[sdiy] Korg DW synths and phase in wavetables

[Tim Parkhurst]

On Jan 4, 2008 11:21 AM, Tom Wiltshire <tom at electricdruid.net> wrote:
> Hi all,
>
snip
>
> This does bring up one question though; If you generate wavetables
> with all the harmonics starting at the same phase (0) then the
> wavetables will always have this property of rotational symmetry
> around the central point, which allows you to use half as much memory
> to store them. Given that the human ear can't really hear phase (only
> phase differences and the effects they cause) and can't tell the
> difference between a true square wave and any of the other waves that
> include the same amount of those odd harmonics, is there any reason
> why I _might_ want to store an entire cycle of a waveform in a
> wavetable synth?
>
> T.
>
> _______________________________________________

Hi Tom,

Are you sure all the DW waves are symmetrical? All I can think is that
maybe Korg wanted to be able to produce "sampled" accoustic waveforms,
or other asymmetrical waves, just in case. If you go with the "store
only half" method, then you're kind of stuck with that approach.


Tim (definitely NOT symmetrical) Servo
-- 
"Imagination is more important than knowledge." - Albert Einstein