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anonymous 12 August 2004

I'm working on a video game at the moment with 1500+ WAV files which represent all the bits of speech in our game. The problem is that they're not all consistent in average RMS output, varying anywhere from 3-9dB depending on which recording session they came from.

Ideally, I'd love to find a way to batch process them all so that their average RMS output is consistent, as it's my understanding that this is the best measure of "perceived loudness".

Anyone know a way? I've thought about using Cool Edit Pro to set up a batch script, but as far as I know you can only do this for peaks (normalising), not average RMS output.

I'm on Windows XP, btw.

Cheers. :)

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