Found the nice signal flow diagram at the top of this ardour manual page for tracks and busses interesting https://manual.ardour.org/signal-routing/signal-flow/ and was wondering if anyone has done one for the monitoring section somewhere. I’m specifically trying to figure out where the Mono button is engaged in the signal flow but would like to know the rest as well.
All monitor options (mute, dim, solo, polarity invert, gain) all happens at the blue monitor processor. Signal flow is
input → optional user-added plugins → monitor → optional user added plugins → output.
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Above is a mild lie, internally there is a hidden dedicated monitor-processor which is always before the blue fader processor. So even if you bypass/disable the gain stage, all other settings (mute, dim, …) still apply.
Thank you for such a quick and detailed answer. Very much appreciated.