Audio Latency Test

Check audio timing and beat synchronization

Ready to test
100 BPM

Ready when you are

Beat 0

Listen to each beat, then tap the button on the right in time.

Tap Along With the Beat

You can also press the Spacebar while the test is running.

Last Tap Offset
—ms
Average Timing Error
—ms
Modulo Between Beats
—ms
Detected Tap Tempo
—BPM

Recent Taps

Your tap history will appear here.

Test Results

Important: This tool measures how closely your taps match the generated beat. Results include human reaction time and tapping consistency, so they are not a direct measurement of headphone or Bluetooth audio latency. Browser audio information is displayed only when available.

What Is an Audio Latency Test?

An Audio Latency Test helps you check the timing and synchronization of audio on your device. Audio latency refers to the delay between an action and the sound you hear. It can affect headphones, speakers, microphones, music production, online gaming, and video calls.

How to Use the Audio Latency Test

Follow these simple steps to test your audio timing:

  1. Open the tool
  2. Set the BPM(beats per minute)-default: 100 BPM
  3. Start the test
  4. Press the tap button or use the spacebar to match the beat.
  5. Review your results:

Frequently Asked Questions (FAQ)

What does BPM mean in an audio latency test?

BPM stands for beats per minute. It describes the speed of a rhythm. For example, 120 BPM means 120 beats occur in one minute.

Why are my timing results different each time?

Your results can vary because of reaction time, concentration, rhythm familiarity, browser performance, and audio-device behavior. Try several tests to understand your typical timing accuracy.

Can I test audio latency online for free?

Yes, This tool is free.

Can I use this tool with headphones?

Yes. You can use wired or wireless headphones to listen to the beat and test how consistently you can tap along.