首页> 外国专利> FEATURE-BASED SPEECH RECOGNIZER HAVING PROBABILISTIC LINGUISTIC PROCESSOR PROVIDING WORD MATCHING BASED ON THE ENTIRE SPACE OF FEATURE VECTORS

FEATURE-BASED SPEECH RECOGNIZER HAVING PROBABILISTIC LINGUISTIC PROCESSOR PROVIDING WORD MATCHING BASED ON THE ENTIRE SPACE OF FEATURE VECTORS

机译:具有概率语言处理程序的基于特征的语音识别器,基于特征向量的整个空间提供单词匹配

摘要

A feature-based speech recognizer having a probabilistic linguistic processor provides word matching based on the entire space of feature vectors. In this manner, the errors and inaccuracies associated with the heretofore known feature-based speech recognizers, which provided word matching on less than the entire space of feature vectors, are overcome, thereby resulting in improved-accuracy speech recognition. The word matching may be on feature vectors computed either from segments or from landmarks or from both segments and landmarks. For word matching on segment-based feature vectors, acoustic likelihoods may be normalized by extra-acoustic likelihoods defined by at least one extra-acoustic ('not' or 'anti') model. Context-dependent and context-independent acoustic models may be employed.
机译:具有概率语言处理器的基于特征的语音识别器基于特征向量的整个空间提供单词匹配。以这种方式,克服了与迄今已知的基于特征的语音识别器相关联的错误和不准确性,该错误和不精确性在少于特征向量的整个空间上提供了单词匹配,从而导致了精度更高的语音识别。单词匹配可以在从片段或从地标或从片段和地标两者计算出的特征向量上。对于基于片段的特征向量上的单词匹配,可以通过由至少一个额外声学(“ not”或“ anti”)模型定义的额外声学可能性来规范声学可能性。可以采用上下文相关和上下文无关的声学模型。

著录项

  • 公开/公告号WO9746998A1

    专利类型

  • 公开/公告日1997-12-11

    原文格式PDF

  • 申请/专利权人 MASSACHUSETTS INSTITUTE OF TECHNOLOGY;

    申请/专利号WO1997US09267

  • 发明设计人 GLASS JAMES ROBERT;

    申请日1997-06-02

  • 分类号G10L3/00;

  • 国家 WO

  • 入库时间 2022-08-22 02:52:18

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