Shift + P = Play / Pause
Shift + V = Volume Control
Shift + S = Playback Speed Options
Shift + B = Toggle Background Music

Shift + Right Arrow = Go Forward 10 Seconds
Shift + Back Arrow = Go Back 10 Seconds
Shift + Up Arrow = Go to Next Unit
Shift + Down Arrow = Go to Previous Unit
Shift + W = Open player in a New Window