{
  lib,
  writeText,
  rnnoise-plugin,
  noiseFilterStrength,
}:

writeText "pipewire-noise-filter.conf" ''
  # Noise canceling source
  #
  # start with pipewire -c filter-chain/source-rnnoise.conf
  #
  context.properties = {
      log.level        = 3
  }

  context.spa-libs = {
      audio.convert.* = audioconvert/libspa-audioconvert
      support.*       = support/libspa-support
  }

  context.modules = [
      {   name = libpipewire-module-rtkit
          args = {
              nice.level   = -11
          }
          flags = [ ifexists nofail ]
      }
      {   name = libpipewire-module-protocol-native }
      {   name = libpipewire-module-client-node }
      {   name = libpipewire-module-adapter }

      {   name = libpipewire-module-filter-chain
          args = {
              node.name =  "rnnoise_source"
              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_stereo
                          control = {
                              "VAD Threshold (%)" = ${toString noiseFilterStrength}
                              "VAD Grace Period (ms)" = 200
                              "Retroactive VAD Grace (ms)" = 0
                          }
                      }
                  ]
              }
              capture.props = {
                  node.name =  "capture.rnnoise_source"
                  node.passive = true
                  audio.rate = 48000
              }
              playback.props = {
                  node.name = "rnnoise_source.output"
                  media.class = Audio/Source
                  node.virtual = false
                  audio.rate = 48000
              }
          }
      }
  ]''