Inverse Telecine for encoded clips

Discussion in 'Amateur Video Production' started by Dimitri P., Jul 11, 2006.

  1. Dimitri P.

    Dimitri P. Guest

    Info required: IVTC for streaming clips.



    Situation: I have a bunch of NTSC S-VHS tapes with educational 16mm footage,
    telecined with a film chain Elmo telecine projector. I want to capture these
    movie clips at a resolution of 480x360 (Google Video max resolution)
    Interlaced at 29.976 fps with VirtualDub 1.6.15, Huffyuv, apply the
    necessary filters, output to Huffyuv and finally convert to H.264 AVC, 2
    Mbps and upload them to Google Video for streaming.



    Knowing that these 16mm telecined films were originally 23.976 fps
    progressive, it would make sense to reconstruct them and streaming them in
    23.976.



    All the info I read so far on numerous sites with info on IVTC and 3:2
    Pulldown deal mainly with clips that would end up on VCD/DVD/SVCD or some
    other form of NTSC or PAL-compliant product in MPEG1/2. It's not my case.



    My question is: What is the best way to convert and IVTC 29.976i to 23.976p
    Huffyuv avi clip, while also keeping the audio in sync throughout the 30
    minutes clip. I don't want an IVTC'd 29.97fps with the repeat flags. I want
    a 23.976i as a final AVI clip.



    Thanks for any suggestions.
     
    Dimitri P., Jul 11, 2006
    #1
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