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itunes store aac vs. normal itunes ripped aac
paperskyline
post Sep 28 2012, 14:04
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i just want to know which is better, purchased itunes store aac vs. normal itunes ripped aac?
does the quality differ?

This post has been edited by paperskyline: Sep 28 2012, 14:07
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gymnos
post Oct 1 2012, 21:36
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CD rip will contain dither that will (depending on the signal) take some of the bitrate to be encoded. Apple recommends that masters for iTunes are 24 bit undithered so theoretically the encoder spends more bits encoding actual HF signal rather than dither.
I'm not claiming this is audible or impacts perceived quality. I just say the resulting AAC files in many cases will be different.
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