PCM codec description of the procedures: 1. Coding: a systematic extraction procedure first time, check sine function value, its encoding, the sample 8000 times per second. Each run to generate 8000 values into Excel file, each generate a file, the file name in numerical order, such as the file group has vacancies, then inserted into the vacancy position to generate documents, and after the file name to show the difference between X . Example: Only documents x000.xls, x002.xls, then run the program generated x001x.xls If there is such a document x000.xls, x001.xls, x002.xls, ... ... X019.xls a total of 20 documents, while running to generate x020.xls. 2. Decoding: After running the program for the importation of want to decode the file name, then on that document, the data decoder, decoding the generated file name in the file name are added before recoder_, for example, encoded documents: x005.xls, then decode the file name for redoer_x005.xls.

PCM编解码（课程设计）
.....................\PCM编码.cpp
.....................\PCM编码.exe
.....................\PCM编解码设计说明.doc
.....................\PCM解码.cpp
.....................\PCM解码.exe

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