ADPCM算法及其软件模拟  

ADPCM Algorithm and Its Software Simulation

作　　者：郭世满[1] 曹士坷[1] 

机构地区：[1]南京邮电学院电信工程系

出　　处：《南京邮电学院学报》1993年第4期1-11,共11页Journal of Nanjing University of Posts and Telecommunications(Natural Science)

摘　　要：分析了自适应差值脉码调制(ADPCM)的原理及其算法,根据CCITT G721建议,采用C语言,对其中的复杂过程进行了模拟。由于这种模拟具有计算精确和图形显示直观等优点,在科研工作和教学实验中均起了一定的作用。The principles and algorithm of the adaptive differential pulse-coded modulation (ADPCM) are analyzed. A simulation program is written to demonstrate the complicated process of ADPCM. The program, which is written in C language, has the advantages of high precision and vivid graphic display, so it is useful in both research and classroom instruction in the field of digital communications.

关 键 词：ADPCM算法 计算机模拟 脉码调制 

分 类 号：TN787.4[电子电信—电路与系统]