Speech encode arithmetic is the basic of speech compression, the paper chooses the G.729A standard which is sustained by Code Excited linear Prediction and has the 8kb/s data rate, the 3.7~4.0 voice quality.
语音编码算法是语音压缩的基础,通过对ITU-T颁布的多种低码率算法标准的分析对比,选取了数据率为8kb/s,音质质量达到3.7~4.0的以码激励线性预测为基础的G.729A标准。
参考来源 - 矿用RS485测控网络语音传输的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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