REACTION LAB
Audio reaction test

SOUND REACTION

Wait for the beep, then press, click or tap as quickly as you can. Five rounds are averaged. Audio output latency varies by device, so compare results on the same setup.
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A random silent delay comes before each beep. React only after you hear it.
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RESULT

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How it works

The timer starts when the browser requests the beep. Your speakers, Bluetooth connection, audio driver and operating system can add delay, so Sound Reaction is best used as a repeatable personal benchmark rather than a laboratory auditory reaction measurement.