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| spockminov |
| Posted: Sep 3 2002, 06:14 PM |
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Unregistered
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In VDub file editing, audio>full processing, there is a "hi-quality" switch. Anyone know what this does?? If I already have my audio in 44.1 stereo 16-bit, what would the hi-quality do? I am guessing it is like a filter to remove "hiss" maybe, but anyone know for sure? Anyone use this feature?
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| SillKotscha |
| Posted: Sep 3 2002, 06:26 PM |
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smart Moderator
Group: Moderators
Posts: 146
Member No.: 6
Joined: 7-July 02
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sorry, I can't find what you mean... would you be so kind and be a bit more precise please... where did you find the high quality switch??
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"Have you ever noticed that whenever Microsoft calls something 'Smart', it's definitely a feature you want to disable!" |
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| spockminov |
| Posted: Sep 3 2002, 06:59 PM |
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VDub, open avi file, set audio to full processing, go into "conversion", and where you can convert from say 48 to 44.1, there is a toggle box for "high-quality"... |
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| SillKotscha |
| Posted: Sep 3 2002, 07:13 PM |
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smart Moderator
Group: Moderators
Posts: 146
Member No.: 6
Joined: 7-July 02
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no, sorry I can't help you out here 
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"Have you ever noticed that whenever Microsoft calls something 'Smart', it's definitely a feature you want to disable!" |
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| phaeron |
| Posted: Sep 4 2002, 03:45 AM |
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Virtualdub Developer
Group: Administrator
Posts: 7773
Member No.: 61
Joined: 30-July 02
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The "high quality" switch is misnamed -- it should be renamed to "don't suck." It changes the audio resampling mode from point sampled (nearest neighbor) to a triangle filter (linear). The triangle filter is still pretty poor, but as you guessed it does a better job at reducing hiss after resampling. I haven't gotten around to implementing better audio resampling filters as I have with video, primarily because there isn't much quality to begin with in the VHS and broadcast sources I use when experimenting.
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