You will use the AutoSync process although it won’t be automatic. As others have mentioned you have already identified the common “sync” point via a Mark In point. All clips have to be in the same bin in order to work. Based on your naming convention, sorting on the “name” column will pair the clips together in ascending order.
- Highlight any pair of clips to sync
- select “Autosync
- Select options (Mark in), and whether you want to keep any audio that might exist on video, and what tracks you want to keep from the audio-only clip from the audio-only clip. This depends on your workflow preferences.
- Click OK
- A new subclip with video clip name + .sync will appear in the bin
Others have references subframe syncing. This is the ability to tighten the sync in 1/4 frame increments and is referred to as perf based syncing. But you need to be in a 35mm film project and all audio needs to be imported, not linked for this to work.
In other project types you can slip sync via source settings but is tedious and has some limitations.
Michael