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No, I'm saying that does literally nothing but add noise. It does not block or change the original signal in any significant way for human ears - only for consumer-level voice recognition software. Which is extremely crappy even without noise for anything more complex than "hey google play some ads in the middle of this song."

Once you take the noise out, the voice recognition software has problems recognizing the words. People do not. You can take the noise out at home with lots of different software or hardware. Skype/teams/zoom do this on a very basic level by default - as do most microphone audio drivers in windows. Once it's taken out, distortion from the noise is just enough to make the voice recognition miss a bunch of words. Human ears do just fine though.

https://www.youtube.com/watch?v=u3zdGza5zeI




There is a short sample of audio in the YouTube link. Your video is not even remotely similar in sound. If you could take the audio from the original and extract easy (for humans) to understand speaking, your confidence that this won’t work would be obviously justified. But so far you don’t appear to have even understood how the device works.




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