BlackHole is a modern macOS virtual audio driver that allows applications to pass audio to other applications with zero additional latency. While for Mac users, they will always be informed of an error message " The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance." It is because of Apple Provicy Policy which only valifies and allows identified developer's softwares to be installed.
Click Here to download BlackHole.
Please refer to the following insturctions:
1. Go System Preferences -> Security and Privacy -> General -> under Allow From Anywhere, enable MATT INGALLS system software.
2. Install BlackHole.
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