Patent · US Active

Speech recognition method and device

US10685647B2 · kind B2 · utility

0Cited by

4References

17Claims

0Family size

Assignee

BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD. · CN

Inventors

Bin Yuan · 红钢城街道, CN
Shouye Peng · Beijing, CN
Yangfei Xu · Beijing, CN

Key dates

Filing date	Jun 24, 2016
Grant date	Jun 16, 2020
Priority date	—
Expiry date	Dec 2, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG10L2015/221
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A speech recognition method and a speech recognition device are disclosed. The speech recognition method includes: obtaining features of a speech signal to be recognized; performing a path search in a search space generated by establishing a map according to the features to output a decoding result; judging whether a rejection is needed according to the decoding result; and when the rejection is needed, determining that a speech recognition result is the rejection, and when the rejection is not needed, obtaining the speech recognition result according to the decoding result. The method has a good recognition rejection effect.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.