Can any of you produce a clean sounding mp3 of a swept frequency test cd ?
the source has to be a commercial cd with a sweep freq track on it. I
suspect not, I played a test cd in a portable cd player with it's anti jog
feature enabled, it sounded dreadfull but music cds still sounded ok. nb the
anti jog spins the cd twice it's normal speed and reads ahead into a buffer
to give it time to recover if it gets jogged, it really messed up the sweep
from 10kHz onwards.

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Pete Cross