Recording the computer's sound

Cilevi records what your computer is playing, alongside whatever your microphone hears. The music in a video you are demonstrating, the notification sound, the click of a web app: all of it is captured.

It is taken from the audio device itself rather than from a microphone pointed at a speaker, so it is clean and it stays clean whether or not your speakers are turned up. You can record system sound with the volume all the way down and still get it.

Two tracks, not one

The microphone and the system sound arrive in the editor as two separate tracks, named Microphone and System Audio. This matters more than it sounds.

It means you can turn the music down under your voice without touching your voice. It means you can mute the computer entirely and keep only the narration. It means the silence removal can look at what you said rather than at a background hum, and it means a loudness match applied to your voice does not drag a notification sound up with it.

If you do not want it

There is nothing to turn off at record time: the sound is captured and you decide later. Mute or delete the System Audio track in the editor and nothing from it reaches the export.

The one thing to check before a take

Turn off notifications. Windows Focus assist, or Do not disturb, will stop a message chime arriving in the middle of a sentence. Cilevi captures faithfully, which includes capturing the thing you wish had not happened.