[CM] LTAS with snd?

[andersvi at notam02.no]

    B> I don't know that term, but perhaps it is similar to the periodogram
    B> in dsp.scm -- an average in the sense that you take a bunch of
    B> short term ffts and add them together.

LTAS - Long Term Average Spectrum ?

The two spectra look similar periodogram and 'mammut-fft' when using
N=frames.  The approach in periodogram is much more flexible then one
huge fft though, having choice of fft-size (and step between ffts).

Thanks.