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1. 发明申请

US20090052686A1 ELECTRONIC DEVICE WITH AN INTERNAL MICROPHONE ARRAY 审中-公开
标题翻译：具有内部麦克风阵列的电子设备
公开(公告)号：US20090052686A1
公开(公告)日：2009-02-26
申请号：US11843692
申请日：2007-08-23
申请人： Li-Te Wu , Yu-De Tsai , Yi-Wen Chen , Sung-Kai Yang , Kuo-Yu Lin
发明人： Li-Te Wu , Yu-De Tsai , Yi-Wen Chen , Sung-Kai Yang , Kuo-Yu Lin
IPC分类号： H04R3/00
CPC分类号： H04R1/406 , H04R2430/20 , H04R2499/11
摘要： An electronic device includes a front cover, a circuit board, a plurality of flexible boots, a plurality of microphones, and an abutting mechanism. The front cover includes a plurality of wall portions, a plurality of storage spaces encircled by the wall portions, and a plurality of acoustic openings connecting to the storage spaces. The flexible boots are disposed in the storage spaces. The microphones are mounted on the circuit board and disposed in the boots. The abutting mechanism pushes the circuit board toward the front cover to squeeze the flexible boot.
摘要翻译：电子设备包括前盖，电路板，多个柔性靴，多个麦克风和抵靠机构。前盖包括多个壁部，由壁部包围的多个存放空间，以及连接到存放空间的多个声学开口。柔性靴子设置在存储空间中。麦克风安装在电路板上并设置在靴子中。抵靠机构将电路板朝向前盖推动以挤压柔性靴。

2. 发明申请

US20090274333A1 ELECTRONIC DEVICE WITH INTERNAL ARRAY MICROPHONE AFFIXED TO REAR COVER OF DISPLAY 有权
标题翻译：具有内部阵列麦克风的电子设备贴在显示器的后盖上
公开(公告)号：US20090274333A1
公开(公告)日：2009-11-05
申请号：US12112041
申请日：2008-04-30
申请人： Yu-Hsi Lan , Li-Te Wu , Yu-De Tsai
发明人： Yu-Hsi Lan , Li-Te Wu , Yu-De Tsai
IPC分类号： H04R9/04
CPC分类号： H04R1/406
摘要： An electronic device includes a display, a plurality of chambers, and a microphone array. The display includes a front cover and a rear cover affixed to the front cover. The plurality of chambers is formed on the rear cover. The microphone array includes a plurality of microphones disposed in the chambers.
摘要翻译：电子设备包括显示器，多个室和麦克风阵列。显示器包括固定在前盖上的前盖和后盖。多个室形成在后盖上。麦克风阵列包括设置在腔室中的多个麦克风。

3. 发明授权

US08135155B2 Electronic device with internal array microphone affixed to rear cover of display 有权
标题翻译：带有内置阵列麦克风的电子设备贴在显示屏后盖上
公开(公告)号：US08135155B2
公开(公告)日：2012-03-13
申请号：US12112041
申请日：2008-04-30
申请人： Yu-Hsi Lan , Li-Te Wu , Yu-De Tsai
发明人： Yu-Hsi Lan , Li-Te Wu , Yu-De Tsai
IPC分类号： H04R9/04
CPC分类号： H04R1/406
摘要： An electronic device includes a display, a plurality of chambers, and a microphone array. The display includes a front cover and a rear cover affixed to the front cover. The plurality of chambers is formed on the rear cover. The microphone array includes a plurality of microphones disposed in the chambers.
摘要翻译：电子设备包括显示器，多个室和麦克风阵列。显示器包括固定在前盖上的前盖和后盖。多个室形成在后盖上。麦克风阵列包括设置在腔室中的多个麦克风。

4. 发明授权

US08064619B2 Microphone and integrated circuit capible of echo cancellation 有权
标题翻译：麦克风和回路消除的集成电路
公开(公告)号：US08064619B2
公开(公告)日：2011-11-22
申请号：US12366744
申请日：2009-02-06
申请人： Li-Te Wu
发明人： Li-Te Wu
IPC分类号： H04R3/00 , H03F99/00 , H03B29/00 , G10K11/16
CPC分类号： H04R3/02
摘要： The invention provides an integrated circuit of a microphone. In one embodiment, the integrated circuit receives a first signal converted from a sound and receives a reference signal with a digital format for echo cancellation. In one embodiment, the integrated circuit comprises a pre-amplifier, an analog-to-digital converter, a digital signal processor, and a post amplifier. The pre-amplifier amplifies the first signal according to a first gain to obtain a third signal. The analog-to-digital converter converts the third signal from analog to digital to obtain a fourth signal. The digital signal processor cancels an echo component from the fourth signal according to the reference signal to obtain a fifth signal, and determines the first gain and a second gain, wherein a product of the first gain and the second gain is kept constant, and the first gain is determined so that an amplitude of the third signal is kept equal to an amplitude of the reference signal. The post-amplifier amplifies the fifth signal according to the second gain to obtain a second signal as an output of the integrated circuit.
摘要翻译：本发明提供一种麦克风的集成电路。在一个实施例中，集成电路接收从声音转换的第一信号，并接收具有用于回波消除的数字格式的参考信号。在一个实施例中，集成电路包括前置放大器，模数转换器，数字信号处理器和后置放大器。前置放大器根据第一增益放大第一信号以获得第三信号。模拟 - 数字转换器将第三信号从模拟转换成数字，以获得第四信号。数字信号处理器根据参考信号从第四信号中消除回波分量，以获得第五信号，并且确定第一增益和第二增益，其中第一增益和第二增益的乘积保持不变，并且确定第一增益，使得第三信号的幅度保持等于参考信号的幅度。后置放大器根据第二增益放大第五信号，以获得第二信号作为集成电路的输出。

5. 发明授权

US08059837B2 Audio processing method and system 有权
标题翻译：音频处理方法和系统
公开(公告)号：US08059837B2
公开(公告)日：2011-11-15
申请号：US12121078
申请日：2008-05-15
申请人： Li-Te Wu
发明人： Li-Te Wu
IPC分类号： H04R3/00 , H03F99/00 , H04R25/00
CPC分类号： H04R19/016 , H04R3/06
摘要： An audio processing system is provided. The audio processing system comprises a transducer, a gain stage, a capacitor network, and a preamplifier. The transducer transduces a sound signal to a voltage signal. The gain stage comprises an input coupled to the transducer and an output. The capacitor network, coupled between the output of the gain stage and the transducer, provides an equivalent capacitance. The preamplifier coupled to the transducer amplifies the voltage signal.
摘要翻译：提供音频处理系统。音频处理系统包括换能器，增益级，电容器网络和前置放大器。传感器将声音信号转换成电压信号。增益级包括耦合到换能器和输出的输入。耦合在增益级的输出与换能器之间的电容器网络提供等效电容。耦合到换能器的前置放大器放大电压信号。

6. 发明授权

US07952436B2 Phase lock loop circuit 有权
标题翻译：锁相环电路
公开(公告)号：US07952436B2
公开(公告)日：2011-05-31
申请号：US12489637
申请日：2009-06-23
申请人： Li-Te Wu , Cheng-Feng Shih
发明人： Li-Te Wu , Cheng-Feng Shih
IPC分类号： H03L7/00
CPC分类号： H03L7/0898 , H03L7/18 , H03L2207/04
摘要： A phase lock loop (PLL) circuit is provided. A voltage controlled oscillator (VCO) generates an output clock signal based on a control voltage. A controller provides a first digital control word, a second digital control word and a loop factor. A frequency modifier is coupled to the output clock signal, controlled by the controller to divide the output clock signal by the loop factor to generate a feedback frequency. A charge pump is controlled by the up signal and down signal to generate a charge pump current, comprising a first digital to analog converter (DAC) to generate a first current based on the first digital control word when the up signal is asserted. A second DAC generates a second current based on a second digital control word when the down signal is asserted. The controller defines a first relationship between the first digital control word and the loop factor, and the controller defines a second relationship between the second digital control word and the loop factor.
摘要翻译：提供了锁相环（PLL）电路。压控振荡器（VCO）基于控制电压产生输出时钟信号。控制器提供第一数字控制字，第二数字控制字和循环因子。频率调节器耦合到输出时钟信号，由控制器控制，以将输出时钟信号除以环路因子以产生反馈频率。电荷泵由上升信号和下降信号控制以产生电荷泵电流，包括第一数模转换器（DAC），以在上升信号被断言时基于第一数字控制字产生第一电流。当下降信号被断言时，第二DAC基于第二数字控制字产生第二电流。控制器定义第一数字控制字和环路因子之间的第一关系，并且控制器定义第二数字控制字和环路因子之间的第二关系。

7. 发明授权

US07834699B1 Audio compensation method and audio apparatus with class AB power amplifier 有权
标题翻译： AB类功率放大器的音频补偿方法和音频设备
公开(公告)号：US07834699B1
公开(公告)日：2010-11-16
申请号：US12469005
申请日：2009-05-20
申请人： Li-Te Wu , Min-Yung Shih
发明人： Li-Te Wu , Min-Yung Shih
IPC分类号： H03F3/26
CPC分类号： H03F1/3264 , H03F1/3211 , H03F1/342 , H03F3/185 , H03F3/3022 , H03F3/45475 , H03F2200/03
摘要： An audio apparatus is provided, receiving a reference voltage and an input signal to generate an output signal. In the audio apparatus, a compensation circuit, generates a compensated reference voltage based on the input signal, the reference voltage and the output signal. A class AB power amplifier receives the compensated reference voltage to amplify the input signal into the output signal.
摘要翻译：提供一种音频装置，接收参考电压和输入信号以产生输出信号。在音频装置中，补偿电路根据输入信号，基准电压和输出信号产生补偿基准电压。 AB类功率放大器接收补偿参考电压，将输入信号放大为输出信号。

8. 发明授权

US07812418B2 Chip-scaled MEMS microphone package 有权
标题翻译：芯片级MEMS麦克风包
公开(公告)号：US07812418B2
公开(公告)日：2010-10-12
申请号：US12181440
申请日：2008-07-29
申请人： Wei-Chan Hsu , Li-Te Wu
发明人： Wei-Chan Hsu , Li-Te Wu
IPC分类号： H01L27/14 , H01L29/84 , H01L29/82 , H04R25/00
CPC分类号： H04R19/005 , H04R19/04 , H04R2201/003
摘要： An MEMS microphone package includes a circuit board and an MEMS microphone chip. The MEMS microphone chip, mounted on the circuit board, includes a substrate, an MEMS transducer formed on the substrate, and a readout circuit also formed on the substrate. The MEMS transducer generates a sound signal according to sound pressure variations. The readout circuit reads the sound signal from the MEMS transducer.
摘要翻译： MEMS麦克风封装包括电路板和MEMS麦克风芯片。安装在电路板上的MEMS麦克风芯片包括基板，形成在基板上的MEMS换能器以及也形成在基板上的读出电路。 MEMS传感器根据声压变化产生声音信号。读出电路读取来自MEMS换能器的声音信号。

9. 发明申请

US20090310810A1 MEMS MICROPHONE PACKAGE WITH RF INSENSITIVE MEMS MICROPHONE CHIP 有权
标题翻译：具有射频敏感MEMS麦克风芯片的MEMS麦克风封装
公开(公告)号：US20090310810A1
公开(公告)日：2009-12-17
申请号：US12137610
申请日：2008-06-12
申请人： Li-Te Wu , Chia-Jen Hsu
发明人： Li-Te Wu , Chia-Jen Hsu
IPC分类号： H04R19/04
CPC分类号： H04R19/005 , H01L2224/48091 , H01L2224/48137 , H01L2924/16151 , H01L2924/16152 , H04R19/04 , H04R2201/003 , H01L2924/00014
摘要： A micro-electro-mechanical-system microphone package includes a substrate, a micro-electro-mechanical-system microphone chip mounted on the substrate, and a cover attached to the substrate to cover the micro-electro-mechanical-system microphone chip. The cover is provided with a sound inlet through which the micro-electro-mechanical-system microphone receives external sound. The micro-electro-mechanical-system microphone chip includes a conductive base connected to a constant voltage, a shielding layer supported by the conductive base and connected to the constant voltage, a diaphragm disposed between the conductive base and the shielding layer, and a back plate also disposed between the conductive base and the shielding layer.
摘要翻译：微机电系统麦克风封装包括基板，安装在基板上的微机电系统麦克风芯片以及附着在基板上以覆盖微机电系统麦克风芯片的盖。该盖设有一个声音入口，微机电系统麦克风通过该入口接收外部声音。微电子机械系统麦克风芯片包括连接到恒定电压的导电基底，由导电基底支撑并连接到恒定电压的屏蔽层，设置在导电基底和屏蔽层之间的隔膜，以及背面板也设置在导电基底和屏蔽层之间。

10. 发明申请

US20090046866A1 APPARATUS CAPABLE OF PERFORMING ACOUSTIC ECHO CANCELLATION AND A METHOD THEREOF 审中-公开
标题翻译：能够进行声学信号消除的装置及其方法
公开(公告)号：US20090046866A1
公开(公告)日：2009-02-19
申请号：US12140333
申请日：2008-06-17
申请人： Yu-Chun Feng , Li-Te Wu
发明人： Yu-Chun Feng , Li-Te Wu
IPC分类号： H04B3/20
CPC分类号： H04M9/082
摘要： An apparatus capable of performing acoustic echo cancellation and a method thereof are provided. The apparatus comprises a mapping matrix, first and second speakers, first and second microphones, a reference generator, and a multi-channel acoustic echo canceller. The mapping matrix generates an output signal according to the first and second far end signals. The first and second speakers, coupled to the mapping matrix, play the output signal. The first and second microphones receive the first and second echo signals that are acoustically coupled from the first and second speakers to the first and second microphones, wherein the first and second echo signals are correlated to the output signal. The reference generator generates a reference signal linearly correlated to the output signal according to the first and second far end signals. The multi-channel acoustic echo canceller, coupled to the reference generator and the first and second microphones, filters the reference signal to generate the first and second filtered signals to be indicative of the estimated echo signals at the first and second microphones, subtracts the first filtered signal from the first echo signal to generate a first error signal, and subtracts the second filtered signal from the second echo signal to generate a second error signal, and then transmits the first and second error signals to a far end terminal.
摘要翻译：提供一种能够执行声学回声消除的装置及其方法。该装置包括映射矩阵，第一和第二扬声器，第一和第二麦克风，参考发生器和多声道声学回声消除器。映射矩阵根据第一和第二远端信号产生输出信号。耦合到映射矩阵的第一和第二扬声器播放输出信号。第一和第二麦克风接收从第一和第二扬声器声耦合到第一和第二麦克风的第一和第二回波信号，其中第一和第二回波信号与输出信号相关。参考发生器根据第一和第二远端信号产生与输出信号线性相关的参考信号。耦合到参考发生器和第一和第二麦克风的多通道声学回声消除器对参考信号进行滤波以产生第一和第二滤波信号以指示在第一和第二麦克风处的估计的回波信号，减去第一和第二麦克风从第一回波信号滤波的信号产生第一误差信号，并从第二回波信号中减去第二滤波信号以产生第二误差信号，然后将第一和第二误差信号发送到远端终端。

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