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Old 10-21-2021, 10:12 AM   #1
JonnyDee
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Default Re: Routing an external audio feed directly into Reaper

Hi all,

I've been pre-recording a Podcast Show for a while now and I have a specific question about using Reaper to do this directly.

I co-present and we're at different locations, so currently use a 3rd Party App to create a virtual studio. So what we get is a stereo WAV file panned hard left & right with one of us on each side. I then explode that into two mono channels.

Does anyone know of a way to route the signal we get from the 3rd party App into Reaper in real time, so we can record the audio feed directly without having to first bounce it down and process it?

Hope this question makes sense.

By the way. Reaper is an amazing piece of kit. Hats off to all concerned, and without Mr Gioia's brilliant tutorials I'd still be a hopeless wreck, just randomly stabbing at buttons in the vague hope that something constructive might happen.
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Old 10-21-2021, 10:24 AM   #2
serr
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Install a virtual audio device app like Soundflower, Blackhole, Loopback, etc.
This acts like a virtual audio interface.
Set OS output to the virtual device instead of your interface normally used for output.
Make an aggregate device of your audio interface normally used for output + the virtual device with your OS audio utility app. Select the aggregate device in Reaper instead of one of the individual devices by itself.

Result is the audio coming in the virtual device channels. Process as you please. Output to your normal device. Reaper will see the I/O of all devices in the aggregate.
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Old 10-21-2021, 11:15 AM   #3
JonnyDee
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Quote:
Originally Posted by serr View Post
Install a virtual audio device app like Soundflower, Blackhole, Loopback, etc.
This acts like a virtual audio interface.
Set OS output to the virtual device instead of your interface normally used for output.
Make an aggregate device of your audio interface normally used for output + the virtual device with your OS audio utility app. Select the aggregate device in Reaper instead of one of the individual devices by itself.

Result is the audio coming in the virtual device channels. Process as you please. Output to your normal device. Reaper will see the I/O of all devices in the aggregate.
Thanks, serr

By OS do you mean operating system? (in my case Windows 10)

Many thanks again.
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Old 10-21-2021, 11:31 AM   #4
serr
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Yeah. ASIO in Windows or Audio MIDI Setup in OSX.

There are alternate methods too.
Your audio interface might have a return bus. That can be used instead.
There are audio over network solutions like Dante.
And some apps have unique features to allow routing to multiple connected audio interfaces outside of the standard aggregate device config. (Reaper has this as well. Says "not recommended" next to it.)

Caveats exist. Multiple digital devices all need to sync to the same sample rate clock. Virtual devices can thus be squirrely sometimes. Some interfaces don't play nice together regardless of following the rules. I'm told Windows is more limited with this.
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Old 10-21-2021, 11:54 AM   #5
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That's really helpful. Many thanks.
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Old 10-22-2021, 12:58 AM   #6
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Note that there are no aggregate device options natively in Windows.

You might want to take a look at the VB audio stuff. Should be able to do what you need.

https://vb-audio.com/Voicemeeter/index.htm
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Old 10-23-2021, 11:12 AM   #7
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Quote:
Originally Posted by Stella645 View Post
Note that there are no aggregate device options natively in Windows.

You might want to take a look at the VB audio stuff. Should be able to do what you need.

https://vb-audio.com/Voicemeeter/index.htm
Thanks Stella645. Am struggling still.

I have a problem if I change Reaper's input source to the VAC, then I lose my mic on this side of the set-up.

Guess I need some other kind of interface (hopefully digital) that would allow both signals to be processed by Reaper simultaneously.

I'll check the links out.
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Old 10-26-2021, 07:25 AM   #8
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Use Voicemeeter not VAC.
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