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Compare how softly you detect browser-generated tones across six frequencies.
Press SPACE or click
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After confirming a low, comfortable device volume, listen to six generated tones. Answer Yes or No while the challenge adjusts each tone level.
Y / N or Click
Mouse and touch input also work.
Metric
average relative level
Difficulty
Easy
Use the same device and similar conditions when comparing runs. Your saved personal best and repeated results show your own trend; public leaderboard entries provide current competition context, not a population benchmark.
Relative tone audibility in your current browser, device, headphones, and room. Lower relative levels mean you detected softer generated tones within this setup.
After confirming a low, comfortable device volume, listen to six generated tones. Answer Yes or No while the challenge adjusts each tone level.
Repeating the challenge with the same setup can help you compare your own runs. It does not assess hearing health.
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Tone Audibility | Free Online Cognitive Test by BrainRivals