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Old 15th December 2001, 21:21   #1  |  Link
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Join Date: Dec 2001
Posts: 66
GordianKnot/Nandub question


I'm new to the GKnot/Avisynth/Nandub method but so far everything is fine, though I've got some questions.
The movie I'd like to encode: JamesBond, 2h, 2.4:1 "real" AspectRatio, onto 2 CD's, projected bitrate 1400, input resolution: 720x576 (16:9)

First: I can't get this Bits/(Pixel*Frame)-Value lower than ~0.27 otherwhise I'd have to set a higher output resolution than 720 (so far I get 0.276 with 720x288 fully cropped) and I think this ain't good (GKnot shows a red flag). Thus, the 5% CompressionCheck with Nandub gives a value of 73%, although Doom9 recommends it to be between 60 & 70%.
Am I more or less in tolerance, should I increase the resolution or have I made some mistake ?

Second: Is it possible to manually set the keyframe-compression in the SBC-settings (cause set to 2-3 it boosts quality, which even I can understand), when using this combination of GKnot/Nandub (or DO I even have to set all this and other settings of Nandub manually ?).
It's nowhere mentioned in the "old/advanced guide" of GKnot/Nandub, although I consider it to be important.
Or could this screw up all the projected filesize/compression ?

Thanks a lot for every hint

Yes, my English ain't good, and you may call me a newbie ripper; I don't care.
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