- expected, quiet, simple sounds
- gentle, rhythmic sounds
- melodic or sing-song sounds
- predictable background noise
- noise reduction headphones, ear plugs
- listening to classical music
- soft singing or humming, play musical instrument
- nature sounds (babbling brook, ocean waves, gentle rain, birds singing)
- Therapeutic Listening programs
- steady low drumming, heartbeat
- cat purring
- silence
- white noise machine
- fan, dishwasher, steady train or traffic in distance