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本文阐述了标清和高清串行视频码流中的嵌入数字音频的原理,提出SD/HD视频系统嵌入数字音频的主要评价指标,以TEK VM700综合测量仪为例介绍了嵌入数字音频主要指标的测量方法。
This paper describes the principle of embedded digital audio in standard definition and high definition serial video streams and proposes the main evaluation index of SD / HD video embedded in digital audio. Taking TEK VM700 comprehensive measuring instrument as an example, this paper introduces the measurement of main indexes of embedded digital audio method.