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Is Capturing Audio With Ogg Vorbis A Bad Idea?
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dragonfly
  Posted: Aug 23 2002, 04:38 AM


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My last ( and first ) question hasn't been answered yet and I am already shooting another one. ph34r.gif ( like this smily, or ninjy ).

I was fooling around with the sound capturing option in capture mode. Then I saw next to the plain PCM codec it is also possible to capture the audio in vorbis.
As we all know vorbis has a relatively small file size, so I thought why not capture with vorbis.
Then i saw all the modes i could choose from and I didn't know what to do anymore. Mode 1, Mode 1+, mode 2, mode 2+, mode 3, mode 3+ and each mode has its own bitrate settings. wacko.gif

Which one should I use and at what bitrate or should I keep capturing with PCM? blink.gif
 
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ProfDrMorph
Posted: Aug 23 2002, 07:56 AM


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I suggest you don't compress your audio while capturing to save some CPU resources and thus prevent possible a/v sync problems.
 
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SillKotscha
Posted: Aug 23 2002, 08:10 AM


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QUOTE (ProfDrMorph @ Aug 23 2002, 09:56 AM)
thus prevent possible a/v sync problems.

possible a/v sync problems??... it won't never be in sync cool.gif maybe with a really good, stable and fast pc but then only using mp3 not OggVorbis

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ProfDrMorph
Posted: Aug 23 2002, 03:45 PM


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IIRC Sarreq Terryx ( or however he's spelled ) said that the Vorbis ACM codec works for him without a/v sync problem. But VBR schouldn't be used in AVI anyway so Vorbis isn't really a possibility.

But since real-time audio compression uses too much CPU resources it's pointless to discuss whether Vorbis is possible or not if we're talking about capturing. smile.gif
 
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BaronVlad
Posted: Aug 23 2002, 07:09 PM


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sync ? I dont even get a sync movie with vorbis, when I compress after capture

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Englisch >> Capture FAQ - Capture Guide
 
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ProfDrMorph
Posted: Aug 24 2002, 09:58 AM


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my Vorbis in AVI experiences:

using Nandub -> perfect sync but impossible to seek

using Vorbis ACM -> always randomly out of sync but files are seekable
 
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