公开(公告)号：US06587824B1

公开(公告)日：2003-07-01

申请号：US09565304

申请日：2000-05-04

Applicant: Charles Allen Everhart ,  Scott Alan Thompson

Inventor： Charles Allen Everhart ,  Scott Alan Thompson

IPC: G10L1500

CPC classification number: G10L15/07 ,  G10L15/20 ,  G10L2015/0631

Abstract: Disclosed herein is a method of improving the recognition accuracy of an in-vehicle speech recognition system. The method of the present invention selectively adapts the system's speech engine to a speaker's voice characteristics using an N-best matching technique. In this method, the speech recognition system receives and processes a spoken utterance relating to a car command and having particular speaker-dependent speech characteristics so as to select a set of N-best voice commands matching the spoken utterance. Upon receiving a training mode input from the speaker, the system outputs the N-best command set to the speaker who selects the correct car command. The system then adapts the speech engine to recognize a spoken utterance having the received speech characteristics as the user-selected car command.

Abstract translation: 这里公开了提高车载语音识别系统的识别精度的方法。 本发明的方法使用N最佳匹配技术将系统的语音引擎选择性地适配于扬声器的语音特征。 在该方法中，语音识别系统接收并处理与轿厢命令有关的语音话语，并且具有特定的说话者相关语音特性，以便选择与口语发音相匹配的一组N最佳语音命令。 在从扬声器接收到训练模式输入时，系统向选择正确的轿厢命令的扬声器输出N-best命令集。 然后，该系统使语音引擎识别具有接收到的语音特征的语音话语作为用户选择的轿厢命令。