Filter updates #199
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Filter updates #199
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#198
This makes all biquad kinds very stable in presence of modulations.
For example,
brf2pwould easily have stability problems before. The new structure resolves this.It's a gain I introduced before to make SVF and Biquad match each other.
As it turned out, the SVF of Rapture don't bother to do this compensation, so I change it to conform.
Notes:
The
brf1pis still not much resistant to modulation, so it will need to rethink it.(or alias to
brf2p, the same as ARIA did)The SVF models also don't handle the modulation well at all, but I don't intent to tackle this problem soon.