On MacOS High Sierra 10.13.6, I want to output two separate Chrome browser tab applications to two separate devices from my single macbook pro.
1) Chrome tab 1: browser game –> outputs to headphones
2) Chrome tab 2: youtube video –> outputs to HDMI-connected TV audio
I'm struggling to set this up in AudioMIDI setup.
To set up the input, which is the logitech headset microhpone, I set the aggregate device as input:
And the display port (TV via HDMI) and Headset as output in the Multi-output Device:
The problem is, the same audio streams are aggregated from all sources (youtube video, and browser game) to output to both the TV and headset.
What I need is two separate audio streams going to two separate devices.
Best Answer
I wrote all this before realising you want two routings from one app - that's not going to be possible. I'll leave this here for future searchers.
There are only two apps I know can do this, both by the same company, Rogue Amoeba.
The cheaper & simpler one is SoundSource - $35. There is a more complex/expensive one which can also record any sound source to disk as well, called Audio Hijack - $70.
SoundSource can do all you asked & more.
There is a late third - Boom2 & the newer Boom3D - but it's a notorious crasher & speaker destroyer unless you switch off everything except the routing [judging by the many questions we've seen in here about it. I've never tried it personally].