When ever I edit videos I like to normalize the vocal audio clips to -3db, the way I do it is by just selecting all the audio clips (including ones where theres no talking and just background noise) since I have quite a lot of them , then normalizing, the problem with this is that it also raises the gain on those audio clips with no talking and only background noise, wondering if theres a way to automatically only normalize audio over a certain db threshold or a way to delete audio clips under a certain threshold? Thanks!!
Could you select the audio clips you want to normalize, press G (or Right-click > Audio Gain), and set the value next to Normalize All Peaks to the level you want to normalize to? Let us know how if this is what you're looking for.