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benfried / xld

Automatically exported from code.google.com/p/xld
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Add a Format setting which is identical to Apples Mastered for iTunes #207

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
It would be cool to use XLD to create M4a files which are exactly the same like 
Apple suggests in their docs for  Mastered for iTunes. 

They use two commands to achieve this.
afconvert source.wav -d LEF32@44100 -f caff -- soundcheck-generate 
--src-complexity bats -r 127 intermediate.caf
afconvert intermediate.caf -d aac -f m4af -u pgcm 2 -- soundcheck-read -b 
256000 -q 127 -s 2 final.m4a

The docs are here:
https://www.apple.com/euro/itunes/mastered-for-itunes/docs/mastered_for_itunes.p
df

Original issue reported on code.google.com by wolfgang...@gmail.com on 14 Oct 2013 at 4:29

GoogleCodeExporter commented 9 years ago 
Basically it is the same as using "VBR (Constrained), 256kbps, Max quality" 
setting in AAC encoder. I'm not sure about the 'pgcm' parameter, but it doesn't 
seem to have any effects on the output. Do you know about it?

Original comment by tmkkmac on 26 Nov 2013 at 8:26