Now automatic speech recognition (ASR) is not a simplex signal processing. The natural language processing is more and more regarded in Chinese ASR.

汉语语音识别的研究越来越重视与语言处理的结合，语音识别已经不是单纯的语音信号处理。

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The system adopts the AT89S52, and by using embedded C programming language realizes signal collection, processing, display and printing.

系统采用芯片AT89S52，通过嵌入式C语言编程实现信号的采集。

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