zipper noise was: digital control

[DCMagnuson at aol.com]

In a message dated 1/11/00 9:36:41 PM Eastern Standard Time, 
harrybissell at prodigy.net writes:

> The other problem is "zipper" or step noise... when you move a value 
through 
> a
>  linear range (especially an oscillator or filter sweep) you hear jumps in 
> the
>  audio (like a zipper...)
>  Really good programming chops can cover most of this up...
>  

Here's a question... I haven't ever built a glide circuit, so I haven't been 
able to try this yet, but if you put a glide circuit on your DAC output, 
would it cover up the zipper noise?  I was figuring this would work well in 
non-critical situations (like a filter sweep)

Dave Magnuson
Independent Music Site
http://www.indiemusicsite.com