# PipeWire noise cancellation configuration for kiosk microphone
# This creates a virtual source with echo cancellation and noise suppression

context.modules = [
    {   name = libpipewire-module-echo-cancel
        args = {
            # audio.channels = 1
            # capture.props = {
            #     node.name = "Echo Cancellation Capture"
            # }
            # source.props = {
            #     node.name = "Echo Cancellation Source"
            #     node.description = "Noise-Cancelled Microphone"
            # }
            # sink.props = {
            #     node.name = "Echo Cancellation Sink"
            # }
            # playback.props = {
            #     node.name = "Echo Cancellation Playback"
            # }
            aec.method = webrtc
            aec.args = {
                # WebRTC audio processing settings
                webrtc.gain_control = true
                webrtc.extended_filter = true
                webrtc.high_pass_filter = true
                webrtc.noise_suppression = true
                webrtc.noise_suppression_level = 3
                webrtc.voice_detection = true
            }
        }
    }
]