# Video Recording

## MacOS Desktop Audio Capture

In order to capture desktop audio on macOS, you will require additional software. We recommend BlackHole for its popularity among OBS users.

### BlackHole

BlackHole by existential audio can be used to record macOS desktop audio. It must be set up manually does not support per-application audio capture.

1. [Download BlackHole 16ch](https://existential.audio/blackhole/) and run the installer
2. After you have installed BlackHole 16ch, open the Audio MIDI Setup application

   <div align="left"><figure><img src="https://272708523-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Lj4VxGQwhiRJu4KJkWZ%2Fuploads%2FEhIsZRwQWUYYXwOT9AAP%2Fimage.png?alt=media&#x26;token=c83fb05c-1f61-4bb7-b0eb-15dade556901" alt=""><figcaption></figcaption></figure></div>
3. Click on the + button at the lower-left of the window, and then "Create Multi-Output Device"

   ![](https://272708523-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Lj4VxGQwhiRJu4KJkWZ%2Fuploads%2FN0wyL4vJ0l5VfY680Rmz%2Fimage.png?alt=media\&token=7604bb82-993c-4f2f-8525-3438eb0fc900)
4. **Uncheck** BlackHole 16ch in the list to the right. Check **one** device from which you want to hear audio.

   ![](https://272708523-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Lj4VxGQwhiRJu4KJkWZ%2Fuploads%2FwwPct36B1RvsUkqTeEW1%2Fimage.png?alt=media\&token=3771dc60-8b9a-4b7a-a512-60a839f944e0)
5. **Re-check** BlackHole 16ch. Make sure the device you selected in step 5 is set as the Master Device at the top of the window. Close Audio MIDI Setup

   ![](https://272708523-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Lj4VxGQwhiRJu4KJkWZ%2Fuploads%2FxCKvGMsWgjt63oJ9scUs%2Fimage.png?alt=media\&token=27f712b0-4cc0-442a-a618-ab4850a109b0)
6. In System Preferences, click on Sound

   ![](https://272708523-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Lj4VxGQwhiRJu4KJkWZ%2Fuploads%2FLgGy6SOLSsPbZzwNUI21%2Fimage.png?alt=media\&token=34cb1fcd-3ab3-4259-8d37-15ca90d3f172)
7. Click on Output, then click on the Multi-Output Device you created![](https://272708523-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Lj4VxGQwhiRJu4KJkWZ%2Fuploads%2FGoosKYAyVmDXCTnX8dR0%2Fimage.png?alt=media\&token=cce98afd-41b6-41e7-ba61-f7d330e4964f)
8. In Hologram Studio view, ensure audio option is set as "Microphone"<img src="https://272708523-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Lj4VxGQwhiRJu4KJkWZ%2Fuploads%2Fa4Wnn3AiUQcefGxnRWIP%2FScreenshot%202022-12-14%20at%2010.03.03%20AM.png?alt=media&#x26;token=defe186c-01ea-4af6-b1bd-3deb992cc096" alt="" data-size="original">
9. In Hologram Settings window, change the audio input device to BlackHole 16ch![](https://272708523-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Lj4VxGQwhiRJu4KJkWZ%2Fuploads%2FwXwAfjv0ATxzskNkz3jV%2FScreenshot%202022-12-14%20at%2010.04.43%20AM.png?alt=media\&token=287fa2a4-0e48-4eb8-8563-f602f92385e2)


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