Code-Excited Linear Predictive (CELP) coding can provide natural speech quality at medium and low bit rates in contrast with conventional LPC vocoder.
码激励线性预测（CELP）编码在中低速率上与传统的LPC声码器相比可以提供更加自然的语音质量。
Results There are two kinds of factors which affects the DSCT image quality. One is related to scanning, including scanning parameter, swath range, use of contrast medium, etc.
结果影响DSCT图像质量的原因分为两类，一类与扫描有关，扫描参数、扫描范围、造影剂的使用等；
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