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:
Jun. 09, 2020
Filed:
Feb. 15, 2018
Alibaba Group Holding Limited, Grand Cayman, KY;
Zhijun Du, Hangzhou, CN;
Alibaba Group Holding Limited, Grand Cayman, KY;
Abstract
An audio recognition method may comprising performing diffusion processing on a plurality of first feature points in a spectrogram of a to-be-recognized audio file to obtain a feature point map; searching in a spectrogram of a target audio file to determine whether the spectrogram of the target audio file comprises second feature points that respectively correspond to the diffused first feature points in the feature point map; and in response to determining that the spectrogram of the target audio file comprises the second feature points, determining that the to-be-recognized audio file is a part of the target audio file.