摘要
当今语音识别技术的一个重要应用就是嵌入式平台上的命令词识别系统,本文提出了一种新的组合解码和置信度的一遍解码方法,同时在算法高精度、运算低复杂度两方面做出了很大的努力,最终在PDA(Compaq iPAQ 3630)平台上实现了一个基于HMM的定点命令词语音识别系统。系统具有较强的鲁棒性和集外词拒识能力,而且系统也具有完整性、高精度、低运算复杂度,整体设计框架灵活,可以非常容易的移植到各种嵌入式平台。
Currently one of the most important applications of speech recognition is command control in embedded platform. In this paper, we present a new one-pass algorithm which integrates decoding and OOV-rejection. With efforts paid on accuracy and complexity we finally implemented a HMM-based command control system on a PDA (Compaq iPAQ 3630). The system is robust and can reject OOV words; in addition, the system has integrality, very high accuracy, low complexity and flexible design frame and is very easy to be ported to every kind of embedded platform.
出处
《信号处理》
CSCD
2004年第5期525-528,474,共5页
Journal of Signal Processing
