The document outlines the features and usage of an OBS audio syncing tool that operates with high precision for syncing audio and video. Users must record the syncing video using the same equipment before analyzing the audio delay in editing software. Finally, the document provides guidance on applying the determined audio delay in OBS settings.

1. OBS Audio Syncing Tool

2. Using the Audio Video
Sync Test
The tool features a scale accurate to
one thousandth of a millisecond. This
scale start at 1.000 seconds and end at
0 seconds when an audio click will play.
For ease of use, a color coded scale of
time is available at the bottom bar of the
video.

3. Recording Process
In order to use this video as a tool to sync up
your video and audio you will need to create a
recording of this video with the system you
are testing. Make sure to use the exact same
camera, microphone and software
combination together.
Once the video has been recorded we can
analyse it in a video editing software.

4. Determining the Audio
Delay
Using the video recording you can scrub
through the video looking for your audio
blips. Generally, the audio will be
recorded faster than the video.
Therefore you can use the audio sync
reading as a guide to adjusting your
system.

6. Adding the Audio Delay
Once you have determined the amount
of audio delay your system will require
it’s time to apply that audio delay in
OBS.
You can open up the Advanced Audio
Properties in OBS by clicking the
settings cog next in the audio section
of OBS.

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