You cannot denormalize unless you have a peak value for each of the originals. If you have the originals, use sndfile-info to get the peak value, then use sox or similar to change the converted files. OTOH, this is going to be no faster than reconverting all them again.

On Sat, Nov 7, 2020 at 12:58 AM John Murphy <rosegardener@freeode.co.uk> wrote:

Next question then: how do I denormalise about 100GB of recordings? :)

I had thought I noticed a difference between listening to the live shows
and the recordings. A slight dullness / lack of sparkle. I put it down
to being the only listener to the recordings, but part of a synchronised
audience originally (I'm sure there's something to that, even while
different speed processes cause smaller synchronised groups), or my
imagination.

Of course; I'll be quite convinced that my future recordings sound
much better without normalisation...

I really appreciate the help from everyone.

Thanks.
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