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| A dual layer DVD will certainly play in normal players. There's nothing unusual about a dual layer disc at all, most retail discs are dual layer. They take longer to burn but don't require you to do anything different. If you are using a professional authoring system you can choose the point at which the video changes layers for minimal disruption to the viewer (ie on a natural cut point, not in the middle of a shot). You won't get 250 minutes of video on a single layer disc. It depends on the content as to how well the video will compress. All normal rules about compression apply - fast movement will look blocky, fades and dissolves will look blocky at low bit rates. But without looking at all 250 minutes of video it's hard to say exactly how bad it will look. You obviously want to use a good multi-pass compression tool. -Chris On 30/07/2012, at 5:38 PM, Jonathan Penzner wrote:
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