What are other free alternatives to automatically remove silent parts in Vegas Pro, preferably free and without a free trial for a certain time that do it automatically?
The AI versions are all subscription payware that I've seen. Here's a non-AI command line python variant
https://github.com/WyattBlue/auto-editor
and this is an out of date command line windows version (no python needed)
https://github.com/petermg/auto-editor/releases
There was something I didn't like about the windows version, only used it a couple of times, have not used python version.
I use Resolve Studios's built in silence detector now. it's related to automatic subtitles, so is detecting actual voices rather than measuring changes in loudness the way 'audio-editor' does. Magix/Vegas themselves could add this function as part of their automatic subtitles, problem is it's a subscription only feature. Both methods have a potential to fail, Resolve may not be able to detect a voice if low enough or there is loud background noise, and 'audio-editor' is only detecting changes in audio levels afaik.
Also I use the beta versions of capcut(free), and it had an AI silence removal option but is now gone, it may be available in the paid version, but it's subscription software so would not be economical if you only had one use for it.
@andy-0 Are you concerned with only the audio portion and don't care about slicing up video? Sound Forge Audio Studio 17 has that, assuming you purchased Vegas Pro 21 Suite, then you already have it.
Part 1 of a six part series:
Please go through all six parts and you can see the techniques used here to find the "quiet" areas. You can also adjust the parameters to better fit what is actual "silent" in your case - or add a slight buffer before and/or after silence is detected. It's all straight code so you can adjust it to work however you like.