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16:9 MPEG-4 in Compression Master

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ScottieB
16:9 MPEG-4 in Compression Master
on May 31, 2006 at 3:58:20 pm

I'm having a really hard time with this... please help!

I have a source movie that is a 16:9 DV file that is letterboxed (the original film is in scope 2.35:1 aspect) - I need to convert this to an MPEG-4, keeping the same aspect ratio. I cannot seem to get the settings in Compression Master correct. No matter what I do, I seem to end up with a distorted image. I have tried setting the aspect ratio in the compression section to all options (1:1, 4:3 etc) and have tried many combinations of the resize filter, including turning it off altogether. The closest I came was a 16:9 file, but it was still distorted. In Apple's Compressor, I can get it to work by telling it to use 100% of the source size, but cannot figure out the settings in CM. Compression Master is what I use for everything else, so ideally I'd be able to sort this out. Thanks very much.

ScottieB


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johan skaneby
Re: 16:9 MPEG-4 in Compression Master
on May 31, 2006 at 9:52:27 pm


* in the encoder( mpeg4) check 16 9 asp ratio ( will not show in "preview")

* in the size choose a ratio 320 x 240 or 352 x 288 or some other related ratios ( not 16 9 ratios)

* choose derive from source in the source pixel aspect ratio

I hope that works,


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ScottieB
Re: 16:9 MPEG-4 in Compression Master
on Jun 1, 2006 at 5:59:56 pm

Thanks johan, but that didn't work - still distorted...

After much fussing around, I came up with these settings that seem to work:

In encoder (MPEG4) I chose 16:9

In resize, I chose custom, then set the aspect to 16:9 - I could then input anything I wanted for the width and it fills in the height for me.
also in resize, I set pixel aspect to "assume 16:9"

This works very well!

Thanks for your input, and I hope this can help someone else down the line!

ScottieB


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cegelfand
Re: 16:9 MPEG-4 in Compression Master
on Jul 8, 2006 at 1:47:56 pm

Do you find that compression master works better than compressor for MPEG-2 with DVD as your final format?


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