汉语大词汇量连续语音识别系统研究进展

Research on Large Vocabulary Continuous Speech Recognition System for Mandarin Chinese

大词汇量连续语音识别(LVCSR)技术近年来发展迅速,并在许多领域得到了广泛的应用,国内外许多大公司加大了对语音识别技术的研究,不少商业化的语音识别系统已经面世,并得到较为广泛的使用。该文综述了近年来大词汇量连续语音识别技术的研究进展,描述了汉语大词汇量连续语音识别系统,主要是基于统计方法的语音识别系统的框架与设计方法,对语音识别系统的一些关键技术和原理进行了分析,并对近年来国内外对语音识别研究发展动向进行了讨论。

The technology of large vocabulary continuous speech recognition（LVCSR）has developed quickly and achieved broad application in recent years. Many big companies has reinforced the speech recognition research and various commercial systems have appeared in the market, This paper reviews the recent research progresses of LVCSR and describes the main frames and designs of current mandarin Chinese LVCSR systems. The key issues and principles in LCVSR are analyzed in detail. The prospects and research trends for LVCSR at home and abroad are also discussed.