Comments (4)
from audiokitsynthone.
I’m not familiar with audiokit but an okay first pass approximation would be an “if input is above limit then set output to the limit”. This is the behavior of transistor guitar amplifiers or opamp zener limiters, and is not very pleasing to listen to. A lowpass filter on the output helps. This isn’t exactly how the nice sounding analog circuits behave.
Properly simulating a zener limiter (or a tube) involves a bit of math, which I don’t have time for at the moment, but may in the next week or two.
Here is the model of a zener:
https://www.onsemi.com/pub/Collateral/AND8250-D.PDF
Zener limiters are used because they sound warm. The zener limiter circuit needs to be distilled into a simple input/output with some fixed, typical parameters. A zener limiter circuit is two zener diodes in series with opposing polarity, all in parallel with the load. The current through the zener will be dependent on the source voltage, source resistance, and load resistance.
Tubes are often liked for their sound as well. I’m not as familiar with models for these, but I’m sure they exist and will look around.
https://en.wikipedia.org/wiki/Tube_sound
from audiokitsynthone.
from audiokitsynthone.
I can’t see any screenshots in the github issue page. I played with the settings you mentioned. I am not 100% certain, but I think they may be dynamic range compressors rather than clippers. I was unable to use them to force clipping.
from audiokitsynthone.
Related Issues (20)
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from audiokitsynthone.