RE: [AN1x-list] (unknown)
2000-03-28 by Edwards, Ed
Not to disappoint you, but that zippering probably can't be fixed in the OS.
They seem to have assigned a limited number of steps (probably 256 or one
hex 4 bit nibble) to many parameters. When you've got an extremely high Q
on the resonance, any step between filter cutoff frequencies will be
obvious.
I even think that phenomenon explains the burbly or bubbly sounds out of a
TB-303 on filter sweeps; that even though it is purely analog, the bass
frequencies are low enough that your ear detects the motion of the resonance
as a wave crosses zero.
Anyway, it's not only filtering that suffers from zippering when morphing.
It's a quirk of the machine and I've sorta learned to like it.
They seem to have assigned a limited number of steps (probably 256 or one
hex 4 bit nibble) to many parameters. When you've got an extremely high Q
on the resonance, any step between filter cutoff frequencies will be
obvious.
I even think that phenomenon explains the burbly or bubbly sounds out of a
TB-303 on filter sweeps; that even though it is purely analog, the bass
frequencies are low enough that your ear detects the motion of the resonance
as a wave crosses zero.
Anyway, it's not only filtering that suffers from zippering when morphing.
It's a quirk of the machine and I've sorta learned to like it.
>
> From: "Jerry Aiyathurai" <jerrya3@...>
>
> Dear List:
>
> My questions are:
>
> - how do I tell which version of the synth OS I have, and
> - how do I upgrade if there is a better version?
>
> I was just reading sound on sound's review of the AN1X
> (admittedly an old
> one - 1998). In it the reviewer noted that previous problems
> with zippering
> (when morphing between scenes) was fixed in a new OS update.
> I have got the
> zippering 'feature' on my synth, but primarily on filter
> cutoff. So I am
> hoping...
>
> Thanks,
>
> Jerry
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