From the original SynthMaker forum (2004–2014), with its members’ names and dates.
unkargherth ·
Well after seeing the posting From NAS about heis vu-meter ( really a level meter from my POW), i though it would be a good idea to post the one i developed a few days ago
Don't take too seriously. NOT a REAl vumeter, as scaleis not really logaritmic ( only a kind of simulation/approximation) nor measures are real nor precise but allows a certain degree of visual main volume perception
Here is the schenmatic.
Waiting you feedback....
Nu Audio Science ·
You dont need feedback dude this is cool as beans 🙂
infuzion ·
Neat idea... seems not sensitive enough though: I hooked it up to SpiralSynthisys4, & thought the meter's numbers ran, sound came out & wave displays did their thing, the needle didn't jump. I had to adjust the float attached to EnvFollow7 to 1.7 before really got anything, then the needle just jumped up & down really fast.
The real VUs I remember are basicly little motors; current runs through wire wrapped around some metal & the magnitized metal in turn moves the needle. Sort of like magnets on a speaker, but instead of in & out movement the electro-magnets cause turning. Perhaps if you find a speaker simultor (for delay & soft-knee limiting) it the VU needle will flow more smoother.
unkargherth ·
Ths is only an experiment. Thre's no enough math primitives in SM to do it correctly. In fact, env Follower is a crude Low pass, while it should be a level eveluator with configurablee attack and release time and slectable Peak/RMS/AVG response.
Also the VU should be logaritmically scaled and not the crude conversion that has been done. But again, no log primitive
On the other sideit needs a high level signal to work reasonable ( so high to cruch you speakers) so i sugest you put it befor4e any volume knob
For last, i don't really know how signal level and polyphony interacts in SM, although i usually get noise when playing chords on keyboard. A standard , official formulae for mixing would be useful here
I try to do a version 2.0 when any of the above requierements will change status
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