avgBitrate

Discuss Max, an open source CD audio extractor and audio converter.
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Tony
Posts: 18
Joined: Fri Mar 13, 2009 4:22 am

avgBitrate

Post by Tony » Mon Dec 28, 2009 7:02 pm

When I select 128VBR (with Apple MPEG-4 (Audio) AAC (Medium Quality Setting)):

what is encoded is:
maxBitrate = 163360
avgBitrate = 141238

if I encode with iTunes:
maxBitrate = 160176
avgBitrate = 128000

and with afconvert -v -b 128000 -s 2 -f m4af -d aac
maxBitrate = 160176
avgBitrate = 128000

What would be the Max Pref Settings to replicate iTunes (....not that I want to do this, just trying to understand)

Thanks,
Tony

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