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。
However, with the recent advent of powerful coding techniques, the conventional synchronization modes have been shown to be unable to properly synchronize state-of-the-art receivers.
然而，最近阶段，由于超强编码技术的出现，传统的同步模式在最新的接收机中很难实现准确的同步。
Compared with the conventional design of ten-valued circuits, the design has the characteristics of high coding efficiency, low voltage supply, etc.
与以往十值电路的设计方法相比较，此设计方案具有编码效率高、供电电压低等特点。
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