--- In Doepfer_a100@yahoogroups.com , Ross Goniakowski <carfull@...>
wrote:

>
> what exactly is the point of making more pure sine waves i

when you do additive synthesis (and in some cases fm synthesis)
you want a wave with ideally no overtones. a pure sine wave
is exactly that, it has only the fundamental frequency and
no overtones. the more distortion in the sine wave, the
more overtones are produced.