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公开(公告)号：US09294834B2
公开(公告)日：2016-03-22
申请号：US13873715
申请日：2013-04-30
Applicant: Huawei Device Co., LTD
Inventor： Hongtao Liu , Xiaopeng Zhang
CPC classification number: H04R3/00 , G10K11/178 , G10K2210/1081 , H04M1/19 , H04M1/6058 , H04R1/1083 , H04R3/005 , H04R2201/107 , H04R2410/05
Abstract: The present invention discloses a method and an apparatus for reducing noise in voices of a mobile terminal and relates to the field of communications technologies, which can improve the effect of noise reduction. The method includes: selecting, from a voice headphone and a microphone built in the mobile terminal, a current communicating microphone and a current noise reducing microphone; obtaining an audio signal received by the current communicating microphone and an audio signal received by the current noise reducing microphone; performing noise reduction according to the audio signal received by the current communicating microphone and the audio signal received by the current noise reducing microphone, so as to obtain a noise reduced signal; and performing voice coding according to the noise reduced signal to generate an audio output signal.
Abstract translation: 本发明公开了一种降低移动终端语音噪声的方法和装置，涉及可以提高降噪效果的通信技术领域。 该方法包括：从内置在移动终端中的语音耳机和麦克风中选择当前通信麦克风和当前降噪麦克风; 获取由当前通信麦克风接收的音频信号和由当前降噪麦克风接收的音频信号; 根据由当前通信麦克风接收的音频信号和当前降噪麦克风接收的音频信号进行降噪，以获得降噪信号; 以及根据降噪信号执行语音编码以产生音频输出信号。
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公开(公告)号：US20130343560A1
公开(公告)日：2013-12-26
申请号：US13873715
申请日：2013-04-30
Applicant: Huawei Device Co., LTD
Inventor： Hongtao Liu , Xiaopeng Zhang
IPC: H04R3/00
CPC classification number: H04R3/00 , G10K11/178 , G10K2210/1081 , H04M1/19 , H04M1/6058 , H04R1/1083 , H04R3/005 , H04R2201/107 , H04R2410/05
Abstract: The present invention discloses a method and an apparatus for reducing noise in voices of a mobile terminal and relates to the field of communications technologies, which can improve the effect of noise reduction. The method includes: selecting, from a voice headphone and a microphone built in the mobile terminal, a current communicating microphone and a current noise reducing microphone; obtaining an audio signal received by the current communicating microphone and an audio signal received by the current noise reducing microphone; performing noise reduction according to the audio signal received by the current communicating microphone and the audio signal received by the current noise reducing microphone, so as to obtain a noise reduced signal; and performing voice coding according to the noise reduced signal to generate an audio output signal.
Abstract translation: 本发明公开了一种降低移动终端语音噪声的方法和装置，涉及可以提高降噪效果的通信技术领域。 该方法包括：从内置在移动终端中的语音耳机和麦克风中选择当前通信麦克风和当前降噪麦克风; 获取由当前通信麦克风接收的音频信号和由当前降噪麦克风接收的音频信号; 根据由当前通信麦克风接收的音频信号和当前降噪麦克风接收的音频信号进行降噪，以获得降噪信号; 以及根据降噪信号执行语音编码以产生音频输出信号。
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