+ void update_channel_name(Mixer::Output output);
+ void gain_staging_knob_changed(int value);
+ void final_makeup_gain_knob_changed(int value);
+ void cutoff_knob_changed(int value);
+ void limiter_threshold_knob_changed(int value);
+ void compressor_threshold_knob_changed(int value);
+ void reset_meters_button_clicked();