5. AviSynth
Avisynth is a way to manipulate video with its own scripting language. It can do non linear operation impossible in any other application and it is also generally very fast. Remember that (almost) nothing is impossible in avisynth. The homepage of avisynth has a great list of additional filters not listed here and some really good scripting examples. Also note that PAL specific settings will be mentioned at the bottom. You should also visit the filter section first to learn about some of the most common filters and what they do. The full avs should look just about the same as the avs you got in the previous step and is a good starting point for most anime.

The basic AVS
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LoadPlugin("C:\DVDRIP\Filter\DecombLegacy.dll")
LoadPlugin("C:\DVDRIP\Filter\mpeg2dec.dll")
mpeg2source("C:\DVDRIP\VOBS\video.d2v")
Telecide(chroma=true)
Decimate(cycle=5,quality=3)
Crop(0,0,0,0)
BilinearResize(640,480)
What does this avs do?
Line 1+2: Loads the filters.
Line 3: Opens the d2v file you saved in dvd2avi.
Line 4: Telecide peforms the ivtc, with this setting every frame will be deinterlaced (removes black lines).
Line 5: Decimate drops frames that are the same.
Line 6: Crops.
Line 7: Resizes video to 640x480.

What should i change in this avs?
Line 1+2: Fill in the correct path to these dll files.
Line 3: Fill in the correct path to the d2v. If you have a Pentium 3 or Amd Athlon+ use idct=2 to increase speed.
Line 4: Use Telecide(blend=false) if your source was PAL.
Line 5: Dont change this line.
Line 6: Use the crop line you got from the Bitrate calculator.
Line 7: Leave it this way.

The full AVS
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LoadPlugin("DecombLegacy.dll")
LoadPlugin("mpeg2dec.dll")
LoadPlugin("warpsharp.dll")
LoadPlugin("dup.dll")
LoadPlugin("antiblink2.dll")
LoadPlugin("Convolution3D.dll")

mpeg2source("C:\DVDRIP\VOBS\video.d2v")
Telecide(chroma=true)
Decimate(cycle=5,quality=3)

#For removing rainbows
#chromavid = Reduceby2().AntiBlink(10,debug=false).SpatialSoften(7,0,50).blur(1.5).BilinearResize(720,480)
#MergeChroma(chromavid)

#Crop
Crop(0,0,0,0)

#Smoothers
#SmartSmoothHiQ(2, 128, 12, 12, 6, false)

#Temperal Smoothers
#Convolution3d(1, 10, 22, 8, 8, 3, 0)

#Resize
BilinearResize(640,480)

#Sharpen
#WarpSharp(depth=92, blur=3, bump=92, cubic=-0.6)

#Copy frames that are the same
#dup(threshold=0.1,copy=true)
What does this avs do?
It is an avs intended for use with telecined ntsc video (the most common for anime) and removes the "interlacing" with decomb.

What should I change in this avs?
Line 1-6: Fill in the correct path to these dll files.
Line 8: Fill in the correct path to the d2v.
Line 9: Use Telecide(blend=false) if your source is PAL.
Line 10: Remove if the source is PAL.
Line 12-32: Remove the # in front of each line for each filter you want to use.
Line 13-14: These are the recommended settings.
Line 17: Use the crop line you got from the Bitrate calculator.
Line 20: Change 128 into 256 if there's a lot of noise.
Line 23: These are the recommended settings.
Line 29: These are the recommended settings.
Line 32: These are the recommended settings.

 

 
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