AV Latency.com

AV Latency.com provides free resources for reviewers to cheaply and accurately report audio/video latency, input lag, and lip sync error of consumer electronics.

🚧 Under Construction 🚧

Stumbled here through a web search? I started putting this website together on June 14, 2021. Give me a month or two and I should have most of the content finished. 🙂

Introduction

There are many latency factors that accumulate to result in a delay, or lag, between a physical input action and the final resulting sound and light output. In the case of a home video game console, most of this latency is entirely outside of the consumer’s control and only the “sink device” latency can be reduced or controlled by the consumer’s choice of display or sound system. This sink device latency is the focus of this website, rather than the source device or transport interface.

🚧 [info graphic showing “source” (computer, video game console, etc.), “transport” (HDMI, DisplayPort, S/PDIF, Bluetooth), and “sink” (TV, sound bar, monitor, receiver). This graphic will have an outline around the “sink device” section to emphasize the focus of this website.]

This website focuses on consumer electronics technologies that are commonly used for home entertainment, video games, computer workstations, and esports. Professional technologies, such as those for music production or live performance, are not the focus of this website, but some of the terminology and test methods may still be useful.

Getting Started

Before jumping into latency measurements, give the Terminology page a quick read. If you’re interested in measuring audio latency, then Acceptable Audio Latency and Lip Sync Error is a good place to start.

About the Author

Allen Pestaluky is a video game developer who is most known for co-creating Keep Talking and Nobody Explodes. For many years he has had a passion for measuring latency and developing accessible methods for testing that anyone can use.