Patent Number: 7,043,429

Title: Speech recognition with plural confidence measures

Abstract: A speech recognition system is used to receive a speech signal and output an output language word with respect to the speech signal. The speech recognition system has preset quantities for a first threshold, a second threshold, and a third threshold. The speech recognition system includes a first speech recognition device that is used to receive the speech signal and generate a first candidate language word and a first confidence measurement of the first candidate language word, according to the speech signal. A second speech recognition device is used to receive the speech signal and generate a second candidate language word and a second confidence measurement of the second candidate language word, according to the speech signal. A confidence measurement judging unit is used to output the language word, by comparing the first confidence measurement and the second confidence measurement to the above thresholds.

Inventors: Chang; Sen-Chia (Changhua, TW), Chien; Shih-Chien (Taichung, TW), Tu; Jia-Jang (Taichung, TW)

Assignee: Industrial Technology Research Institute

International Classification: G10L 15/08 (20060101)

Expiration Date: 5/09/02018