File Size Management

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Scintilla
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Re: File Size Management

Post by 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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8th-ShichinintaiDEL
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Re: File Size Management

Post by 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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8th-ShichinintaiDEL
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Post by 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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Keeper of Hellfire
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Post by 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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