The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 2021
Filed:
Dec. 27, 2018
Baidu Online Network Technology (Beijing) Co., Ltd., Beijing, CN;
Chao Li, Beijing, CN;
Weixin Zhu, Beijing, CN;
BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD., Beijing, CN;
Abstract
A voice activity detection method and an apparatus are provided by embodiments of the present application. The method includes: performing framing processing on a voice to be detected to obtain a plurality of audio frames to be detected; obtaining an acoustic feature of each of the audio frames to be detected, and sequentially inputting the acoustic feature of the each of the audio frames to be detected to a VAD model, wherein the VAD model is configured to classify a first N voice frame in the voice to be detected as a noise frame, classify frames from an (N+1)-th voice frame to a last voice frame as voice frames, and classify a M noise frame after the last voice frame as a voice frame, where N and M are integers; and determining, according to a classification result output by the VAD model.