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图像和声音信号的处理始终基于编码压缩技术,因此编解码质量是数字电视节目质量的根本保证。本文基于MPEG-2标准的介绍,详细阐述了编解码系统质量评价方法。
The processing of image and sound signals is always based on the coding compression technique, so codec quality is the fundamental guarantee of digital TV program quality. This article based on the introduction of MPEG-2 standard, elaborated the codec system quality evaluation method in detail.