[ecasound] extract, mix and save questions

I couldn't find a way to do this in ecasound, but maybe there's a way to
do it. Here's what I want to do:

Find the exact length of a audio file in ms. I think ecalength can do
this, I know it's not sample accurate, but I just need down to the
around 1ms. Maybe there's another option other than ecalength. I´d like
to have it sample accurate, or at least to the nearest zero crossings.

Then, I want to extract a section of another file: at a specific
location in ms and at a length of the file above. I see that sox may be
able to do this using the 'trim" feature.

Then, mix that extracted segment with another file and save the result
to a new file.

How can this be done? Any ideas?

thanks,

brad

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Received on Tue Dec 20 00:15:05 2005