This makes me ask the question how does this affect the negative portion of
a wave? Seeing that a square wave would be -5 to +5, wouldn't running it
through the lag cause strange clipping effects?>
>
>
>Just think about what is happening when you hit a low key on the keyboard (a
>
>low voltage comes out) and then a high key ( a high voltage comes out). Now
>
>hit the low key again...
>
>
>
>That "low / high / low" voltage is the beginning of a very low frequency
>
>pulse wave ("square" only if your timing is perfectly even).
>
>
>
>The 'glide' that the lag adds to that for normal 'portamento' use is to slow
>
>the transition, sort of "angling" those up and down transitions.
>
>
>
>There's conceptually no difference between changing the slew rate, as it is
>
>often called, of that hand-generated pulse and one coming out of an LFO or
>
>VCO. (The only difference would be if the lag processor was range-limited to
>
>a low frequency, but you know with MOTM modules that ain't gonna happen.)
>
>
>
>So essentially, that's how you can use the lag as a type of waveshaper.
>
>
>
>Put in a pulse wave (LFO or VCO) and add some lag, and you will get
>
>something approaching a triangle, and with more, a sine wave (a lag is
>
>essentially a special type of lowpass filter after all).
>
>
>
>Put in a pulse and adjust ∗only∗ the up or down, and you will start to get a
>
>waveform approaching and then becoming a sawtooth / ramp wave.
>
>
>
>And of course, the lag is voltage-controllable, so all of this is under VC.
>
>You can morph from one to the other. Try setting up one of the above sounds,
>
>but mult-out the output and feed some of it back into the CV for the lag,
>
>see what you get!
>
>
>
>
>
>
>
> -----Original Message-----
>
>From: John [mailto:jpyyz@...]
>
>Sent: Thursday, 26 April, 2001 1:55 AM
>
>To: motm@yahoogroups.com
>
>Subject: [motm] VC Lag
>
>
>
>I have been searching the archive for about the last hour and
>
>stumbled upon a post made over a year ago about the MOTM Lag
>
>processor. It says it can be used for things other than "glide",
>
>like "turning pulse/square LFO's into bizzare shapes". So how does
>
>the Lag do this? What do the up, down, up/down and shape controls do
>
>when running an LFO (or audible audio for that matter) through the
>
>Lag?
>
>
>
>
>
>John Parks
>
>
>
>
>
>> Other things to use it for:
>
>> a) turn a GATE into a AR envelope generator
>
>> b) turn a pulse/square LFO signal into bizarre shapes (linear
>
>setting works
>
>> best)
>
>> c) it's a natural 6dB low-pass filter
>
>
>
>
>
>
>
>
>
>
>
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