New Virtual Dub warp2sharp Filter looks great . . . but . .

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New Virtual Dub warp2sharp Filter looks great . . . but . .

Postby post-it » Sat Jul 20, 2002 8:45 am

I MUST be doing something wrong here :!:

Q: are there settings that I don't know about :?:

everything looks really great - except for these very small squares on solid colors.
if fact, one of the times that I encoded this video ( that I made, )
I got really big squares on flat colors ( like the ski, with cubes. )

am I over driving the codec or am I missing a setting somewhere?

can you help?

VD 1.4.7
warp2sharp
div4 *fast*
48K Radium 1.2 Joint-Stereo
640 X 480 Video @ 29.97 fps
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Joined: 17 Jul 2002
Status: Audio: bass remains; if else, 3D

Postby ErMaC » Sun Jul 21, 2002 5:50 pm

Did you try looking at the result not compressed to DivX? Use the same settings and output to huffyuv and then watch that frame by frame.

Color shiver, where a solid block seems to crawls between different shades, is a problem with DivX, and it may be exascerbated by the warp sharpener filter.
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Postby jbone » Sun Jul 21, 2002 6:57 pm

Don't use 48KHz audio unless your source is 48KHz. If you ripped your audio from a CD, then your audio source is 44KHz.

(This wouldn't have any effect on your video, but unnecessary sound conversions could make your audio sound worse - even if it's "upward.")
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Postby post-it » Mon Jul 22, 2002 3:03 am

Jbone

48k is what I recorded the audio at from the radio and it sound ok to me.
:) all I've done to it was crop the announcer off it. THx
( I've heard what happens to the audio when you go from 44k to 48k )

ErMaC

Color shiver, is there a way to limit it?
The RAW looks clean.
I took your advise, in one of your Mpeg writings, and black matted a file.
Then I added my video to it.
sadly, it looks like a Anime-Tech Mpeg :cry:

Please, oh Please!
Help me to make a clean and clear AMV for my first and every time.
I'll do anything!
Study Anything!!
but, I don't know where to begin to understand what to read or where :cry:
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post-it
 
Joined: 17 Jul 2002
Status: Audio: bass remains; if else, 3D

Postby jbone » Mon Jul 22, 2002 10:30 am

Well, for one thing, don't set the codec to do a "fast" encode - use the slowest, highest-quality setting.

Also, you might want to try DivX 3.11a SBC through Nandub instead of DivX 4.
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Postby ErMaC » Mon Jul 22, 2002 7:49 pm

The only effective way to overcome color shimmering is using a temporal smoother or cleaner - I used a temporal cleaner on my XviD encode of Cowboy Blues since the blacks shivered horribly in some of the later scenes. Worked really nice once I found the right settings, also made the filesize a lot smaller, but it's not for every video. I could do it on Cowboy Blues because the video's so laid back and low motion to begin with.
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Postby post-it » Tue Jul 23, 2002 5:19 am

Ah-Ha, now that is looking a lot better.

I think i'll crop the sections that are giving me problems and try some
different settings until I get them to look right. maybe joining them later.
? will that work ?

my first AMV can wait until I get this right!

THx

wow, who would have thought this could become so time consuming!
( I could not have done this without you guys. Thanks man )
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Joined: 17 Jul 2002
Status: Audio: bass remains; if else, 3D

Postby post-it » Thu Jul 25, 2002 5:58 am

umm, I think I got a handle on the encoding. but, where can I find the DivX 3.11a SBC :?:
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Status: Audio: bass remains; if else, 3D

Postby zalas » Fri Jul 26, 2002 8:39 am

The SBC part is part of nandub, which you can download from Doom9 I believe. You can also get the Divx3.11alpha codec there.
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Postby post-it » Fri Jul 26, 2002 6:59 pm

THx man

one Nab Dub coming up :D

Q: ErMaC has an artical on the SBC setting, so this will turn-out really kewl
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Status: Audio: bass remains; if else, 3D


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