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Problem with audio sync transcoding from NTSC to PAL
Hi there!
I’ve transode NTSC film to PAL [Compressor] and everything is fine
(NTSC m2v ->DV PAL -> PAL m2v) but when I’m transcoding ac3 file
with audio track it simply mismatches the video track. I’m a little confused
because I’ve tried to set either output duration percentage (24@25) and
by setting output duration by timecode.Any help will be appreciated 🙂
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3 Replies
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you don’t have to transcode the audio!
the same ac3 file works in NTSC and in PAL.
Reason: when transcoding between NTSC and Pal you not changing the length of your film just how frames per second. So the audio is not affected here.
Also not sure why you have DV PAL in your workflow. I come from Pal and go to NTSC but the principle the same. I create one Pal m2v video only, one NTSC m2v video only and one ac3 for the audio.Carsten
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Thank you very much:)
I was confused a bit, its my first time when I do a trancode 🙂
Now the problem is that Compressor 3.0.2 shows wrong video lenght of my m2v ntsc asset
when I put it in it. QuickTime and DVDSP show the right timecode but now the Compressor.My video is 01:56:54:17 (QuickTime and DVDSP)
the same video in Compressor has 01:33:34:01It’s 26 minute difference!
I have transode the same m2v file with JES Deinterlacer and the audio matched the PAL asset.
Any thoughts on this ?
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Sorry Robert, no idea why this happens…
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