{ pkgs, ... }: let inherit (pkgs) rnnoise-plugin; in { xdg.configFile."pipewire/pipewire.conf.d/99-rnnoise.conf" = { text = builtins.toJSON { "context.modules" = [ { name = "libpipewire-module-filter-chain"; args = { "node.description" = "Noise Canceling source"; "media.name" = "Noise Canceling source"; "filter.graph" = { nodes = [ { type = "ladspa"; name = "rnnoise"; plugin = "${rnnoise-plugin}/lib/ladspa/librnnoise_ladspa.so"; label = "noise_suppressor_mono"; control = { "VAD Threshold (%)" = 80.0; "VAD Grace Period (ms)" = 200; "Retroactive VAD Grace (ms)" = 0; }; } ]; }; "audio.position" = [ "FL" "FR" ]; "capture.props" = { "node.name" = "effect_input.rnnoise"; "node.passive" = true; "target.object" = "alsa_input.usb-audio-technica____AT2020_USB-00.analog-stereo"; "audio.rate" = 48000; }; "playback.props" = { "node.name" = "effect_output.rnnoise"; "media.class" = "Audio/Source"; "audio.rate" = 48000; }; }; } ]; }; }; }