Installation and Registration
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Figure 9.6: Security
+
Privacy: “Allow MHLink Driver to load”
4. That's it. At this point the driver should load and your MIO will appear in CoreAudio. This approval
is persistent, so you should not have to do this again, unless you do a clean install of macOS.
Why can‘t I get audio input in my audio app on my new macOS 10.14 or 10.15 machine???
When you first start running audio to any audio program, Mojave puts up a dialog asking you if you want to
let the App access the “Microphone”. This was a new security measure added in Mojave (macOS 10.14),
is also present in Catalina (10.15).
You
must
grant permission. This is a one-time thing.
You might think, “But I dont wan‘t to use my computer‘s microphone”. And you would be correct. But:
Mojave treats all audio inputs on the system (including third-party interfaces) as “Microphones”. If you
don’t
grant permission
, the app will be able to connect to your audio device, but CoreAudio will zero out
all the samples before sending them to the app.
Oops...
You can fix this by going to System Preferences > Se Privacy > Privacy > Microphone. Check the
appropriate checkboxes to allow the appropriate Apps (specifically, in this case: MIOConsole3d) to access
audio from audio devices. You may need to do this for other audio applications if you accidently denied
access:
