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  1. 19th Sep 2016 05:17 #1
    DaneClark
    DaneClark is offline
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    Could someone please give me step by step instructions on how to speed up or slow down a clip in virtualdub that won't make the audio and video get out of sync, won't repitch the audio, and leave the framer ate as 29.97 without leaving any framer ate artifacts?
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  2. 19th Sep 2016 07:32 #2
    jagabo
    jagabo is offline
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    Dec 2005
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    To double the playback speed (1/2 the running time):

    Code:
    Video -> Frame Rate...
  Source Rate Adjustment -> Change frame rate to [59.94]
  Frame Rate Conversion -> Convert To fps [29.97]
Audio -> Full Processing Mode
Audio -> Use Advanced Filtering
Audio -> Filters...
  Add...
    Input, Time Stretch, Output (VirtualDub should automatically connect the filters, if not, connect them yourself)
  double click on the Time Stretch filter.
    Time Ratio [0.5]
    Click image for larger version Name: fps.png Views: 101 Size: 28.1 KB ID: 38586
    Click image for larger version Name: audio.png Views: 103 Size: 21.9 KB ID: 38585
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