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I'm trying to find a numerical comparison (perferrably MUSHRA or MOP), between the following codecs: AAC+v1, AAC+v2, AAC, MP3 and various bitrates. I've scoured google, but I haven't found anything worthwhile.

Basically, I'm trying to find a chart that compares bitrate to quality between the above codecs.

Does anything like this exist?

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See Kamedoの音風景. It's in Japanese, but you'll understand the charts. Some examples: MP3 Encoder Comparison and Opus vs Celt vs AAC-LC. Might not be exactly what you're looking for but it's a start. –  LordNeckbeard Aug 25 '13 at 1:31

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