2017-07-07, 06:37 PM
Note that there are two different text to speech nodes - one for the dashboard and one for ... well not the dashboard 
I haven't tried out the differences but I believe that if only the dashboard is open and your text to speech node is not the dashboard version, you will not get a sound output.

I haven't tried out the differences but I believe that if only the dashboard is open and your text to speech node is not the dashboard version, you will not get a sound output.