Node-RED node to play audio from a raw audio buffer.
Works well together with the Watson Text to Speech node, using the WAV audio format.
It can also perform Text to Speech on strings if your browser has that capability.
Browser support for Web Audio API.
Run the following command in your Node-RED user directory - typically
npm install node-red-contrib-play-audio
The easiest method to install on Bluemix is to fork the starter code
and insert "node-red-contrib-play-audio" as a dependency in