ES5506 filter control revamp #979
Kagamiin
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How to get those 11 different filter modes via the low-level settings:
NOTE: refer to page 33 of the manual I linked above for how to calculate the cutoff freqs and what the N-factor is used for (it refers to the "attenuation factor" in the cutoff calculation formulas). |
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So, I was sent these documents on programming the ES5506: https://drive.google.com/file/d/1wurPv72pYo0anJti0PuvurUGI51-IfxK/view, and I have a suggestion to improve the controls for the filter settings for the ES5506 instrument type (which for now is looking very cryptic and technical).
The filter implemented by the ES5506 is a 4-pole multimode filter with no feedback and where you can only change the modes of the last 2 poles. Nonetheless, it seems like the filter can work in one of these eleven configurations depending on the filter config bits and values of K1 and K2:
My suggestion for revamping the filter controls is that instead of offering low-level controls for the filter settings, we offer:
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