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1. 发明授权

US08374362B2 Signaling microphone covering to the user 有权
标题翻译：信令麦克风覆盖用户
公开(公告)号：US08374362B2
公开(公告)日：2013-02-12
申请号：US12023970
申请日：2008-01-31
申请人： Dinesh Ramakrishnan , Ravi Satyanarayanan , Song Wang , Eddie L. T. Choy
发明人： Dinesh Ramakrishnan , Ravi Satyanarayanan , Song Wang , Eddie L. T. Choy
IPC分类号： H04R3/00
CPC分类号： H04R3/005 , H04R29/004 , H04R29/006 , H04R2499/11
摘要： A mechanism is provided that monitors secondary microphone signals, in a multi-microphone mobile device, to warn the user if one or more secondary microphones are covered while the mobile device is in use. In one example, smoothly averaged power estimates of the secondary microphones may be computed and compared against the noise floor estimate of a primary microphone. Microphone covering detection may be made by comparing the secondary microphone smooth power estimates to the noise floor estimate for the primary microphone. In another example, the noise floor estimates for the primary and secondary microphone signals may be compared to the difference in the sensitivity of the first and second microphones to determine if the secondary microphone is covered. Once detection is made, a warning signal may be generated and issued to the user.
摘要翻译：提供了一种在多麦克风移动设备中监视次级麦克风信号的机制，以在移动设备正在使用时覆盖一个或多个辅助麦克风来警告用户。在一个示例中，可以计算二次麦克风的平滑平均功率估计，并将其与主麦克风的噪声基底估计进行比较。麦克风覆盖检测可以通过将次级麦克风平滑功率估计与主麦克风的噪声基底估计值进行比较来进行。在另一示例中，可以将主麦克风信号和次麦克风信号的噪声基底估计值与第一和第二麦克风的灵敏度差进行比较，以确定次麦克风是否被覆盖。一旦检测到，可能会产生一个警告信号并发给用户。

2. 发明申请

US20090196429A1 SIGNALING MICROPHONE COVERING TO THE USER 有权
标题翻译：信号麦克风覆盖用户
公开(公告)号：US20090196429A1
公开(公告)日：2009-08-06
申请号：US12023970
申请日：2008-01-31
申请人： Dinesh Ramakrishnan , Ravi Satyanarayanan , Song Wang , Eddie L.T. Choy
发明人： Dinesh Ramakrishnan , Ravi Satyanarayanan , Song Wang , Eddie L.T. Choy
IPC分类号： H04R5/00
CPC分类号： H04R3/005 , H04R29/004 , H04R29/006 , H04R2499/11
摘要： A mechanism is provided that monitors secondary microphone signals, in a multi-microphone mobile device, to warn the user if one or more secondary microphones are covered while the mobile device is in use. In one example, smoothly averaged power estimates of the secondary microphones may be computed and compared against the noise floor estimate of a primary microphone. Microphone covering detection may be made by comparing the secondary microphone smooth power estimates to the noise floor estimate for the primary microphone. In another example, the noise floor estimates for the primary and secondary microphone signals may be compared to the difference in the sensitivity of the first and second microphones to determine if the secondary microphone is covered. Once detection is made, a warning signal may be generated and issued to the user.
摘要翻译：提供了一种在多麦克风移动设备中监视次级麦克风信号的机制，以在移动设备正在使用时覆盖一个或多个辅助麦克风来警告用户。在一个示例中，可以计算二次麦克风的平滑平均功率估计，并将其与主麦克风的噪声基底估计进行比较。麦克风覆盖检测可以通过将次级麦克风平滑功率估计与主麦克风的噪声基底估计值进行比较来进行。在另一示例中，可以将主麦克风信号和次麦克风信号的噪声基底估计值与第一和第二麦克风的灵敏度差进行比较，以确定次麦克风是否被覆盖。一旦检测到，可能会产生一个警告信号并发给用户。

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