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H264 and mpeg4 curveball

COW Forums : Compression techniques

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Chris PoissonH264 and mpeg4 curveball
by on Nov 27, 2006 at 2:40:05 pm

Hey there,

I used Squeeze suite and Episode Pro (formerly Compression Master) to compress movies of my TV spots and videos for my Web site, used H264 mostly, and I recently tried to do the same with a 1 minute movie with disapointing results. The movie was composed in AE 7 as an 8 bit DI comp and rendered at 720x486 in Animation and also Apple 8 bit uncompressed, lower field first. The resulting movies were sharp as a tack, file size around 1.5 gigs. BTW they took around 10 hours to render, but the comps were pretty complicated and rendering is not my issue with this.

I used the H264 and mpeg4 codecs in presets for medium progressive movies, got the file size down to around 3 megs but they all look like crap. WMV and Flash movies looked bad too, unless I tweaked the settings with higher data and/or frame rates, but then the file sizes are getting out of hand. Could something be lacking in my source movies? Should they be 16 bit?

Like I said above, the movies I made before for my Website with the same presets are pristine, don't know what happened with this new job. Anyone?


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