If Im streaming a video on my macbook and I put that safari page full screen onto a second display, an apple TV hooked up to a tv to be specific, where would the sound emerge from? my macbook or TV? 
Also, say I have another stream open on the macbook itself, would that sound emerge from the same source as the other display? or is there a way to get each full screen app to output their sound from different sources?
Edit: Im on Mountain Lion and am questioning the capabilities of Mavericks' multiple display feature.
	
		
			
		
		
	
				
			Also, say I have another stream open on the macbook itself, would that sound emerge from the same source as the other display? or is there a way to get each full screen app to output their sound from different sources?
Edit: Im on Mountain Lion and am questioning the capabilities of Mavericks' multiple display feature.
			
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