🚀 go-pugleaf

In article <D2150035.a0av1t@outpost.SF-Bay.org> peirce@outpost.SF-Bay.org (Michael Peirce) writes:
>
>In article <=zrmcja.stever@netcom.com> (comp.sys.mac.apps), stever@netcom.com (Steve Riggins) writes:
>> In article <D2150035.9ud57r@outpost.SF-Bay.org> peirce@outpost.SF-Bay.org (Michael Peirce) writes:
>> >
>> >> 
>> >> A related question:  The compression of each frame by itself will give you
>> >> quite a bit of savings in file size, but as is the case with the new proposed
>> >> Digital TV standards, the real savings come when you start encoding only
>> >> inter-frame differences or only the difference between what you predict to be
>> >> the next image to be and what it actually is.  Are any of these compression
>> >> techniques available for making movies from PICS?
>> >
>> >QuickTime movies *do* use temporal compression (though you can turn
>> >this off you you really want to).  
>> >
>> >Apple had a utility called "Convert To Movie" on the QuickTime developer
>> >CD-ROM that would convert a PICS file to a QuickTime movie.
>> >
>> >My product Smoothie can take a folder filled with PICT files and put
>> >them all into a QuickTime movie - each PICT file making a new frame.
>> >(And if the files have object oriented pictures in them, Smoothie
>> >will do a nice job anti-aliasing them too).
>> >
>> >--  Michael Peirce      --   peirce@outpost.SF-Bay.org
>> 
>> Michael,
>>   As of this writing, only the video compressor uses temporal
>> compression.  The other compressors are strictly spatial.
>>
>> Steve Riggins                  Internet: stever@netcom.com
>
>They can use frame differencing though right?  I get substantially
>smaller files with the graphics compressor with frame differencing
>enabled.  I'm fuzzy on how frame differencing is different from temporal
>compression.  Any good explainations out there?
>

  I tried the animation compressor with no luck.  The grpahics compressor also,
unless MovieConverter is lying to me.  Did your grpahics come out looking worse?  It may have just been lowering the spatial quality.


-- 
Steve Riggins                  Internet: stever@netcom.com
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