639 Hz sound effects

Free CC0 639-hz sound effects for games, apps, videos, and podcasts. 1 sound.

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Most downloaded 639-hz sounds

Binaural Meditation Tones
Experimental binaural beats mix with singing bowls and chimes·639-hz, audacity
6:00

Related

audacity14experimental482

Lots of Sounds API

Get 639-hz sounds from code

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curl
curl -G https://api.lotsofsounds.com/api/v1/sounds \
  -H "x-api-key: $LOS_API_KEY" \
  --data-urlencode "tags=639-hz" \
  --data-urlencode "limit=10"

Questions

What are 639 hz sounds used for?
639 Hz sounds are commonly used in apps, games, videos, podcasts, and interactive media projects.
Can I use these sounds commercially?
Yes. Every sound is CC0: free for personal and commercial use, with no attribution required. A credit link to lotsofsounds.com is appreciated but optional.
How do I download a sound?
Open any sound to preview it for free. Sign in to a Lots of Sounds account to download MP3 files.

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