One Pass or Two Passes? (export)

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    • #37011
      Zvi
      Participant

      I know that a second pass in export gives better compression but my question is as follows:

      Where I work, we do one pass at export. I assume that this is just to save time.
      My question is, does a second pass ONLY help compression or does it give better quality to the final export?

      What do you guys do? 1 or 2 passes?

    • #164167
      Anonymous
      Inactive

      Great question. I hope someone know the answer ’cause I’d like to know this one myself. I supposed tests would be the only way to find out.

    • #164168
      Anonymous
      Inactive

      think of the first pass as an analytical pass, checking the data to determine bit rates for sections of video, the second pass is the actual render process.

      John

    • #164169
      Zvi
      Participant

      That’s true but the question still stands… when doing 1 pass… so the render happens on the first pass and the question was if the quality is still the same.

    • #164170
      Anonymous
      Inactive

      if you are doing 1 pass, you have to guess at the optimum bit rate, so yes there could be a difference in quality, file size, etc…… 2 pass is a bit more analytical, and could yield you marginally better results overall.

      John

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