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  • 5DtoRGB – why?

    Posted by Joe Orange on November 11, 2010 at 8:25 pm

    Converted 5D H264 file into ProRes via 5DtoRGB and then slow-moed it in AE. Audio needs to be removed.
    Is it ok to do so in Quicktime 7 by exporting and then going through the options and leaving the sound box unchecked?
    This method would require yet another compression it seems which must surely affect quality as the original H264 file would have gone through 3 compressions including the slow-mo process.

    Is there a way of removing the audio – perhaps before converting to ProRes – which would be less likely to compromise quality?

    Thanks

    Joe Orange replied 15 years, 5 months ago 4 Members · 6 Replies
  • 6 Replies
  • Rafael Amador

    November 11, 2010 at 8:48 pm

    Hi Joe,
    I don’t understand your problem.
    What do you want. to get rid of the audio?
    If so, open the file in QT > Com-J > Delete audio track.
    rafael

    http://www.nagavideo.com

  • Joe Orange

    November 12, 2010 at 1:42 am

    Sorry subject should read removing sound.
    Yes I want to remove the audio from an H264 clip after it has been converted to ProRes via 5DtoRGB (has no option for removing sound), then worked on in AE.
    One way to do this – I thought – was in Quicktime by exporting and thereby compressing the clip through Options then Settings and unchecking the sound box etc. But this in effect means compressing the clip yet again.

    Is there a “non-compressive” method of removing audio preferably after the clip being worked on in AE or if needs be before converting or does compressing it again not affect the quality of the clip anyway?

    You’re Com-J in QT reply tells me that is a better way (compression-free) and I bet there is one in AE as well.

    Thanks

  • Michael Sacci

    November 12, 2010 at 3:25 am

    Did you even try Rafael’s post, he answered your question. Doing it that way there is no quality lose.

  • Thomas Worth

    November 12, 2010 at 8:39 am

    You can transcode a clip without audio in 5DtoRGB by selecting the “Disable Muxing” option. You will also lose timecode by doing this, but can easily add it back in Final Cut Pro.

  • Rafael Amador

    November 12, 2010 at 12:43 pm

    [Joe Orange]
    You’re Com-J in QT reply tells me that is a better way (compression-free) and I bet there is one in AE as well”

    In all the “Save as..”operations in QT are procesless/rendeless/loseless. You just add or or eliminate info from to the original QT file.
    All the “Export” operations process audio and (or0 video, even if you are exporting with the same setting of the original file.
    You have to refine your workflow. Video shouldn’t interfere on audio processing, neither audio should interfere in video processing. Avoid unnecessary recompressions.
    rafael

    http://www.nagavideo.com

  • Joe Orange

    November 12, 2010 at 12:48 pm

    Michael, yes I did and it works. Was just trying to clear up where I was coming from.

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