Quote:
Originally Posted by Quoth
MP3 is 48K sampling
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Actually, mp3 can be 8khz, 11.025khz, 12khz,16khz,22.05khz,32khz,44.1khz, or 48khz.
Usually 44.1khz since most mp3s are sourced from CDs or files meant to be put on CDs (and using 48khz theoretically might provide lesser quality due to the encoder's psychoacoustics being tuned for 44.1khz, emphasis on might)
Opus, on the other hand, only does 48khz for the reasons you say.