How to Measure AV Sync Error

There are two approaches to measuring AV sync error:

See Measurement Examples and Acceptable Audio Latency and AV Sync Error for more information on AV sync error.

Measuring AV Sync Error of Sink Device(s)

AV Sync Error Calculator

Recommended Method for Sink Device(s)

Murideo Seven Generator

Murideo 8K Seven Generator. Image taken from the Murideo product page:

⚠️ Inaccurate by -17 to +3 ms, depending on video refresh rate.
⚠️ For accurate AV sync error calculation: follow video latency and audio latency measurement instructions and then use the AV Sync Error Calculator.

Measuring AV Sync Error of a Full AV Setup (Source, Transport, and Sink)

Harkwood Sync-One2

Image of Sync-One2 Copyright © 2022 Harkwood Services Ltd. Image taken from Sync-One2 website

Recommended Method for a Full AV Setup (Source, Transport, and Sink)

Last updated on March 6th, 2023.