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Why is there a limit of 2 hours per disc?

April 26, 2017Disc hours limit

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Why is there a limit of 2 hours per disc?

2 Answers

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While it is possible to fit more than 2 hours of video on a DVD, we do not produce such discs because of quality degradation. In order to fit more data on a DVD-R more compression is required, the more you compress the lower quality you get.

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While it is possible to fit more than 2 hours of video on a DVD, we do not produce such discs because of quality degradation. In order to fit more data on a DVD-R more compression is required. MPEG2 compression used in DVDs is lousy: the more you compress the lower quality you get.