First of all, MP3 is a standard MPEG layer under Section 3 of the compressed audio signal decoding technology.

首先，MP3是在一种MPEG标准下的第3层音频信号的压缩解码技术。

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Some have even gone as far as to state that Sony's strategy of using MPEG-2 and uncompressed PCM audio on single-layer Blu-ray discs may have required too much video compression, resulting in early releases that don't match the sharpness of VC-1 encoded movies available on HD DVD.

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