Joakim Wendel wrote:
In article , Chung
wrote:

And yet you think the decay of a sustained note is solid. I'm afraid
that there is more to it than just experience.

The frequency is solid. Not sure what solid decay means, since I never
used that term...




Scott Wheeler

Just a technical question coming; at the attack of a piano tone the
overtone spectra is quite large i think, ranging way up in frequence
even, how are the overtones decaying on a tone like that?

Somehow i get the feeling that if you'd analyze this note
1) at attack
2) 1 second later
3) 10 seconds later
you'd get quite a variety of visible overtones thus suggesting not so
solid decay?

Excuse my lack of knowledge, the question is serious.
Joakim



Not sure what you meant by solid decay. You can certainly analyze the
spectrum of the waveform of a sustained chord, and you see the
amplitudes of the harmonics (including the fundamental) changing
(decaying) over time. But the frequency should be stable, i.e., there is
no frequency modulation on the tones.

When I used the term solid sustained notes, I was referring to the
frequency, not amplitude (which is of course decaying over time).