Recording on MacOS

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Make recording on MacOS with both internal and external sounds for screen and audio.

This configuration summary is from this Youtube episode and credit to it :)

This configuration only works for Mac microphone and speaker and wire connected headphone, the bluetooth connected AirPod Max does not work =(

Please don’t use prior Soundflower(deprecated), ignore it and go to download BlackHole.

  1. Download and install BlackHole 2ch audio driver from its Github website here for MacOS.

Go to the download page, first you need to input your email and it will send you another downland link, choose the BlachHold 2ch and download/install it.

  1. On your Mac, open Audio MIDI Setup app, you can see the BlackHold 2ch is in the left bar. Then use + button to create a Aggregate Device, name it as Quicktime Player Input, check the BlackHold 2ch and External Microphone (Usually if I need to say something in recording, I will use external headphone, if not, please check the built-in MacBook Pro Microphone instead, don’t check both becuase that will generate big recording file!). Then select the Clock Source as BlackHold 2ch.

  2. Next, use + button to Create Multi-Output Device, name it as Screen Record w/Audio, check the BlackHold 2ch and External Headphones (If no headphone is used, check the MacBook Pro Speakers instead). Then select the Clock Source as BlackHold 2ch.

  3. In the Audio MIDI Setup left bar, set the MacBook Pro and External Microphone both to the highest value, otherwise the sounds will be small in the recording.

  4. Open system perference Sound, in Output select Screen Record w/Audio, in Input section, select External Microphone if you are using headphone etc.

  5. Now we are all set, using command + shift + 5 as shortcut to launch the screen recording, in the Options select Quicktime Player Input, that’s it. If you only want to record internal sounds, select BlackHold 2ch is enough.

  6. After recording, please revert the Output in Sound app.

NOTE: Audio recording is the same, just replace step 6 with audio launch.

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