this post was submitted on 16 Oct 2023
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internet funeral

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[–] DogMuffins@discuss.tchncs.de 101 points 1 year ago (2 children)

You're all missing the real kicker here - this sign is only here for the HIPAA auditor. Everyone knows that no one is actually going to mute the thing.

[–] TWeaK@lemm.ee 21 points 1 year ago (1 children)

Also muting it probably doesn't stop it listening, it just stops its response.

[–] FooBarrington@lemmy.world 1 points 1 year ago* (last edited 1 year ago) (20 children)

No, there is a button to make the Echo stop listening.

If you want to prove me wrong, it should be incredibly easy to press the button and record the Echos network activity. If you're right you'd still see network traffic. But nobody has been able to show this so far. I wonder why?

[–] TWeaK@lemm.ee 14 points 1 year ago* (last edited 1 year ago) (1 children)

Yeah I read the other comments after making mine. However everyone keeps calling it a "physical" button, and I don't think that's accurate. It won't be a physical switch that opens a circuit, it will be a button that operates a transistor that opens the circuit.

Still, I see no good reason to trust the device - especially in a medical setting.

[–] calcopiritus@lemmy.world 2 points 1 year ago (2 children)

There's not much difference between a direct switch and a transistor, both will cut the signal and neither is over rideable by software

[–] piranhaphish@lemmy.world 7 points 1 year ago (1 children)

This is disingenuous at best and incorrect at worst. The mute button on the Echo is just that, a button; it is not a switch. It is software-controlled and pushing it just sends a signal to the microcontroller to take some action. For instance, one action is to turn on the red indicator light; that's definitely not physically connected to the mute button.

Maybe another response of pushing the button is to disable the transistor used for the microphone, but it's more likely that it just sets a software flag for the algorithm to stop its processing of the microphone input signal. Regardless of which method it uses, the microcontroller could undoubtedly just decide to revert that and listen in, either disabling or not disabling the red light at the same time.

But I personally don't think it listens in when muted. I don't think it spies on us to target ads based on what we say around it. I'm not worried that the mic mute function doesn't work as intended.

But I fully understand that it is fully capable of it, technically speaking.

[–] calcopiritus@lemmy.world 3 points 1 year ago

I don't know the internal workings of the echo, I was responding to a comment that said it "operates a transistor". Which is way different than it being an input to a microcontroller.

If the button is just connected to a transistor, it's not software controllable, since transistors are electronical devices that don't interpret any software. A microcontroller does execute software. There's a big difference.

[–] HughJanus@lemmy.ml 5 points 1 year ago (1 children)

A transistor is controlled by software so yes, it's absolutely over rideable.

[–] calcopiritus@lemmy.world 2 points 1 year ago (13 children)

Transistors are simple electronical devices. They don't run software. You can control their inputs with another device (such a microcontroller) that does run software. You can also control their inputs with a button. You can't control their output with software.

I don't know how an Amazon echo is wired up, but if you just have a button connected to the gate of the transistor, it works basically the same as a mechanical switch.

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[–] CoggyMcFee@lemmy.world 11 points 1 year ago (1 children)

If the Echo stored the audio and then sent it sometime after you unmute, it would still pass your test.

[–] FooBarrington@lemmy.world 9 points 1 year ago (1 children)

Which you could easily see by looking at the amount of traffic sent after unmuting, unless you believe that Amazon secretly found an infinite compression algorithm they use only in muted Echo devices.

[–] CoggyMcFee@lemmy.world 5 points 1 year ago (11 children)

Unless some or all of it was sent along during the next time you actually do a voice command.

[–] V0lD@lemmy.world 3 points 1 year ago

Tbf to foobar, that should still give a falsifiable and testable data-difference if you are willing to alter your behaviour around experimentation for an extended period of time

Though, there are always more ways to hide traffic

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[–] bhamlin@lemmy.world 9 points 1 year ago (2 children)

I'm not sure that's the case. We have one at work and if it thinks you're calling out to it repeatedly it will say out loud that its mic is off and that you have to enable it.

It might just be the part that listens for "Alexa" but that audio buffer is available to the device and it can do things with it.

[–] cypherpunks@lemmy.ml 5 points 1 year ago

We have one at work and if it thinks you’re calling out to it repeatedly it will say out loud that its mic is off and that you have to enable it.

This is the funniest thing I've read today (though I'm not sure if it is a joke).

[–] FooBarrington@lemmy.world 5 points 1 year ago

I just tried it with mine, it doesn't react in any way.

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