additive

[Ethan Duni]

>> Does this remind you of something? It is the Heisenberg theorem applied
>> to music instead of quantum physics (the math is the same in this
>> case):  time resolution rivals with spectral resolution. If you want
>> good spectral resolution, the window has to be very long, thus time
>> resolution suffers and vice versa.

-specifically:

Delta t * Delta f >= 1/4Pi

.. at least i think that was it; i already returned the book to the library.. 

Ethan