A
local playback device might have extra outputs, like an
- external display or speakers/headphones. As long as the switch of
+ external display or speakers/headphones, or a Picture-in-Picture
+ window [[Picture-in-Picture]]. As long as the switch of
what output to use happens outside of the user agent on the
system level, the playback is considered to happen on a
local
playback device for the purpose of this spec.