I was wanting to take a song from a cd, put it into audition and expand the dynamic range without clipping. I noticed that most recordings are compressed to much and was wondering if they is a method/edits that can improve dynamic range
Well, if you go to Effects/Amplitude and Compression/Dynamics processing, there are a couple of presets there. One is "3:1 Expander" and the other is "Compander". The first leaves the louder passages alone but progressively drops the levels on other parts as they get quieter. The second reduces level on quieter passages and amplifies some of the louder stuff.
Obviously you don't have to stick with the default and can play with the settings--but looking at the graphic display may give you some ideas on the adjustments you want to make.
The problem is, once the dynamic range is totally gone, as it is all too often on commercial recordings, there's not really anything you can do. If every bit of the track is hitting 0dBFS, then telling software to turn down everything lower than -10dB isn't going to do much. Riding levels manually might achieve something (quieter verses, louder choruses or whatever) but it's not really a substitute for genuine dynamic range.
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