*I have a video I got off YouTube, but it has talking over the background video’s sounds. But I also have a short clip of an identical portion but without voices over it.
*I was wondering if I can use the two tracks in Audacity to sort of match the sounds and pick up the frequency of the guys voice and remove that which differs from the other version, leaving only the background video to be heard.
Hopefully that makes sense to you folks. Just want to know if this can be done somehow.
Why don’t you just substitute the voiceless sound for the original? You’re going to have to have access to a good video editor anyway even if Audacity succeeds. Audacity can separate sound from video, but we can’t put a new one back.
You can try Effect > Vocal Removal and Effect > Vocal Reduction and Isolation on the original track. Audacity should be able to import the sound track from the video so you can work on it.
*I was wondering if I can use the two tracks in Audacity to sort of match the sounds and pick up the frequency of the guys voice and remove that which differs from the other version…
No…
Real world sounds contain many frequencies (harmonics and overtones) and usually many overlapping frequencies. So for example, you can’t filter-out the voice or the instruments from a song. (There are some tricks for removing/extracting ‘center channel’ vocals, which sometimes work, but most times don’t work well.)
It’s only partially unvoiced though, I wanted to see if I can use that to remove all the voice on the other clip which has that same part but voiced over, so I was wondering, with like how the Noise Reduction thing get’s a noise profile to remove, if I can somehow use that to get the signature of the voice-over to remove that noise.