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本文比较了几种常见的语音编码系统客观质量评估方法,得出 LPC CD(法线性预测编码倒谱距离法)是一种最接近主观评估结果的客观质量评估方法的结论,并对 LPC CD 法作了详细的介绍。
This article compares several common speech coding system objective quality assessment methods, and draws the conclusion that LPC CD (normal linear predictive coding cepstrum distance method) is the objective quality assessment method closest to the subjective assessment results. The LPC CD method Made a detailed introduction.