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DCO LFO #23
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It will be something like +-3.5 octaves (like we did on filter). The old analogue synth used CV (control voltage) a LOT. so it was common to see stuff like 1 volt per octave. I will see if I can confirm the max modulation range for you. |
the range seems to be of 1 tone and seems to match the sounds, but the slider to amount is currently wrong (atm is linear) (i've to lower waaay down compared to patches to get the same sounds) |
Answer is in 106 service notes. +-400 cents. |
That's great, i think the real error is here https://github.com/dzannotti/junox/blob/master/src/junox/voice.js#L64
I mean currently it does +-200 cents, so for sure that needs fixing too |
The code for actual pitch modulation looks ok - looks like current code is -100 to +100 cents (I am review code on small tablet so may be wrong). Are you saying that the effect of the slider on the depth should not be linear? So:
If this is the case then I have a couple of wav files that I can analyse. |
Makes me wonder if the other modulation sliders (for the VCF) are non-linear. The VCF is really hard for me to accurately measure. We will need to do by-ear comparisons for that. I had a play with the current demo ... it definitely feels (without me checking mu JU06) like I have specified the "5" part of the slider equation too low, and the "14" too high. You might want to experiment with ("10" and "12") or ("20" and "10") - to see if it feels better. At the moment I plan to get my JU-06 driven from midi at the weekend so I can start to compare its filter settings (which are supposed to be very close to the 60/106). |
The dco lfo seems to be in the right range, but the mod value is waaay off (probably it's not even linear)
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