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Filter Rolloff Visualization
Filter Rolloff Visualization
Explore how cutoff frequency, rolloff rate, filter type, and resonance affect the filter response
Interactive
Compare Rolloff
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Cutoff Frequency
20Hz
200Hz
2kHz
20kHz
1.0kHz
Rolloff Rate
6dB/oct
1-pole
12dB/oct
2-pole
18dB/oct
3-pole
24dB/oct
4-pole
48dB/oct
8-pole
Filter Type
Low Pass - Passes frequencies below cutoff
High Pass - Passes frequencies above cutoff
Band Pass - Passes frequencies around cutoff
Notch - Removes frequencies around cutoff
Resonance (Q): 0 dB
None
Moderate
Self-oscillation
Vertical dashed line = cutoff frequency | Red line = -3dB point (half power)