A/V Sync Tester

Real-time audio/visual synchronisation testing with precision timing measurement

Settings

Frame Rate

Display Mode

Audio Offset (ms)

Turn your volume up — silent mode will mute the beep

Latency Measurement

Tap exactly when you see the flash AND hear the beep. Positive = you tapped late (audio delayed). Negative = early.

Last Tap

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Average

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Taps

Range

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