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  1. Video sample attached. I need to convert a 1080p 30fps video to 29.97fps to make it Bluray compatible. The sample I've attached is it's native format. I know I can use the fake interlaced flag in x264 but what script should I use to convert to 29.97fps?

    I thought I should use ConvertFPS (29.97) however the resulting video has blurring during panning of the camera. Could you please tell me what the best script is that I should use?
    Image Attached Files
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  2. Use AssumeFPS to slow it down without adding/deleting/blending frames. You have to slow down the audio to match

    AssumeFPS(30000,1001, true)
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  3. Thanks. Any idea why the subtitles aren't kept after I encode the video to .M2TS? I demuxed the encoding and opened the subtitle file and it's empty.
    Is there a way to keep the subtitles?

    Does the script slow down the audio on it's own or do I need to do that somehow? If I need to do it, how do I do that?
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  4. If you include audio in the script, it will slow down the audio (that's what the "true" is for, it shorthand for sync_audio=true), but you should fix the sampling rate with SSRC

    AssumeFPS(30000,1001, sync_audio=true)
    SSRC(48000)

    Text based subs need to be converted to BD sup subs if you want soft subs. Something like srt2bdsup or easysub . I'm not up to date on converting text subs for BD, there might be something newer or better

    Or you can hardcode them with textsub() or any of the sub filter derivatives in avisynth
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  5. Thanks. If I convert the subs to BD sup subs then will the subs still by in sync with the video and audio after fixing the audio and video?

    Is there a particular text to BD sup program you could recommend please?
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  6. Originally Posted by VideoFanatic View Post
    Thanks. If I convert the subs to BD sup subs then will the subs still by in sync with the video and audio after fixing the audio and video?
    Fix timing before converting . e.g aegisub . Load the subs, then file => export subtitles and there is a transform framerate option with input and output FPS



    Is there a particular text to BD sup program you could recommend please?
    Not sure, haven't done that in years . Probably some recommended programs somewhere
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  7. You may also try this:
    1/ Remux your TrimSample.mkv to a new .mkv using mkvtoolnix
    2/ Open the new .mkv in tsmuxer.
    3/ In tsmuxer select change fps and in the dropbox select 30000/1001
    4/ In tsmuxer select Output M2TS muxing, or Blu-ray folder
    5/ Start muxing

    Note however that for blu-ray compliance you would still have to re-encode the stream and convert the audio format to .ac3. The current audio AAC is not compliant.

    Edit:
    Otherwise import your source in BD Rebuilder. It will do the rest for you and produce a blu-ray compliant output, including converted audio and subtitles, and add even a basic menu if you want. Needs a bit of initial learning though.
    Last edited by Sharc; 25th Dec 2019 at 05:53. Reason: BD Rebuilder added
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