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Codecs!?
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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So I'm looking through media cleaner and I have about 30 different codecs to choose from. Which ones offer the best compression? Sorenson? Mpeg1/2? DivX? I know divx doesn;t currently get along with Macs right now, what about sorenson or indeo, all are adjustable but which ones offer the smallest file size for and equal picture quality?
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Make Money With Your Macintosh!
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Clinically Insane
Join Date: Apr 2000
Status:
Offline
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Sorenson rules.
A few artifacts every now and then, but overall is excellent.
Size goes WAY down.
Only problem I have with it is it 'darkens' everything, and I had sound problems with it (my fault).
Go Sorenson.
Cipher13
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Mac Enthusiast
Join Date: Oct 2000
Location: Vancouver BC Canada eh!
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What is your final destination for your video? What is more impotant? Smootheness of play or colour?
RSVP
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Later
Chuck
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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Cleaner 5 has two sorenson codecs, which should i use, adn what about all the apple ones?
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Make Money With Your Macintosh!
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Clinically Insane
Join Date: Apr 2000
Status:
Offline
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Which are the two Sorensons? Their names?
Use the one with the bigger number after it 
If in doubt, that is...
Cipher13
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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It has sorenson 3, and sorenson with no number after it.
?
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Make Money With Your Macintosh!
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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Well let me ask it this way, you know those movies on hotline, the MPEG ones that are about 1200MB. If I was to encode this in Sorenson 3, how small would it be with the same quality as the MPEG?
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Make Money With Your Macintosh!
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Administrator  Join Date: Mar 2000
Location: Land of the Easily Amused
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Addicted to MacNN
Join Date: Sep 2000
Location: Isle of Manhattan
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Sorenson is great - but Mpeg1 is better.
I used to be a Sorenson Only snob (especially after all those Quicktime Seminars!),
but started MPEG1 NTSC (352x240 29.97fps VBR) and have been hooked since. You can't beat mpeg1, unless you have an old machine. The only drawback to mpeg1 is that programs like Director won't let you use 'em - it's QT cinepak or sorenson or none.
But mpeg is larger, and for web users still on a modem, a 5mb file versus a 2 mb makes all the difference, That's where Sorenson works well. (unless you really tighten the compression on your mpegs!!)
For smaller size, try Sorenson compression, 15fps, VBR encoding with data rate at 300k, key frames set to 45. Audio use 4:1 @ 22khz. Experiment like crazy, it's fun (kinda). Remember that each clip is unique with regards to motion, colors and sound - all of which effect the data rates and key frames (less motion, lower Data rate & higher key frames) more motion? - then raise your data rate and lower key frames to natural or 15.
anyhowz, good luck!
[This message has been edited by osiris (edited 03-05-2001).]
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Senior User
Join Date: Mar 2000
Location: France
Status:
Offline
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I don't think that mpeg1 is better than sorenson...
a detail about sorenson: Don't check the box "maximum bitrate= xx KB"
noliv
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-noliv
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