Some Audio Apps Will Not Recognize Inputs Beyond 1 and 2

Some Audio Apps Will Not Recognize Inputs Beyond 1 and 2

Recently I attempted to record a session with a guest and we couldn’t get his audio to come through Zencastr or Squadcast. He said he saw level in his computer, but I couldn’t hear him.

He was using a Zoom L-12 recorder/interface and he saw level there, too.

To make a long troubleshooting story short:

Even though the L-12 is a multitrack device, only the first 2 inputs of the L-12 are recognized by Chrome (for Zencastr and Squadcast). And his microphone had been plugged into channel 7 of his L-12.

Yeah.

So if he plugged his microphone into channel 1 or 2 of the L-12 I would have been able to hear him fine.

Moral of the story: If you have an interface with more than 2 inputs, some audio apps will not recognize any inputs except 1 and 2.

A workaround on a Mac is to use Rogue Amoeba’s Loopback app to create a virtual instrument to group together all the inputs from your interface, and then you can feed them all to whatever app you want to use.

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2 Responses

  1. This is all true. I covered both the problem —and a similar solution, using a competitive app to Loopback. Most often, I create a mono virtual source to feed Chrome (or other app) for several reasons, but in rare cases, I send stereo. Here are the two links:

    https://beyondpodcasting.com/unleash-spreaker-studios-hidden-power/ (Where I discussed the problem and solution with Rob Greenlee.)

    https://www.provideocoalition.com/unleash-spreaker-studios-hidden-power/ (the associated, more detailed article).

  2. I use a ‘jumper’ cable from headphone E to input 1, mute channel 1, leave channel 2 empty, and configure E to accept all other inputs. This works great for OBS (and SLOBS), Chrome, and other applications. This also still allows me to use my DAW (Audition) at full capacity recording each channel separately. Additionally, I set 9/10 and 11/12 as mix-minuses for dual Skype, have my systm sound out from my sound card to input 5, my main microphone going to input 3, and leave 4, 6, 7, and 8 for in-studio guest mics as needed.

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