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Mountain Lion - Airplay, no audio - Apple Community
https://discussions.apple.com/thread/4142302
Question: Q: Mountain Lion - Airplay, no audio. I have a 2nd gen Apple TV, and Late 2011 Macbook Pro. Airplay works fine, but when I watch a video or play music the audio comes out of my laptop, not my TV. I checked the audio settings and Airplay is listed as an output device, but you can't click on it. ...
AirPlay audio streaming on Mountain Lion - Joris Kluivers
https://joris.kluivers.nl/blog/2012/07/25/per-application-airplay-in-mountain-lion/
AirPlay Audio Streaming on Mountain Lion. Jul 25th, 2012. One of Mountain Lions big features is AirPlay mirroring to send your OS X desktop to a big screen tv. However there is nothing in the press materials on streaming audio only. Something all apps on iOS devices have been able to do for a while now, but was limited to iTunes on OS X Lion and earlier.
Playing with AirPlay in Mountain Lion - TidBITS
https://tidbits.com/2012/10/22/playing-with-airplay-in-mountain-lion/
With the release of OS X 10.8 Mountain Lion, Apple has brought AirPlay Mirroring to the Mac, enabling you to output audio or video via AirPlay from sources other than iTunes. Specifically, you can now make AirPlay your default sound output destination for system audio and send your entire screen to an Apple TV.
Up close with Mountain Lion: AirPlay Mirroring
https://www.macworld.com/article/218614/up_close_with_mountain_lion_airplay_mirroring.html
AirPlay Mirroring has long let you mirror the screen of an iPhone or iPad on an Apple TV. Now, in Mountain Lion, it's come to the Mac. Dan Frakes takes a look.
Does AirPlay in the Mountain Lion preview stream system ...
https://www.quora.com/Does-AirPlay-in-the-Mountain-Lion-preview-stream-system-audio-to-non-Apple-TV-devices
This redirects the entire system sound system, so incoming mail/chat notifications will also be heard over the speakers this way. Go to: System Preferences -> Sound -> Output. And select your AirPlay system as the desired device for sound output. [edit] Mountain Lion also contains new API's in the CoreAudio framework to support AirPlay streaming.
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