[Help]Problem with AviSynth Filter

[lemon rain]

I found a problem about the subtitle!
add the subtiltle to use the VSFilter.dll
but it had a little noise
I wanna know which filter can slove this problem
let character to look in focus like use the vobsub to add the subtitle!
by the way I use the vobsub to look is better

that's my avs file now!
LoadPlugin("C:\Program Files\AviSynth 2.5\plugins\UnDot.dll")
LoadPlugin("c:\Program Files\Gordian Knot\Convolution3D.dll")
LoadPlugin("c:\Program Files\Gordian Knot\deen.dll")
LoadPlugin("c:\Program Files\Gordian Knot\WarpSharp.dll")
LoadPlugin("C:\WINDOWS\system32\VSFilter.dll")
AVISource("C:\060.AVI",FALSE,"YV12")
UnDot()
Convolution3D(preset="animeHQ")
deen("a2d",2,10,12)
WarpSharp(depth=128,blur=3,bump=64,cubic=-0.6)
TextSub("c:\060.ass")

thx 4 ur answer! ^^

[Wilbert]

What has noise? The subtitles, or the clip itself? Could you provide a screenshot?

[lemon rain]

aroud the subtitle has the noise
sorry i don't have the screenshot
i deleted the avi file