Quote:
Originally Posted by Jimmy Stang
Airplay question: Suppose I'd like to stream a video from the internet to my Apple TV via Airplay with my iPad being the middle man. Does the full video stream come to my iPad and then get beamed back to the Apple TV? Or is it somehow redirected to the Apple TV to save on battery, network resources, etc.?
The reason I ask is because it doesn't really seem to use up as much juice as I would expect it to. I have listened to about 30 minutes of radio and watched about 30 minutes of a documentary, and I have only used 4% of the battery. Seems too good to be true.
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It's not a pass through/hand-off technology - that's why non-iOS airplay compatible devices work (like the airport express, various speaker systems, etc) - they just have to be able to handle a few simple data stream types. It also means you can use streams that are encrypted or require login (eg. MLB at Bat, NHL GC Live, etc) - the iPad does all the heavy lifting to get you connected, and then the airplay device just handles the display output.
With the screen off, you can expect the iPad to be able to stream for a really long time - the screen is the single largest source of power consumption on the device.