Adaptive Differential Pulse Code Modulation(DPCM) ( ADPCM ) is an effective algorithm of speech coding. It adopts the method of adaptive quantization and adaptive prediction to compress pulse code modulation ( PCM ) signal. 自适应差分脉冲编码调制(DPCM)(ADPCM)采用自适应量化方法和自适应预测方法,对PCM(脉冲编码调制)语音信号进行再压缩,是一种有效的语音信号波形编码压缩方案。
The effects of the channel bit error on the reconstructed images of the Differential Pulse Code Modulation(DPCM) ( DPCM ) systems are analysed in this paper. 本文分析了信道误码对DPCM图象传输系统重建图象的影响。
This article mainly describes the concept and principle of encoding in the first and second chapters. The third chapter mainly describes Adaptive Differential Pulse Code Modulation(DPCM) ( ADPCM ) algorithm, adaptive quantizing and adaptive predicting algorithm. 本文从编码的概念和基本理论出发,论述了自适应差值脉码调制(ADPCM)编码的算法,重点介绍了自适应量化和自适应预测算法。介绍这一系统的原理、构造及操作。
The Adaptive Differential Pulse Code Modulation(DPCM) ( ADPCM ) algorithm has been used to replace the Adaptive Pulse Code Modulation ( APCM ) algorithm in the RPE-LTP scheme to quantize the selected RPE sequence. 又用自适应差分脉冲编码调制(DPCM)(ADPCM),代替RPE-LTP方案中的自适应脉冲编码调制(APCM)对选择的RPE序列进行的量化编码。