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I would like to request an effect that offsets the pitch by one point instead of more in the n163. this way, i could have used an effect like that insteadof using 2 instruments on the N163 as in the example.
The plan is to add an effect to allow customizing the strength of Pxx and pitch slide effects. It's fixed right now to provide a compromise between using few and many channels (as the strength depends on that), but unfortunately it's a bit too much for less channels.
Shouldn't it be optimised for fewer channels though, considering that "we shouldn't use more than 6 channels" and everything? :p
Anyway, I think going the MIDI way with separate effects for fine- and coarse-tuning (a la MIDI RPN) would be an interesting thing to consider. Would Oxx work as a coarse tuning effect? And I suppose whichever is further right in the FX columns would take precedence.
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There's no precedence in the midi coarse/fine tuning. Coarse tuning is the high bits, fine tuning is the low bits. You use them both together to get the full range of accuracy available.
N163's frequency registers are only 18 bits anyway. 16 bits of tuning accuracy via two separate effects like this entirely adequate.
I think that would be more effective than controlling the strength of Pxx. It would allow you to specify very precisely what frequency you need (which a Pxx multiplier control would not) and it would have the same number of effects anyway.
1xx/2xx/Gxx, on the other hand, don't have any inherent expectation of precision and have a wide range (0-256)... hopefully you could find a single scale for them that would allow operation in a lot of ranges? Maybe that's not possible though.
It's entirely up to you to choose how many channels you should use. All I do is to ensure it sounds as close to the real hardware as possible.
And I think rainwarrior clarified the problem, the frequency registers for N163 is 18 bits, so controlling the last 8 bits alone wouldn't make much difference. The 2A03 registers are only 11 bits on the other hand.