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1. 发明申请

US20110317848A1 Microphone Interference Detection Method and Apparatus 审中-公开
标题翻译：麦克风干扰检测方法及装置
公开(公告)号：US20110317848A1
公开(公告)日：2011-12-29
申请号：US12822176
申请日：2010-06-23
申请人： Plamen A. Ivanov , Scott A. Mehrens , Kevin J. Bastyr , Joel A. Clark
发明人： Plamen A. Ivanov , Scott A. Mehrens , Kevin J. Bastyr , Joel A. Clark
IPC分类号： H04B15/00
CPC分类号： H04R3/04 , H04R1/08 , H04R3/005 , H04R2410/07
摘要： A method and apparatus for detecting microphone interference includes first and second built-in microphones producing first and second microphone signals. A first filter bank creates first high-frequency-band and first low-frequency-band signals from the first microphone signal. A second filter bank creates second high-frequency-band and second low-frequency-band signals from the second microphone signal. A first measurement calculator determines a high-frequency-band energy value from the first high-frequency-band signal and the second high-frequency-band signal when the first and second high-frequency-band signals' magnitudes exceeds predetermined thresholds. A second measurement calculator calculates a low-frequency-band energy value from the first low-frequency-band signal and the second low-frequency-band signal when the first and second low-frequency-band signals' magnitudes exceed predetermined thresholds. A logic control block, coupled to the first measurement calculator and the second measurement calculator, detects microphone interference and produces an output signal indicating microphone occlusion or wind noise.
摘要翻译：用于检测麦克风干扰的方法和装置包括产生第一和第二麦克风信号的第一和第二内置麦克风。第一滤波器组从第一麦克风信号创建第一高频带和第一低频带信号。第二滤波器组从第二麦克风信号产生第二高频带和第二低频带信号。当第一和第二高频带信号的幅度超过预定阈值时，第一测量计算器确定来自第一高频带信号和第二高频带信号的高频带能量值。当第一和第二低频带信号的幅度超过预定阈值时，第二测量计算器从第一低频带信号和第二低频带信号计算低频带能量值。耦合到第一测量计算器和第二测量计算器的逻辑控制块检测麦克风干扰并产生指示麦克风闭塞或风噪声的输出信号。

2. 发明授权

US09966085B2 Method and noise suppression circuit incorporating a plurality of noise suppression techniques 有权
公开(公告)号：US09966085B2
公开(公告)日：2018-05-08
申请号：US11842305
申请日：2007-08-21
申请人： Jianming J. Song , Joel A. Clark
发明人： Jianming J. Song , Joel A. Clark
IPC分类号： H04B15/00 , G10L15/20 , H04M1/00 , G10L21/0208 , G10L25/78 , G10L21/02 , G10L19/02 , G10L21/00 , G10L15/14 , G10L21/0232 , G10L19/00
CPC分类号： G10L21/0208 , G10L15/142 , G10L15/20 , G10L19/00 , G10L19/0204 , G10L21/00 , G10L21/02 , G10L21/0232 , G10L25/78
摘要： A noise suppression circuit for use in an audio signal processing circuit is provided. The noise suppression circuit includes a plurality of different types of noise activity detectors, which are each adapted for detecting the presence of a different type of noise in a received signal. The noise suppression circuit further includes a plurality of different types of noise reduction circuits, which are each adapted for removing a different type of detected noise, where each noise reduction circuit respectively corresponds to one of the plurality of noise activity detectors. The respective noise reduction circuit is then selectively activated to condition the received signal to reduce the amount of the detected types of noise, when each one of the plurality of noise activity detectors detects the presence of a corresponding type of noise in the received signal.

3. 发明授权

US08046219B2 Robust two microphone noise suppression system 有权
标题翻译：坚固的两个麦克风噪声抑制系统
公开(公告)号：US08046219B2
公开(公告)日：2011-10-25
申请号：US11874263
申请日：2007-10-18
申请人： Robert A. Zurek , Jeffrey M. Axelrod , Joel A. Clark , Holly L. Francois , Scott K. Isabelle , David J. Pearce , James A. Rex
发明人： Robert A. Zurek , Jeffrey M. Axelrod , Joel A. Clark , Holly L. Francois , Scott K. Isabelle , David J. Pearce , James A. Rex
IPC分类号： G10L15/20
CPC分类号： G10L21/0208 , G10L21/0272 , G10L2021/02165
摘要： A system, method, and apparatus for separating speech signal from a noisy acoustic environment. The separation process may include directional filtering, blind source separation, and dual input spectral subtraction noise suppressor. The input channels may include two omnidirectional microphones whose output is processed using phase delay filtering to form speech and noise beamforms. Further, the beamforms may be frequency corrected. The omnidirectional microphones generate one channel that is substantially only noise, and another channel that is a combination of noise and speech. A blind source separation algorithm augments the directional separation through statistical techniques. The noise signal and speech signal are then used to set process characteristics at a dual input noise spectral subtraction suppressor (DINS) to efficiently reduce or eliminate the noise component. In this way, the noise is effectively removed from the combination signal to generate a good qualify speech signal.
摘要翻译：一种用于从噪声声环境分离语音信号的系统，方法和装置。分离过程可以包括方向滤波，盲源分离和双输入频谱减法噪声抑制器。输入通道可以包括两个全向麦克风，其输出使用相位延迟滤波处理以形成语音和噪声波束形式。此外，波束形状可以被频率校正。全向麦克风产生基本上只有噪声的一个通道，以及作为噪声和语音的组合的另一个通道。盲源分离算法通过统计技术增强了方向分离。然后，噪声信号和语音信号用于设置双输入噪声频谱减法抑制器（DINS）的过程特性，以有效降低或消除噪声分量。以这种方式，有效地从组合信号中去除噪声以产生良好的合格语音信号。

4. 发明申请

US20190122656A1 METHOD AND APPARATUS FOR EVALUATING TRIGGER PHRASE ENROLLMENT 审中-公开
公开(公告)号：US20190122656A1
公开(公告)日：2019-04-25
申请号：US16216908
申请日：2018-12-11
申请人： Joel A. Clark , Tenkasi V. Ramabadran , Mark A. Jasiuk
发明人： Joel A. Clark , Tenkasi V. Ramabadran , Mark A. Jasiuk
IPC分类号： G10L15/18 , G10L25/84 , G10L21/0264 , G10L15/06
CPC分类号： G10L15/1807 , G10L15/063 , G10L15/20 , G10L21/0264 , G10L25/84 , G10L2015/088
摘要： An electronic device includes a microphone that receives an audio signal that includes a spoken trigger phrase, and a processor that is electrically coupled to the microphone. The processor measures characteristics of the audio signal, and determines, based on the measured characteristics, whether the spoken trigger phrase is acceptable for trigger phrase model training. If the spoken trigger phrase is determined not to be acceptable for trigger phrase model training, the processor rejects the trigger phrase for trigger phrase model training.

5. 发明申请

US20110212754A1 Flip-Type Communication Device with a Single Output Audio Transducer 审中-公开
标题翻译：具有单输出音频传感器的翻转式通信设备
公开(公告)号：US20110212754A1
公开(公告)日：2011-09-01
申请号：US13103416
申请日：2011-05-09
申请人： Robert A. Zurek , Gregory R. Black , Joel A. Clark
发明人： Robert A. Zurek , Gregory R. Black , Joel A. Clark
IPC分类号： H04W88/02
CPC分类号： H04M1/605 , H04M1/03
摘要： A flip-type communication device 200 includes a base housing 220 and an auxiliary housing 225. The base housing has an audio output 320 and the auxiliary housing has an earpiece 240 for another audio output. An unattenuated acoustic path has an input end coupled to an audio transducer 115 and an output end coupled to the audio output 320 while an attenuated acoustic path has an input end coupled to the output end of the unattenuated path and an output end coupled to the earpiece region 240 during a privacy mode and having the input end uncoupled from the output end of the unattenuated path during a speakerphone mode.
摘要翻译：翻盖式通信装置200包括基座壳体220和辅助壳体225.基座壳体具有音频输出320，并且辅助壳体具有用于另一音频输出的耳机240。未衰减的声学路径具有耦合到音频换能器115的输入端和耦合到音频输出320的输出端，而衰减的声学路径具有耦合到未衰减路径的输出端的输入端和耦合到耳机的输出端区域240，并且在扬声器模式期间使输入端与未衰减路径的输出端分离。

6. 发明授权

US07961900B2 Communication device with single output audio transducer 有权
标题翻译：具有单输出音频传感器的通信设备
公开(公告)号：US07961900B2
公开(公告)日：2011-06-14
申请号：US11170358
申请日：2005-06-29
申请人： Robert A. Zurek , Greg R. Black , Joel A. Clark
发明人： Robert A. Zurek , Greg R. Black , Joel A. Clark
IPC分类号： H04R1/20 , H04R9/06 , H04M1/00
CPC分类号： H04M1/605 , H04M1/03
摘要： A communication device 100 includes a first audio output 105; a second audio output 110; an audio transducer 115 for dual mode use; a shuttered acoustic path 120 coupled between the audio transducer 115 and the first audio output 105; and an attenuated acoustic path 125 coupled between the audio transducer 115 and the second audio output 110.
摘要翻译：通信设备100包括第一音频输出105; 第二音频输出110; 用于双模式使用的音频传感器115; 耦合在音频换能器115和第一音频输出105之间的快门声路径120; 以及耦合在音频换能器115和第二音频输出110之间的衰减的声学路径125。

7. 发明授权

US06321070B1 Portable electronic device with a speaker assembly 失效
标题翻译：带扬声器组件的便携式电子设备
公开(公告)号：US06321070B1
公开(公告)日：2001-11-20
申请号：US09079067
申请日：1998-05-14
申请人： Joel A. Clark , Scott R. Wilcox
发明人： Joel A. Clark , Scott R. Wilcox
IPC分类号： H04B138
CPC分类号： H04R9/02 , H04M1/0214 , H04M1/03 , H04R1/2811 , H04R2499/11
摘要： A portable electronic device, such as a portable radiotelephone (100), with a speaker assembly is described. The portable radiotelephone (100) has a housing, which includes an upper housing (102) and a lower housing (108), configured to carry at least one of a receiver and a transmitter. A speaker (342) has a front side acoustically coupled to a first air space in front of an ear placement region (120) of the upper housing (102). The speaker (342) has a rear side acoustically coupled to a second air space. At least a first passage acoustically couples the first air space to a third air space that is substantially separated from the second air space.
摘要翻译：描述了具有扬声器组件的便携式电子设备，例如便携式无线电话（100）。便携式无线电话机（100）具有壳体，其包括上壳体（102）和下壳体（108），其构造成承载接收器和发射器中的至少一个。扬声器（342）具有与上壳体（102）的耳朵放置区域（120）前方的第一空气空间耦合的前侧。扬声器（342）具有声学耦合到第二空气空间的后侧。至少第一通道将第一空气空间声耦合到与第二空气空间基本分离的第三空气空间。

8. 发明申请

US20090059821A1 ACOUSTIC ECHO CANCELLATION BASED ON NOISE ENVIRONMENT 有权
标题翻译：基于噪声环境的声音信号取消
公开(公告)号：US20090059821A1
公开(公告)日：2009-03-05
申请号：US11848376
申请日：2007-08-31
申请人： Jincheng Wu , Joel A. Clark
发明人： Jincheng Wu , Joel A. Clark
IPC分类号： H04B3/20
CPC分类号： H04M9/082
摘要： A method (200) of cancelling echo in a duplex communication device (100). The method can include detecting a level of noise present on an uplink signal path (104), generating a noise classifier (194) based on the detected level of noise, detecting whether uplink audio is present on the uplink signal path (104) and detecting whether downlink audio is present on a downlink signal path (102). The method further can include generating a double talk flag (136) based at least on the noise classifier, whether uplink audio is present on the uplink signal path, and whether downlink audio is present on the downlink signal path. In addition, the double talk flag, the noise classifier and an uplink signal can be processed to generate an output signal (120) having reduced echo.
摘要翻译：一种在双工通信设备（100）中消除回声的方法（200）。该方法可以包括检测存在于上行链路信号路径（104）上的噪声电平，基于检测到的噪声电平产生噪声分类器（194），检测上行链路信号路径（104）上是否存在上行链路音频并检测下行链路信号路径（102）是否存在下行链路音频。该方法还可以包括至少基于噪声分类器生成双向通话标志（136），上行链路信号路径上是否存在上行链路音频，以及下行链路信号路径中是否存在下行链路音频。此外，可以处理双向通话标记，噪声分类器和上行链路信号以产生具有减小的回波的输出信号（120）。

9. 发明授权

US6058315A Speaker assembly for a radiotelephone 失效
标题翻译：无线电话扬声器组件
公开(公告)号：US6058315A
公开(公告)日：2000-05-02
申请号：US614748
申请日：1996-03-13
申请人： Joel A. Clark
发明人： Joel A. Clark
IPC分类号： H04M1/02 , H04M1/03 , H04R1/22 , H04Q7/32
CPC分类号： H04M1/03 , H04M1/0214 , H04R1/225
摘要： A speaker (302) is arranged in an enclosure formed by a front housing portion (200) and a rear housing portion (202), so that an air-gap is between a diaphragm (314) of the speaker and ports (114) formed in the front housing that face the diaphragm. The air-gap provides an acoustic leak into the enclosure, which makes the frequency response of the speaker relatively independent of the seal formed by a human ear and the front housing portion. Sound-absorbing material (304,300) disposed on either side of the speaker, ports that extend beyond the circumference of the speaker, and a filter (600) can be added to further enhance the audio quality of the speaker.
摘要翻译：扬声器（302）布置在由前壳体部分（200）和后壳体部分（202）形成的外壳中，使得空气隙位于扬声器的隔膜（314）和形成的端口（114）之间在前面的外壳面对隔膜。气隙在外壳中提供声音泄漏，这使得扬声器的频率响应相对独立于由人耳和前壳体部分形成的密封。设置在扬声器的任一侧的吸音材料（304,300），延伸超出扬声器圆周的端口，以及滤光器（600），以进一步增强扬声器的音频质量。

10. 发明授权

US07881459B2 Acoustic echo canceller using multi-band nonlinear processing 有权
标题翻译：声波回波消除器采用多波段非线性处理
公开(公告)号：US07881459B2
公开(公告)日：2011-02-01
申请号：US11839518
申请日：2007-08-15
申请人： Jincheng Wu , Joel A. Clark
发明人： Jincheng Wu , Joel A. Clark
IPC分类号： H04M9/08
CPC分类号： H04M9/082
摘要： An echo canceller (106) can include a first multi-band filter (152) which receives a first input signal (108) and generates a first plurality of sub-band signals (110, 111, 112), and a second multi-band filter (154) which receives a second input signal (122) and generates a second plurality of sub-band signals (156, 157, 158). The echo canceller also can include a plurality of double talk detectors (168, 169, 170) that each generate a double talk flag (182, 183, 184) based on at least a respective one of the first sub-band signals and a respective one of the second sub-band signals.
摘要翻译：回波消除器（106）可以包括接收第一输入信号（108）并产生第一多个子带信号（110,111,112）的第一多频带滤波器（152）和第二多频带滤波器滤波器（154），其接收第二输入信号（122）并产生第二多个子带信号（156,157,158）。回声消除器还可以包括多个双向通话检测器（168,169,170），每个双向通话检测器基于至少第一子带信号中的相应一个和相应的第一子带信号产生双方通话标志（182,183,184）第二个子带信号之一。

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