state-variable filter

state-variable filter

[′stāt ‚ver·ē·ə·bəl ‚fil·tər]
(electronics)
A multiple-amplifier active filter that has three outputs for high-pass, band-pass, and low-pass transfer functions respectively. Also known as KHN filter.
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In addition, the source code for a fully functional stereo 2-band state-variable filter is provided that demonstrates the complete functionality of the user interface and the audio processing.

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