I believe spectral shape would be the frequency and amplitude data over
time including all harmonics, as opposed to the idea of just a series of
fundamental pitches. The sonic "envelope" as a whole of the call.
On Jan 21, 2016 6:45 PM, "Peter Shute [naturerecordists]"
<> wrote:
>
>
> Can someone please explain the term "spectral shape"?
>
> Peter Shute
>
> > -----Original Message-----
> > From:
> >
> > Sent: Thursday, 21 January 2016 7:51 AM
> > To:
> > <>
> > Subject: [Nature Recordists] spectral shape vs pitch
> >
> >
> >
> > * Melodic recognition in songbirds
> >
> >
> >
> > Researchers report that starlings trained to recognize short tone
> sequences
> > did not recognize the same sequences when the pitches of all tones were
> > uniformly shifted from the training sequence, or when the tones were
> > played at the same pitch with an unfamiliar timbre, but that the birds
> could
> > recognize sequences that preserved the spectral shape of the tones even
> in
> > the absence of pitch.
>
>
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