 一种喷泉音响 One kind of fountain sound
07/23/2014CN203734825U 一种音频信号处理电路及音频播放装置 An audio signal processing circuit and an audio playback device
07/23/2014CN203734824U 一种输入音量控制器 An input volume controller
07/23/2014CN203734823U 音频装置 Audio device
07/23/2014CN203734822U 音频口连接方式自动识别电路和音频播放设备 Audio port connection automatic identification circuit and audio playback equipment
07/23/2014CN203734821U 具有声音链模式的音频系统 Sound chain model has an audio system
07/23/2014CN203734817U 一种智能多媒体音箱 An intelligent multimedia speakers
07/23/2014CN203734805U 多功能话筒 Multifunction Microphone
07/23/2014CN203734803U 无线灯光音箱 Wireless Light Speaker
07/23/2014CN203733469U 一种带mic唱歌功能的背景音乐主机 Background music host a function with a mic to sing
07/23/2014CN103947224A 使用无线对接系统配置和控制音频系统的混合器的方法和设备 Methods and apparatus for using wireless docking system configuration and control of the audio system of the mixer
07/23/2014CN103945307A 声音信号处理芯片 Sound signal processing chip
07/23/2014CN103945306A 扬声器的磁力强度参数的侦测装置及方法 Apparatus and method for detecting the magnetic strength parameters speaker
07/23/2014CN103945305A 一种信息处理的方法及电子设备 An information processing method for an electronic device and
07/23/2014CN103945303A 一种耳效3d录音环 One kind of ear rings recordings 3d effect
07/23/2014CN103945291A 一种应用双麦克风定向传声的方法及装置 Application of dual-microphone method and apparatus for directional sound transmission
07/23/2014CN103943986A 耳机麦克风与主板连接线的接口排线 Headset microphone connected to the motherboard wire interface cable
07/23/2014CN103943111A 一种身份识别的方法及装置 An identity recognition method and apparatus
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