IndieUI Media Play/Pause Request Example (Text-to-Speech)

You should be able to play and pause a text-to-speech sample using all of the following physical events (a.k.a. modality-specific events):

Click either "Play" button with a mouse.
One touchscreen systems, tap either "Play" button.
On desktop systems, press the keyboard play/pause key.
On desktop systems, Tab to either "Play" button and press Spacebar (OS X) or Enter (Windows and maybe Linux?)...
On mobile systems, click the headphone remote once.
On OS X, click the headphone remote once. Note: Some other desktop systems may support this, too.
With VoiceOver on iOS, perform a two-finger double-tap gesture.
More...?

Play