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:
Dec. 30, 2025
Filed:
May. 19, 2023
Google Llc, Mountain View, CA (US);
Zhiyun Lu, Brooklyn, NY (US);
Yu Zhang, Mountain View, CA (US);
Wei Han, Redwood City, CA (US);
Yongqiang Wang, Kirkland, WA (US);
Parisa Haghani, Mountain View, CA (US);
Zhehuai Chen, Edgewater, NJ (US);
Google LLC, Mountain View, CA (US);
Abstract
A method includes obtaining a corpus of unlabeled training data including a plurality of spoken utterances, each corresponding spoken utterance of the plurality of spoken utterances includes audio data characterizing the corresponding spoken utterance. The method also includes receiving a target domain. The method also includes selecting, using a contrastive data selection model, a subset of the utterances from the corpus of unlabeled training data that correspond to the target domain. The method includes training an automatic speech recognition (ASR) model on the subset of utterances.