What causes sync drift?
Sync drift is generally caused by audio sample rates that don’t properly match the audio settings in the sequence.
Why is my video faster than my audio?
The most common reason audio and video gets out of sync is due to audio processing speed. Audio often processes a lot faster than video, particularly when it comes to 4K videos. High-resolution video files take up a lot of space, and as a result it can take longer to process a video signal than an audio signal.
What to do when audio starts to drift?
It’s generally good practice to always clap or use a slate when recording audio to an external source. As you zoom out from the timeline, you will see where the audio sync starts to drift. Navigate to the end of the clean, externally recorded audio and grab the top right that shows the Stretch Tool.
How to fix audio sync drift in Adobe Photoshop?
Navigate to the end of the clean, externally recorded audio and grab the top right that shows the Stretch Tool. While holding the mouse down and using the waveforms as a guide, move the track left and right to adjust the speed of the clip until it is in sync with the scratch audio track beneath it.
What’s the best way to sync audio in a video?
The example in the video uses claps in the waveform to identify sync points, but you can use any identifying, preferably loud, noise as a syncing point at the beginning of the track. It’s generally good practice to always clap or use a slate when recording audio to an external source.
Why is my audio not syncing with my video?
Have you ever filmed for a long period of time continuously without cutting, maybe for a guest speaker at a conference or event, and used a separate device to record audio only to have syncing issues in post because one of the recorded audio tracks is a slightly different speed from the other? If not, congratulations you are one of the lucky ones.