Voice recognize app from the video

Job ID: 31402617

Budget: $30 – $250 USD

I need an app which can recognize and bleep out swear words from netflix or youtube or other apps.
It looks like https://nofanity.com/
but instead of muting, it should just bleep.
it has to be fast and customisable as well, like user should be able to add more keywords to be bleeped out.
I want to develop it as desktop app, not sure python or nodejs is fine.