Ecamm's Audio Filter feature supports a wide array of third-party audio plugins, which can be added to the folder at:
Macintosh HD/Library/Audio/Plug-Ins/Components
Some newly installed components may result in this error message due to Apple's Gatekeeper security feature:
To remove the plug-in from Gatekeeper's quarantine, follow these steps:
Click the Show in Finder button in the message above to reveal the Components folder.
Right-click or control-click on the component file, and pick Open. Another message will be displayed:
3. Click Choose Application..., and pick Music.app.
4. Quit Music.app.
5. Quit and re-open the Ecamm Live app. A new message will appear:
6. Click Open. The plug-in will now load.