# Filter nodes

> Nodes in the Filter category.

Source: https://docs.tune.toys/nodes/category/filter/

- Crossover (std.crossover): Splits audio into 2–4 Linkwitz-Riley bands, output as one band-major bundle whose bands sum back flat.
- Feedback suppressor (std.suppressor): Feedback suppressor: tracks howling tones and places up to eight narrow time-domain notches on them, with no added latency.
- Filter (std.svf): Low-pass, high-pass, band-pass, notch, all-pass or morphing filter with resonance, 12/24 dB slopes, curve editing and output RTA.
- Low-pass filter (std.lowpass): A gentle one-pole filter for warmer edges.
- Parametric EQ (std.eq): Parametric EQ with up to 32 reorderable RBJ bands: cuts, shelves, bells and notches, per-band bypass and output trim.