File Size Management

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File Size Management

Postby 8th-ShichinintaiDEL » Fri May 18, 2007 3:23 am

Okay, so everyone helped me figure out how to get from APP 1 /w Lagarith through AVISynth to TMPGEnc to an .mpg file. The movie is 7 minutes 20 seconds and 300 MB. (anime video & live-recorded audio dubbing )

I'm trying to get it smaller, and would like advice on what to tweak. <100 MB would be ideal, and I'm willing to sacrifice quality to reach that. I haven't tried compressing audio yet, would that make a large difference? I could go look up in the guides which compression method would be best, but it's so much easier to play the noob and ask for help ^_^. Feel free to tell me to go figure it out on my own.

My main questions are what audio compression method to use, and how to manage the dimensions to end up with 320x240 (a version not for animemusicvideos.org). What I did appears to have reduced the resolution, but the end result stays 640x480. Do I need a new TMPGEnc profile?

Export settings from APP 1:
Microsoft AVI
Lagarith - RGB (default)
Millions of Colors
320/240
29.97 fps
D1/DV NTSC (0.9)
Interlaced, Lower Field First, Optimize Stills

Audio: Uncompressed, 32000 Hz, 16 bit, stereo, 1 frame interleave

AVISynth: Just DirectShowSource("file")

TMPGEnc, using Scintilla's Otaku Video general submission TMPGEnc profile:
Interlace, Bottom field first (field B)
4:3 525 line NTSC 704x480 or 4:3 display
film movie
640x480


Thanks to anyone with the patience to read my whole noobish post ^_^.
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Postby Bauzi » Fri May 18, 2007 3:48 am

haven't tried compressing audio yet, would that make a large difference?

Yes. A really big one. Uncompressed songs are 3mins =~ 30MB (at 44khz, you have 32khz so your uncompressed file is smaller). mp3 codecs like LAME compress the 3min file to ~ 1,4MB

Has it really to be an old sloppy mpg file?
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Postby 8th-ShichinintaiDEL » Fri May 18, 2007 4:45 am

Okay, thanks for the tip.

If not .mpg, what would you suggest? :D
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Postby Bauzi » Fri May 18, 2007 5:21 am

x264 with mp4

It´s the master of all codecs (for me at least). It is easy to get your well cleaned up DVD footage - amv to 10MB per 1min or less (with audio).

Here stands everything you need to work or know:
http://www.animemusicvideos.org/guides/ ... 64gui.html

You can also try without graphical user interface (GUI); with simpel .bat scripts:
http://aflux.deltaanime.net/Zero1/MP4/x264.html
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Postby Bauzi » Fri May 18, 2007 5:22 am

The GUI includes AAC+ audio compression. If you use the script method, you need the AAC+ encoder too for the audio stream:
http://www.nero.com/nerodigital/eng/Ner ... Audio.html
(freeware + super tutorial)
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Postby 8th-ShichinintaiDEL » Fri May 18, 2007 5:29 am

Wow, that looks great, I think I'll try it. Thanks!

And on a side note, I would like to apologize to Scintilla, because since posting I read his APP guide and found that he already listed all the settings i should use >_<.
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Postby 8th-ShichinintaiDEL » Fri May 18, 2007 5:32 am

8th-Shichinintai wrote:I would like to apologize to Scintilla, because since posting I read his APP guide and found that he already listed all the settings i should use >_<.


Edit: Scintilla linked the guide, but didn't write it... Right? Its 5 AM and i'm tired. :(
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Postby 8th-ShichinintaiDEL » Fri May 18, 2007 5:49 am

Hmm, I installed AMVapp, and I don't seem to find Zarx264gui in there... am I missing something?
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Postby WC Annihilus » Fri May 18, 2007 7:13 am

Just making sure, did you get the right version? (AMVApp 3.0 Beta)
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Postby 8th-ShichinintaiDEL » Fri May 18, 2007 9:11 am

>_< okay, that explains that. Thanks.
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Re: File Size Management

Postby Scintilla » Fri May 18, 2007 4:07 pm

I did not write the page on exporting from Premiere Pro; I did write the page on compressing to MPEG-1 or -2 for conventions.

8th-Shichinintai wrote:My main questions are what audio compression method to use, and how to manage the dimensions to end up with 320x240 (a version not for animemusicvideos.org). What I did appears to have reduced the resolution, but the end result stays 640x480. Do I need a new TMPGEnc profile?

What's happening is that the AVI coming out of Premiere Pro is 320x240, but your TMPGEnc settings are resizing that right back up to 720x480. You need to change the dimensions in the TMPGEnc settings down to 352x240 (if the option is greyed out, right-click the title and select "Unlock").

8th-Shichinintai wrote:Audio: Uncompressed, 32000 Hz, 16 bit, stereo, 1 frame interleave

Where did you get the audio? Most audio from CDs is 44100 Hz, and DVD audio is usually 48000 Hz.
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Re: File Size Management

Postby 8th-ShichinintaiDEL » Fri May 18, 2007 9:20 pm

Okay, thanks.

Scintilla wrote:Where did you get the audio? Most audio from CDs is 44100 Hz, and DVD audio is usually 48000 Hz.


The audio is live-recorded using Window's Sound Recorder and Audacity, .wmv files.
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Postby 8th-ShichinintaiDEL » Sat May 19, 2007 5:36 am

Okay, after adding in some AVISynth scrips, I have a 150 MB .mpg file, and a 50 MB .mp4 file (thanks Bauzi!).

TMPGEnc Plus 2.5 took my .mp3 audio file, but the .mpg file has no sound. Can TMPGEnc not support .mp3?

I want to get the .mpg below 100 MB, most likely by sacrificing quality. Can I do that just by reducing the dimensions in the AVISynth (640x480), while maintaining the same dimensions in TMPGEnc? (352x240 as Scintilla recommended) Or, is there some more cleanup I can do to reduce file size?

My AVIScript:
AVISource("")
ConvertToYUY2(interlaced=true)
AssumeFieldBased()
SmoothDeinterlace(tff=true, doublerate=false)
ConvertToYV12(interlaced=true)
deen("a3d",4)

I tried sharpening, but couldn't tune it right, and in the end it doesn't really need much sharpening anyway.
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Postby Keeper of Hellfire » Sat May 19, 2007 1:43 pm

8th-Shichinintai wrote:SmoothDeinterlace(tff=true, doublerate=false)
ConvertToYV12(interlaced=true)
After SmoothDeinterlace the vid isn't interlaced anymore, so it must be
Code: Select all
ConvertToYV12(interlaced=false)

Btw, get the latest version of SmoothDeinterlace, it works in YV12 colorspace, so no conversion is necessary at all.
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