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All replies
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Helpful answers
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Aug 29, 2011 4:54 PM in response to zackattack96by X423424X,Do both sets of outputs show up in the Sound preferences? If so you probably could use Audio Midi Setup to create an aggregate output device.
Even if it works you could probably do better with a decent set of external speakers.
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Aug 30, 2011 1:20 AM in response to X423424Xby zackattack96,Yes, they do. And yes, I had considered that, but that won't be for the forseeable future anyway. Where do I get Audio Midi Setup from?
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Aug 30, 2011 1:26 AM in response to zackattack96by X423424X,It's in your /Applications/Utilities folder.
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Aug 30, 2011 3:20 AM in response to X423424Xby zackattack96,Thanks very much for this – that's worked, but it's only a 90% job. Once I've created the aggregate output device, System Preferences won't let me adjust the volume for it. It just greys out the volume slider and, where the balance adjustment would normally be, it just tells me there's no controls for this device. How do I rectify this?
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Sep 9, 2011 6:54 PM in response to zackattack96by brad hilton,this is very easy to do.
open 'audio midi setup' in utilities.
click the plus in the lower left and add new aggregate device
check both display audio's
hit configure speakers in the lower right
check both checkboxes at top.
choose mutichannel & quadraphonic.
then you can click each one and test the sound.
hit apply and done
then right click on the aggregate device listed in the left you just created, click on use this device for sound output and player alerts and sound effects through this device
I had to configure levels on my displays, they were set differently.
You can play with this (which i recommend) but clickin the triangle next to the aggregate device
click on the the first display audio and then on top click output and choose your levels.
do the same for the second display audio.
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Oct 22, 2011 4:02 PM in response to brad hiltonby Jon Mansey,strange the volume control is disabled for an aggregate output device...
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May 5, 2013 9:33 AM in response to zackattack96by CLCEE,I have 2 led 27" cinema displays. I would llike to have both speakers on the left display put out the left channel of the stereo sound, and both speakers of the right display put out the right channel of the stereo sound. No matter what I do, I can not get both displays ( 4 speakers) to output sound at the same time, much less separate the stereo sound. It seems that only one of the displays will be active for sound at a time. I wonder if there is any 3rd party software to accomplish this.
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May 12, 2013 12:30 AM in response to CLCEEby Brian Patrick Brown Fromme,There are several different devices that can control both devices. I'd have to see exactly what you were. Working with and what you needed. Most stuff can be ordered on line. Do u have a high def tv? Are you using cable or Apple TV? Have you thought of surround? All are viable and I've just started a small independant contracting company and would welcome the opportunity to. Meet with you and take a look at it. Also, if u had comcast, they offer on site tech repair to. Assist in networking. Either way would work. Let me know whet the budget is and what equipment you have already.
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Jun 11, 2016 3:36 PM in response to CLCEEby HaywardHull,Audio Hijack (http://rogueamoeba.com/audiohijack/) will do this and more, but it is currently $49. Frankly, it's disgraceful that you can't do this out-of-the-box via OSX on a nearly $1,000 Apple display that is over five years old.