Title：Microphone array pickup method and system for long-distance voice recognition
Country：China
Patent No.：202111057434.1
Legal Status：Published
Inventor：Chao Ma, Dongmei Li
Assignee：Tsinghua University
Address：Tsinghua University,Haidian District Beijing 100085, China
Filing Date：2021-09-09
Issue Date：
Abstract：
The invention discloses a microphone array pickup method and system for long-distance voice recognition, which are applied to the technical field of array signal processing. Firstly, the distortion of a target voice is reduced through the direction of any specified voice. And secondly, by randomly specifying the direction of the interference signal, the human voice interference is weighted, the human voice interference is suppressed more greatly, and the stable noise is suppressed less so that the pickup can be accurately performed, and a better solution is provided for long-distance voice control.
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