Tools for removing background audio buzzing sound from VHS transfer?

[timtape]

No I understand. I guess it would be up to the court and legal representatives to decide if what was obtained
was admissible or not.

Yes, I read some years ago of a court case where a forensic audio officer had "restored" some poor quality audio spoken in a language he was not familiar with. So he wasnt even able to tell when intelligibility was being compromised. For listeners who did understand that language, some words could now have a different meaning which could have had serious consequences for the evidence veracity and trial verdict.

Perhaps I misunderstood this whole thing:
What point are you trying to make by creating this test? That the original quality cannot be derived from your file?
Some criticism of noise reduction technology in general? Something else?

I use my little audio example to test any broadband random noise removal tool available. I'm not selling it or anything. If a restoration tool could be developed which could extract its original voice quality free of all that noise I'd be pleasantly surprised. Even just to make the words intelligible.

Below are links to two articles on forensic audio which some might find interesting. Both mention the importance sometimes of leaving some or even a lot of the noise intact so as to not damage the speech intelligibility. To quote author James Zjalic from the second article:

"...Despite the false expectations that are created by television shows such as CSI, forensic audio examiners are subject to the laws of physics, and this means there are limits as to what is possible. It is of the utmost importance that these limitations are understood not only by the forensic audio analyst, but also by judges, juries, clients and other lay people, reinforcing the message that much of what is presented on television shows and movies is not possible in the real world..."

https://www.soundonsound.com/techniques/introduction-forensic-audio

https://www.soundonsound.com/techniques/why-forensic-audio-isnt-audio-engineering

[davexnet]

Thats fair - and thanks for the links.
With all the promise of AI, what "is not possible in the real world..." right now, may be possible tomorrow

[timtape]

Thats fair - and thanks for the links.
With all the promise of AI, what "is not possible in the real world..." right now, may be possible tomorrow

You're welcome. Whatever's possible in the future, wont it still be bounded by the same "laws of physics" and information which apply today?