文末还给出了缩短R S码的编码和解码算法。
At last the encoding and decoding algorithm for shortened length RS codes is also given.
为了压缩数据，LZ 77算法使用对匹配数据的引用来取代数据部分。匹配数据已经通过编码器和解码器传递。
To compress data, the LZ77 algorithm replaces portions of the data with references to matching data that has already passed through both the encoder and the decoder.
随后，本文在PC机上采用VC编写了改进后的MPEG - 4视频编码器和解码器的软件，验证了对算法改进的可行性。
Later this paper implements the software of modified video encoder and decoder of MPEG-4 using VC on PC platform, which verifies feasibility of modified algorithms.
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