通常需要采用差错控制码来检测和纠正由信道失真引起的信息传输错误。

Usually there is need to use error control coding to detect and correct those transmission errors caused by signal distortion.

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码书扩大造成每一子集最小失真减小从而提高了量化性能。

The expansion of codebook minishes the minimal distortion in every subset and improves the quantization performance.

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以均匀颜色空间的距离作失真测度，以矢量量化的码书设置颜色寄存的颜色值。实验证明，效果令人满意。

The distance of the uniform color space is used as the distortion measure, and the codebook of vector quantization is used to set the color table register, which shows good results.

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