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Thread: Cine film conversion to DVD format

  1. #1

    Cine film conversion to DVD format

    I've recently had some cinefilm transferred into DVD and can't say that I'm happy with the results. Each film was done by a different processor, but both seemed less clear than the originals. The DVD s seemed to play a little more quickly than the cine did, plus in an overexposed section it looked as if the film was projected onto a cloth sheet which showed through the subject matter as it was re-filmed.
    Can anyone recommend any processor who perhaps uses a more sophisticated method of transference than projecting the original to refilm for the DVD? Is there such a method which gives noticeably better results?
    Would appreciate any suggestions or comments on this subject- thank you.

  2. #2
    Nothings going to give better results than the source material.

    If its actual film then there could be a need to clean that up and thats specialist work, the thing about speed could be due to the FPS which can be in uk or us values and can lead to that comedic chinese martial arts bit where the audio is so far out its silly. The UK normally does 24FPS and the US (Never The Same Colour) runs around 29 frames per second.

  3. #3
    It sounds like part of the method they've used, especially the bit where you've mentioned over exposure, is telesync. It's commonly used to record films in cinemas (if you download torrents and see any films marked as TS this is what it means), and basically you record the film being projected onto something, and the audio simultaneously as a line-in. They've probably recorded digitally at a different frame rate to the output frame rate of the DVD, and then when the DVD has been compiled it hasn't been adjusted so you get weird visuals effects and the audio going out of sync, similar to what @Maxatoria has mentioned.

    Ideally they should be using a telecine machine which takes into accounts the difference in frame rates, and also gives a better quality. What you want to ask anyone who's processing them is whether they have a telecine machine, or whether they're using some version of telesync. It is possible to do it digitally using a film scanner, so they may not need a full telecine machine (the ones I've seen are pretty big), but telesync is pointless. You're effectively making a camrip of your own movie.

    ETA: Due to housemate tab hanging and looking at what I was writing, and for anyone else interested.

    The reason the audio won't speed up or slow down during a conversion process using a different frame rate is because the audio is recorded as a separate track with no reference to what frame it was recorded on. While the frame rate can be altered, the editing system just assumes the audio is good and keeps it the same length and doesn't alter the pitch or cut. When the video is played, what you get is effectively a series of still images being played very rapidly, while a soundtrack also plays simultaneously, and because the visuals and sounds match, you brain sees it as one thing. That's why it can be quite jarring when it desyncs because your brain isn't getting the two things at the same time like it expects.

  4. #4
    Google a professional transfer facility, results will be better, assuming that the original film quality is good, but it may be very expensive indeed. It's your money, it's up to you. The difference in speed could be because your old projector doesn't run at the right speed anyway. Any film shot at 24fps will be transferred at 25fps (Google for further information).

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