[sdiy] Fourier Analysis Question

[Tom Wiltshire]

On 17 Dec 2010, at 15:52, Paul Cunningham wrote:

> how many wavetable slots are necessary to get an accurate sound? you will need more different waves for the attack, but i suppose the partial phases become a lot more important for the sustained portion since pianos have up to three strings per note and your wavetable would need to represent that movement by scanning a loop or being really long. would you try to modulate the wavetable scanning or just run from front to back at a linear rate? what are your thoughts on that? -pc

There's some interesting stuff on this in Chamberlin's MAM book. Page 434 has a diagram showing the way a harmonic evolves between two wavetables if the phases are not identical.

T.