[sdiy] AES Talk: Blind Source Separation, Gordon Reid, 21st Feb

[sleepy_dog at gmx.de]

Interesting, alas I missed that date.
Something like that was in the back of my mind as a project (on my
toilet paper roll TODO list ...)
after being introduced to a "speech extractor" product by a HAM radio
guy with hearing difficulties,
which tracked harmonic envelopes to sort out what's speech and what isn't,
so I thought, how about separating several speech profiles, and other
noise sources, by determining coherent FFT frequency bin envelopes,
probably could use smaller neural nets for that, which is "how the cool
kids do things these days".
I imagine that separating several speakers from blanket "noise", and
perhaps each other, to be easier than different types of noise, music
etc - but for me, the latter wouldn't be that interesting, so far.

The inspiration came from trying to listen to interviews being given,
with some protesting going on in the background, the noise floor of
which made listening difficult, unpleasant or both, and it would seem
nice if you just had a bunch of sources with checkboxes presented, and
could uncheck the background noise ones.
As it goes with something like that, it could be used for nefarious
purposes also.

Does that guy have some demo of a working program available?

cheater cheater via Synth-diy:
> Does anyone have a recording? I missed it, and I could use it at work!!
>
> On Tue, Feb 14, 2023 at 5:06 PM Neil Johnson via Synth-diy
> <synth-diy at synth-diy.org> wrote:
>> Hi all,
>>
>> Synth nut and audio expert Gordon Reid (also writes stuff for SOS,
>> etc), is giving an audio technology talk on the subject of Blind
>> Source Separation (the classic cocktail party problem) next week for
>> the AES UK section:
>>
>> https://www.aes-uk.org/events/whither-blind-source-separation-with-gordon-reid/
>>
>> It is free to attend, you just need to register to get the zoom link.
>> 21st February 7pm UK time.
>>
>> Cheers,
>> Neil
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