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Thursday, January 06, 2005
DivX Stuff
Okay, this is not meant for the public audience but rather of a reminder to myself on what to check on during a conversion of any movies to DivX.
Filters (in order):
1. Deinterlace (mode: blend)
2. Crop
3. Resize (size & method adjust accordingly)
Make sure resize follows the DivX standard of 16 multiplier. E.g:
1. 720 x 480 -> 640 x ...
2. Formula: 720 / 640 = 480 / Z
3. Algebraic transfer: Z = 480 * 640 / 720 = 426.667
4. Check the nearest 16 multiplier: 416 (10 pixel) > 426.667 > 432 (6 pixel)
5. 720 x 480 -> 640 x 432 (we take the smallest pixel difference)
DivX Configuration:
1. Encode Performance: Slow
2. Bitrate: 1022 (for small screen devices) / 2044 (for notebooks or desktops)
3. Off for all: Psychovisual Enhancement, Enable Crop & Enable Resize
4. Source Preprocessing:Light none
5. Interlacing: Progressive Source
6. Scene change threshold: 50%
7. Max Keyframe interval: 300
8. Quantization type: H.263
Must have links:
VirtualDub
DivX
Filters (in order):
1. Deinterlace (mode: blend)
2. Crop
3. Resize (size & method adjust accordingly)
Make sure resize follows the DivX standard of 16 multiplier. E.g:
1. 720 x 480 -> 640 x ...
2. Formula: 720 / 640 = 480 / Z
3. Algebraic transfer: Z = 480 * 640 / 720 = 426.667
4. Check the nearest 16 multiplier: 416 (10 pixel) > 426.667 > 432 (6 pixel)
5. 720 x 480 -> 640 x 432 (we take the smallest pixel difference)
DivX Configuration:
1. Encode Performance: Slow
2. Bitrate: 1022 (for small screen devices) / 2044 (for notebooks or desktops)
3. Off for all: Psychovisual Enhancement, Enable Crop & Enable Resize
4. Source Preprocessing:
5. Interlacing: Progressive Source
6. Scene change threshold: 50%
7. Max Keyframe interval: 300
8. Quantization type: H.263
Must have links:
VirtualDub
DivX
posted by Jaselee @ 
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