: Open the Sound Siphon interface and click to create a New Custom Input .
: It can mix application audio into a stereo stream or capture each app on its own discrete channel. Setup and Installation Guide Sound Siphon 3.4.2
: On macOS 14 and earlier, Sound Siphon requires a System Extension . To install this, you may need to boot into Recovery mode to grant permission for the extension to load. : Open the Sound Siphon interface and click
: For newer systems, it can capture system audio without components, though a plugin is still required to create the virtual input devices used by other apps. To install this, you may need to boot
: Use the Sound Siphon Audio Unit to route browser or video call audio directly into tracks in Logic Pro or Ableton Live .
: Beyond routing, the app can record directly to formats such as AIFF, WAV, FLAC, and M4A.