this post was submitted on 02 Oct 2025
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cross-posted from: https://lemmy.zip/post/50110241

Flock Safety, the police technology company most notable for their extensive network of automated license plate readers spread throughout the United States, is rolling out a new and troubling product that may create headaches for the cities that adopt it: detection of “human distress” via audio. As part of their suite of technologies, Flock has been pushing Raven, their version of acoustic gunshot detection. These devices capture sounds in public places and use machine learning to try to identify gunshots and then alert police—but EFF has long warned that they are also high powered microphones parked above densely-populated city streets. Cities now have one more reason to follow the lead of many other municipalities and cancel their Flock contracts, before this new feature causes civil liberties harms to residents and headaches for cities.

top 32 comments
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[–] redsand@lemmy.dbzer0.com 56 points 1 month ago (5 children)

Should be fun flooding these with false positives and adversarial noise.

[–] TootSweet@lemmy.world 22 points 1 month ago (3 children)
  • Get an old MP3 player. And speakers.
  • Grab the audio from horror, action, gangster, etc movies.
  • Make audio files with long periods (hours) of silence punctuated with about 2 minutes of screams and gunshots here and there.
  • Go to the location of a Flock microphone with the MP3 player loaded with audio files, speakers, and a trowel.
  • Bury the whole thing shallow and hit play.
[–] extremeboredom@lemmy.world 15 points 1 month ago (7 children)
  • Flock starts using Content ID match to filter out false positives from all known recorded media
[–] rumba@lemmy.zip 20 points 1 month ago

Enter AI for its first white hat job...

[–] Sonicdemon86@lemmy.world 9 points 1 month ago (1 children)

Then use your own voice and gun to make sure Content ID doesn't work.

[–] undefined@lemmy.hogru.ch 4 points 1 month ago

and gun

😆😭

[–] TootSweet@lemmy.world 5 points 1 month ago* (last edited 1 month ago)

Then Flock goes deaf any time someone drives up with moderately loud music playing on their car stereo.

[–] punk_princess@lemmy.blahaj.zone 2 points 1 month ago

thanks for the AV

[–] redsand@lemmy.dbzer0.com 2 points 1 month ago

Adversarial noise

[–] DoGeeseSeeGod@lemmy.blahaj.zone 1 points 1 month ago

Type to hire a voice actor

[–] vaultdweller013@sh.itjust.works 1 points 1 month ago (1 children)

Play a game with complex audio simulation and go wild for a bit. May not be 100 percent but it may be variable enough to cause it. If you can't find a game with such a thing, look at the Fallout NV and 4 Nexus modders are batshit.

You made me realize that maybe Home Alone prepared an entire generation for the day we would have to fight dangerous but comically dumb criminals invading our home.

One of the dumbest IRL bad guys even made a cameo.

[–] whiwake@lemmy.cafe 7 points 1 month ago

Or destroy it

[–] MonkeMischief@lemmy.today 3 points 1 month ago

"Keep the change, ya filthy animal!"

(Old timey Thompson pew pew pew sounds)

[–] Cassanderer@thelemmy.club 15 points 1 month ago (1 children)

They are already well known for false positives on gunshots.

[–] BanMe@lemmy.world 10 points 1 month ago

My city just ended their contract with our shot spotter company because it hasn't made anyone safer but has resulted in a ton of mistaken dispatches. People know they can fire a gun and simply walk away, it'll be 10, 20 minutes before police roll by. Who cares?

[–] Skyrmir@lemmy.world 5 points 1 month ago

Great, we're gonna go from idiots blasting heavy bass, to idiots blasting anime porn sound tracks around the neighborhood.

[–] treadful@lemmy.zip 2 points 1 month ago

Maybe this guy was doing a public service.

https://www.youtube.com/watch?v=4lVUuuuJU7c

[–] Jakeroxs@sh.itjust.works 2 points 1 month ago

Anywhere children are present...

[–] homesweethomeMrL@lemmy.world 23 points 1 month ago

Flock Safety, the police technology company most notable for their extensive network of automated license plate readers spread throughout the United States, is rolling out a new and troubling product that may create headaches for the cities that adopt it: detection of “human distress” via audio. As part of their suite of technologies, Flock has been pushing Raven, their version of acoustic gunshot detection. These devices capture sounds in public places and use machine learning to try to identify gunshots and then alert police—but EFF has long warned that they are also high powered microphones parked above densely-populated city streets. Cities now have one more reason to follow the lead of many other municipalities and cancel their Flock contracts, before this new feature causes civil liberties harms to residents and headaches for cities.

[–] AlecSadler@lemmy.blahaj.zone 18 points 1 month ago (2 children)

What do these devices look like? I'm happy to just put really loud white noise machines right next to them.

[–] EtherWhack@lemmy.world 8 points 1 month ago

Like a little black satellite speaker with a solar panel plugged into it.

[–] phutatorius@lemmy.zip 7 points 1 month ago (1 children)

Applying a good-sized ball-peen hammer or a vise grip would be more effective, and more costly to them.

[–] crystalmerchant@lemmy.world 5 points 1 month ago

And be careful not to use a bad-sized one

[–] sramder@lemmy.world 11 points 1 month ago (2 children)

Personal white noise generators?

[–] extremeboredom@lemmy.world 10 points 1 month ago (2 children)

You misspelled flamethrowers.

[–] Blumpkinhead@lemmy.world 2 points 1 month ago

I like the cut of your jib.

[–] sramder@lemmy.world 1 points 1 month ago

Awesome 😎

[–] blargle@sh.itjust.works 6 points 1 month ago (1 children)
[–] sramder@lemmy.world 1 points 1 month ago

You may be confused about the way that microphones work ;-)

I’m expecting the barcode license plates any day now after Ben Jordans adversarial noise video.

[–] thatradomguy@lemmy.world 8 points 1 month ago
[–] Johnmannesca@lemmy.world 1 points 1 month ago

I always knew one day rap music would probably put me on a list