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公开(公告)号：US10924851B2
公开(公告)日：2021-02-16
申请号：US16438971
申请日：2019-06-12
发明人： Song Liu , Shasha Lou , Bo Li
摘要： An audio interaction device includes a shell, multiple microphones located in multiple accommodation portions of the shell, at least one processor and a memory device configured to store a computer program capable of running on the processor. The processor is configured to run the computer program to execute the following operations. Audio signals obtained by the multiple microphones are identified, and the audio signals are processed. The multiple microphones are boundary microphones and arranged at positions close to a first surface of the shell of the audio interaction device, and the first surface is attached or close to a placement surface on which the audio interaction device is placed.
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公开(公告)号：US10453457B2
公开(公告)日：2019-10-22
申请号：US15848908
申请日：2017-12-20
发明人： Bo Li , Shasha Lou
IPC分类号： G10L15/22 , G06F3/00 , G10L21/02 , G10L15/34 , G10L21/034 , H04R1/32 , H04R1/40 , H04R3/00 , G10L21/028 , G10L21/0216 , G10L15/08 , G10L21/0208
摘要： A method and device for performing voice control on a device with a microphone array are disclosed. The method includes the following steps. It is confirmed that the device is in an audio playing state. An interference sound interfering the device in the audio playing state is analyzed. A voice enhancement mode adopted by the device is selected according to a feature of the interference sound. A user's voice is detected in real time for a wake-up word, and when the wake-up word is detected, the device is controlled to stop audio playing. An interference sound interfering the device after playing audios is stopped is analyzed, and the voice enhancement mode adopted by the device is adjusted according to a feature of the interference sound. A command word from a user is acquired to control the device to execute a corresponding function, to respond to the user.
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公开(公告)号：US10410651B2
公开(公告)日：2019-09-10
申请号：US15849091
申请日：2017-12-20
发明人： Shasha Lou , Bo Li
IPC分类号： G10L21/00 , G10L25/00 , G10L15/00 , G10L21/0208 , G10L21/02 , H04R1/32 , G10L21/0216 , G10L15/22
摘要： A de-reverberation control method and device of sound producing equipment are disclosed. The method includes that: when a piece of equipment performs audio playing, a voice signal from a user is collected in real time; a relative position of the user with respect to the equipment and acoustic parameters of a room environment in which the equipment is located, are acquired; according to one or more of the relative position and the acoustic parameters, a corresponding microphone in the equipment is selected, and a corresponding voice enhancement mode is called to perform de-reverberation; a voice command word from the user is acquired to control the equipment to perform a corresponding function, as a respond to the user. The present solution can improve the recognition accuracy of a voice command, and improve user interaction experience.
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公开(公告)号：US11302298B2
公开(公告)日：2022-04-12
申请号：US17180705
申请日：2021-02-19
IPC分类号： G10K11/178 , G01P15/18
摘要： A signal processing method for an earphone includes: a motion state of a wearer of the earphone is detected by using an acceleration sensor arranged inside the earphone; a first microphone and a second microphone both arranged outside the earphone detect wind noise conditions corresponding to different frequency bands; and according to the motion state of the wearer of the earphone and the wind noise conditions corresponding to different frequency bands, operating modes of a feedforward filter and a feedback filter inside the earphone are adjusted, herein the feedforward filter and the feedback filter are configured for active noise cancellation of the earphone.
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公开(公告)号：US11245976B2
公开(公告)日：2022-02-08
申请号：US17111409
申请日：2020-12-03
发明人： Bo Li , Jiudong Wang
摘要： An earphone signal processing method includes: a signal picked up by a first microphone of an earphone at a position close to a mouth outside an ear canal, a signal picked up by a second microphone of the earphone at a position away from the mouth outside the ear canal and a signal picked up by a third microphone are acquired, the third microphone being in a cavity formed by the earphone and the ear canal; dual-microphone noise reduction is performed on the signals picked up by the first and second microphones to obtain a first intermediate signal; dual-microphone noise reduction is performed on the signals picked up by the second and third microphones to obtain a second intermediate signal; the first and second intermediate signals are fused to obtain a fused voice signal; and the fused voice signal is output.
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公开(公告)号：US20200374617A1
公开(公告)日：2020-11-26
申请号：US16881552
申请日：2020-05-22
摘要： A method and device for detecting a wearing state of an earphone and an earphone are disclosed. The method includes that: a source audio signal input into a loudspeaker of an earphone and a feedback audio signal collected by a prepositive microphone are acquired; a transfer function between the source audio signal and the feedback audio signal is acquired according to the source audio signal and the feedback audio signal; and a wearing state of the earphone is acquired according to the transfer function, and audio compensation processing is performed on the source audio signal according to the wearing state.
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7.发明申请公开(公告)号：US20180182392A1
公开(公告)日：2018-06-28
申请号：US15848908
申请日：2017-12-20
发明人： Bo Li , Shasha Lou
CPC分类号： G10L15/22 , G10L15/34 , G10L21/02 , G10L21/0205 , G10L21/0216 , G10L21/028 , G10L21/034 , G10L2015/088 , G10L2015/223 , G10L2021/02082 , G10L2021/02166 , H04R1/326 , H04R1/406 , H04R3/005
摘要： A method and device for performing voice control on a device with a microphone array are disclosed. The method includes the following steps. It is confirmed that the device is in an audio playing state. An interference sound interfering the device in the audio playing state is analyzed. A voice enhancement mode adopted by the device is selected according to a feature of the interference sound. A user's voice is detected in real time for a wake-up word, and when the wake-up word is detected, the device is controlled to stop audio playing. An interference sound interfering the device after playing audios is stopped is analyzed, and the voice enhancement mode adopted by the device is adjusted according to a feature of the interference sound. A command word from a user is acquired to control the device to execute a corresponding function, to respond to the user.
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公开(公告)号：US11336987B2
公开(公告)日：2022-05-17
申请号：US16881552
申请日：2020-05-22
摘要： A method and device for detecting a wearing state of an earphone and an earphone are disclosed. The method includes that: a source audio signal input into a loudspeaker of an earphone and a feedback audio signal collected by a prepositive microphone are acquired; a transfer function between the source audio signal and the feedback audio signal is acquired according to the source audio signal and the feedback audio signal; and a wearing state of the earphone is acquired according to the transfer function, and audio compensation processing is performed on the source audio signal according to the wearing state.
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公开(公告)号：US10347272B2
公开(公告)日：2019-07-09
申请号：US15849010
申请日：2017-12-20
发明人： Bo Li , Shasha Lou
IPC分类号： G10L21/0216 , G01H7/00 , H04M9/08 , H04R3/02 , G10L21/0208 , H04R27/00 , H04S7/00
摘要： Provided are a de-reverberation control method and apparatus for a device equipped with a microphone. The method includes: reverberation parameters which indicate, at respective moments, reverberation levels of a room environment where the device is located are acquired from an audio signal played by the device; and a de-reverberation mode adopted by the device is dynamically adjusted according to the reverberation levels indicated by the reverberation parameters at different moments and preset correspondences between reverberation levels and de-reverberation modes. By adopting a dynamic de-reverberation mode, the method and the apparatus disclosed herein significantly improve the rate of the recognition of a device for the voice of the user.
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公开(公告)号：US20180190310A1
公开(公告)日：2018-07-05
申请号：US15849010
申请日：2017-12-20
发明人： Bo Li , Shasha Lou
IPC分类号： G10L21/0216 , H04R3/02
CPC分类号： G10L21/0216 , G01H7/00 , G10L21/0208 , G10L2021/02082 , G10L2021/02166 , H04M9/08 , H04R3/02 , H04R27/00 , H04R2227/007 , H04S7/305
摘要： Provided are a de-reverberation control method and apparatus for a device equipped with a microphone. The method includes: reverberation parameters which indicate, at respective moments, reverberation levels of a room environment where the device is located are acquired from an audio signal played by the device; and a de-reverberation mode adopted by the device is dynamically adjusted according to the reverberation levels indicated by the reverberation parameters at different moments and preset correspondences between reverberation levels and de-reverberation modes. By adopting a dynamic de-reverberation mode, the method and the apparatus disclosed herein significantly improve the rate of the recognition of a device for the voice of the user.
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