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Realization of Conversion between PCM and CVSD Based on TMS320VC33
Author(s): 
Pages: 46-51
Year: Issue:  2
Journal: JOURNAL OF WUYI UNIVERSITY(NATURAL SCIENCE EDITION)

Keyword:  数字信号处理器现场可编程逻辑门阵列连续可变斜率增量调制脉冲编码调制A律压扩;
Abstract: 研究了16 kbit/s连续可变斜率增量调制(CVSD)与64 kbit/sA律PCM编码相互转换的算法和实现.在基于浮点DSP(TMS320VC33)及现场可编程逻辑器件(FPGA)芯片XC3S400硬件平台上,实现了A律压缩与扩展、CVSD编解码算法、2倍因子抽取和内插滤波,成功解决了PCM与CVSD码制的相互转换问题.
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