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Macbook Pro how to send ALL audio output to USB interface?

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Macbook Pro how to send ALL audio output to USB interface?

Postby Dr Huge Longjohns » Sun Jan 12, 2020 12:44 pm

Currently my Logic X outputs to my Focusrite interface via USB but all other audio goes via the headphone out. How do I send ALL audio ie from ITunes, browsers etc to the interface?

When I open Sounds preferences only the headphone port and my monitor show as available output. (The interface doesn't show as an input option either here.)
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Re: Macbook Pro how to send ALL audio output to USB interface?

Postby Kwackman » Sun Jan 12, 2020 12:56 pm

Dr Huge Longjohns wrote:When I open Sounds preferences only the headphone port and my monitor show as available output.)

I've just looked on my Mac (10.13.6) and my interface (not a Focusrite) shows up on the input, output and "Sound Effects" options.
Maybe worth reloading the Focusrite usb driver, if that's possible?
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Re: Macbook Pro how to send ALL audio output to USB interface?

Postby Dr Huge Longjohns » Sun Jan 12, 2020 1:05 pm

Remarkably, immediately after posting this I found a thread that sorted it. You switch off your interface while it's connected and then switch it back on again. It then miraculously appears in the Sound output window. WTF??? https://discussions.apple.com/thread/2240556
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Re: Macbook Pro how to send ALL audio output to USB interface?

Postby desmond » Sun Jan 12, 2020 1:32 pm

Any of my Mac interfaces have always shown up as the normal system audio prefs in/out options, for as long as I can remember owning a Mac... That's how the Core Audio system works - any sound devices the system knows about will be available as appropriate options in any dialog that lets you choose an audio device...
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Re: Macbook Pro how to send ALL audio output to USB interface?

Postby cyrano.mac » Mon Jan 20, 2020 10:04 pm

Some interfaces support "Direct DAW control" with some DAWs. I know Logic supports it, but not if the Focusrite does.

It allows you to set gain from within the DAW. At the same time, the interface might not show up in System preferences/Sound. It's exclusive to the DAW.
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Re: Macbook Pro how to send ALL audio output to USB interface?

Postby desmond » Mon Jan 20, 2020 11:38 pm

cyrano.mac wrote:Some interfaces support "Direct DAW control" with some DAWs. I know Logic supports it, but not if the Focusrite does.

It allows you to set gain from within the DAW. At the same time, the interface might not show up in System preferences/Sound. It's exclusive to the DAW.

No, it would still need to be a Core Audio interface to work in Logic, regardless of whether it's driver supports those direct access features. That's just how general audio interfaces work on the Mac.

Likely it was a refresh issue or some weird user thing that meant the core audio list wasn't being refreshed properly (and turning the interface off/on just forced this), some weird glitch like that.
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