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.

ENGADGET: Pre-release Blu-ray impressions roundup HD

One only needs to look at what happened after early March 2009, to see this compression and its effects.

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