Artifacting in text of MPEG4 exports from Compressor

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Artifacting in text of MPEG4 exports from Compressor
by Thad Macnamara on May 15, 2012 at 8:17:53 pm

I am experiencing a pulsating artifact in Compressor MPEG4 exports of self-contained movies. The artifacting is especially noticable in stills with text - the more text the worse the pulsating.
It looks like ringing, but is not constant. It tends to muddy up the background picture near the text. I am exporting SD from FCP 6.0.6. What am I missing in the workflow that causes this?

Thad Macnamara

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Re: Artifacting in text of MPEG4 exports from Compressor
by Chris Tompkins on May 17, 2012 at 11:13:16 am

That's compression.
You Can:

Compress at a higher bit rate.
Start with a higher res image/video.
Use thicker less texts.

You can also try:
Change the compressor settings in the FCP sequence to Prores 422 or 8 bit uncompressed and re-render fully before exporting to compressor.

Chris Tompkins
Video Atlanta LLC

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