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。
The accurate description of track model and excitation model is the key of the Medium-low rate speech coding.
文中结合该芯片在低速语音编码设备中的应用，详细介绍了其工作模式及配置方法。
According to the application in the low speed voice encoding device, its operation modes and configuration are introduced in this paper.
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.
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