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August 1st, 2005, 07:57 PM
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#1 |
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Regular Crew
Join Date: Mar 2005
Location: Mississauga, Ontario
Posts: 54
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Audio longer than video after CFHD capture
When capturing HDV with autoconversion to CF Intermediate and automatic scene splitting on, the audio is longer than the video in the clips.
Is this normal?
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Mark Woollard |
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August 3rd, 2005, 08:13 AM
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#2 |
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CTO, CineForm Inc.
Join Date: Jul 2003
Location: Cardiff-by-the-Sea, California
Posts: 8,095
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Yes. It is related to the way mpeg is storing audio. When transcoding we present all the video and audio data (even if audio can be a slightly different length.) This causes no issues.
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David Newman -- web: www.gopro.com blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman |
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August 5th, 2005, 07:27 AM
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#3 |
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Regular Crew
Join Date: Mar 2005
Location: Mississauga, Ontario
Posts: 54
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Thanks David.
But why does the mismatched length only occur when I've turned on "auto scene split" in HD Link?
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Mark Woollard |
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August 5th, 2005, 09:30 AM
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#4 |
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CTO, CineForm Inc.
Join Date: Jul 2003
Location: Cardiff-by-the-Sea, California
Posts: 8,095
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That gets too technical. It is all about the MPEG transport stream structure.
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David Newman -- web: www.gopro.com blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman |
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