Xbox 360 将支持更多的影音档案格式：MPEG4、H.264 和 PlaysForSure

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Added H.264 video support: Up to 10 Mbps peak, Baseline, Main, and High profiles with 2 channel AAC LC.
Added MPEG-4 Part 2 video support: Up to 5 Mbps peak, Simple Profile with 2 channel AAC LC.