What's it called · Sound 04
Audio fade in / out
One sound gradually gets louder or quieter to soften its entrance or ending.
Compare the gradual changes at the beginning and end of the same music.
Often confused with
- Crossfade: Two sounds overlap as one replaces the other
- Ducking: Music dips automatically only while someone speaks, then comes back
- Sound cut-out: Stops abruptly instead of gradually