> Do you also use the noise normalisation function which
> proved to be useful in recent stackings on 5170 Hz?

Yes and it makes a small improvement to the 2970 peak.

> Still a few weeks before the 6 channel input soundcard
> for the Raspi appears...

I won't be buying one until the first revision, after
they've got the bugs worked out.  It's a bit too pricey
to take a gamble.

--
Paul Nicholson
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