Invention Grant
- Patent Title: Far-field pickup device and method for collecting voice signal in far-field pickup device
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Application No.: US17032278Application Date: 2020-09-25
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Publication No.: US11871176B2Publication Date: 2024-01-09
- Inventor: Ji Meng Zheng , Meng Yu , Dan Su
- Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTD
- Applicant Address: CN Guangdong
- Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTD
- Current Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTD
- Current Assignee Address: CN Shenzhen
- Agency: Sughrue Mion, PLLC
- Priority: CN 1811150947.5 2018.09.29
- Main IPC: H04R1/20
- IPC: H04R1/20 ; G10L15/20 ; H04R3/12

Abstract:
A far-field pickup device including a device body and a microphone pickup unit is provided. The microphone pickup unit is configured to collect user speech and an echo of a first sound signal output by the device body, and transmit, to the device body, a signal obtained through digital conversion of the collected user speech and the echo. The device body includes a signal playback source, a synchronizing signal generator, a horn, a delay determining unit, and an echo cancellation unit configured to perform echo cancellation on the signal transmitted by the microphone pickup unit to obtain a collected human voice signal.
Public/Granted literature
- US20210021925A1 FAR-FIELD PICKUP DEVICE AND METHOD FOR COLLECTING VOICE SIGNAL IN FAR-FIELD PICKUP DEVICE Public/Granted day:2021-01-21
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