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Maker uses Raspberry Pi and AI to block noisy neighbor's music by hacking nearby Bluetooth speakers
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
neighbor plugs in aux cord, hack useless.
Next step: EMP!
Then you transition to this: https://lifehacker.com/silence-noisy-neighbors-by-transmitting-your-music-to-t-5852903
Drill bit, fiber optic camera, a fish tape with a hook end and some drywall putty to fix the hole afterwards.
There are always answers.