I want to record my screen while I talk, but I would like to distort my voice like they do in the anonymous videos, to retain my anonymity. How can I do that? I’d rather not use a TTS engine as it would be difficult to synchronize the sound with the video of the screen. I just want to distort my voice enough so that people close to me couldn’t tell it’s me, assuming they aren’t experts and manage to reverse the voice distortion. And how do I share the video online without leaking my IP?
And, in a not so private way, what about real time streaming? I’ve seen a person who changed his voice and image so that it seemed as if Rocket from Guardians of the Galaxy was talking to you.
Not an expert at all in anonymizing audio, but I suspect anything “off the shelf” to mask your voice may be easy, or at least easy for experts, to undo. I would suggest instead to use a TTS engine and mask that instead. Here’s a list of decent - from my now ancient experience - TTS engines you may be able to use: https://linuxhint.com/command-line-text-speech-apps-linux/
Regarding uploading without leaking your IP - you could use Tor, but ensure javascript is disabled and/or you completely trust the server you’re uploading to, lastly some people would advise that Tor has been long compromised, but take that with a grain of salt and wait for others with more recent knowledge/experience chime in.
TTS is the way to go, but maybe a little inorganic to OP’s use case. It sounds like they want to do ankindnof follow-along video or something similar.