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公开(公告)号：US10015591B2
公开(公告)日：2018-07-03
申请号：US15383167
申请日：2016-12-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yulong Li , Jingfan Qin , Hui Wang , Xiaohong Dong , Yunneng Mo
CPC classification number: H04R3/005 , H03G11/008 , H04R3/00 , H04R2430/01
Abstract: A pickup apparatus includes a digital signal processor, at least one microphone, multiple amplifiers, and multiple analog-to-digital converters (ADCs), where each microphone is configured to receive an audio signal, and send the audio signal to an amplifier corresponding to the microphone, each amplifier is configured to amplify the received audio signal, and send the amplified audio signal to an analog-to-digital converter corresponding to the amplifier, each analog-to-digital converter is configured to convert the received audio signal into a digital signal, and send the digital signal to the digital signal processor, and the digital signal processor is configured to receive multiple digital signals sent by the multiple analog-to-digital converters, determine an unclipped digital signal from the multiple received digital signals, and determine an output signal according to a gain value corresponding to the unclipped digital signal. The pickup apparatus disclosed in the present disclosure may have excellent pickup performance in various pickup scenarios.
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公开(公告)号：US20170105067A1
公开(公告)日：2017-04-13
申请号：US15383167
申请日：2016-12-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yulong Li , Jingfan Qin , Hui Wang , Xiaohong Dong , Yunneng Mo
CPC classification number: H04R3/005 , H03G11/008 , H04R3/00 , H04R2430/01
Abstract: A pickup apparatus includes a digital signal processor, at least one microphone, multiple amplifiers, and multiple analog-to-digital converters (ADCs), where each microphone is configured to receive an audio signal, and send the audio signal to an amplifier corresponding to the microphone, each amplifier is configured to amplify the received audio signal, and send the amplified audio signal to an analog-to-digital converter corresponding to the amplifier, each analog-to-digital converter is configured to convert the received audio signal into a digital signal, and send the digital signal to the digital signal processor, and the digital signal processor is configured to receive multiple digital signals sent by the multiple analog-to-digital converters, determine an unclipped digital signal from the multiple received digital signals, and determine an output signal according to a gain value corresponding to the unclipped digital signal. The pickup apparatus disclosed in the present disclosure may have excellent pickup performance in various pickup scenarios.
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