The accurate description of track model and excitation model is the key of the Medium-low rate speech coding.
如何准确的建立声道模型和激励模型成为中低速语音编码的关键。
And medium-low rate speech coding methods have advantages and flaws in describing excitation, and can't describe all kinds of speech excitation perfectly.
另一方面，在中低速语音编码方法中，各种激励各有所长，但都不能很好的描述所有类型的语音激励。
Parameter coding is the main method of low-rate speech coding and multi-band mixed excitation linear prediction (MELP) coding is one of important parameter coding.
低速语音编码主要采用参数编码方式，多带混合激励线性预测编码(MELP)是参数编码的主流形式之一。
Parameter coding is the main method of low-rate speech coding and multi-band mixed excitation linear prediction (MELP) coding is one of important parameter coding.
低速语音编码主要采用参数编码方式，多带混合激励线性预测编码(MELP)是参数编码的主流形式之一。
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