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为了解决中文语音合成芯片构成的语音系统中播放语音速率不可调节的缺点,提出了先用特殊字符对输入的文本进行标注,把文本分成了不同类型的信息帧,然后将信息帧传输给单片机,系统自动判断信息帧的类型,根据不同的信息帧设置不同的延迟时间,从而达到调节播放语音速率的目的.通过实验测试结果表明,这样不仅实现了调节播放语音速率的目的,同时也提高了播放语音的可懂度和自然度.该系统可以利用在各种嵌入式语音合成的系统中.
In order to solve the shortcomings that the speech rate can not be adjusted in the speech system consisting of Chinese speech synthesis chip, it is proposed that the input text be marked with special characters first, the text is divided into different types of information frames, and then the information frames are transmitted to the singlechip, The system automatically determines the type of the information frame and sets different delay times according to different information frames to achieve the purpose of adjusting the playback voice rate.Through the experimental test results show that this not only achieves the purpose of adjusting the playback voice rate but also improves the play Speech intelligibility and naturalness.The system can be used in a variety of embedded speech synthesis system.