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Digital audio-in passthrough with AppleTV2 Other Hardware
I have an Apple TV2 hooked up to a DVI monitor by HDMI, an arrangement which doesn't support audio.

As the Apple TV2 also has SPDIF optical out, I connected this into my 2011 iMac's optical input so I could hear the ATV sound from the Mac. Looking at the sound input in System Preferences, I could see the connection was working, but I heard nothing from the iMac speakers, even though they were chosen for output. Then it dawned on me that the iMac likely didn't support audio passthrough.

I recalled that QuickTime Player could record audio from an input. So in QT I chose New Audio Recording, chose 'Digital in' as the input, and then slid the volume slider so I could monitor the audio. Works like a treat. There's no need to actually record anything in QuickTime Player.

[crarko adds: A clever solution. I have my Apple TV2 hooked up using the standard HDMI setup, so I did not test this.]
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Digital audio-in passthrough with AppleTV2
Authored by: Obi on Feb 02, '12 07:54:35AM

Hmm...does LineIn do this also?

http://rogueamoeba.com/freebies/



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Digital audio-in passthrough with AppleTV2
Authored by: gresmi on Feb 02, '12 08:26:46AM
You can also use the free Rogue Amoeba utility "LineIn" to do audio Pass through of any input: http://www.rogueamoeba.com/freebies/

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Digital audio-in passthrough with AppleTV2
Authored by: TheCase on Feb 02, '12 09:10:20AM
Even easier, download Line-In (free) from Rogue Amoeba

http://www.rogueamoeba.com/freebies/

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Digital audio-in passthrough with AppleTV2
Authored by: wallybear on Feb 02, '12 01:58:26PM

Even better, buy a couple of amplified speakers and save energy.



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