this post was submitted on 09 Mar 2025
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A new open-source tool named 'Chirp' transmits data, such as text messages, between computers (and smartphones) through different audio tones. [...]

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[–] crt0o@lemm.ee 12 points 10 months ago (1 children)

Holy shit, what if we transmitted that over the phone?

[–] Sivilian@lemmy.zip 9 points 10 months ago (1 children)

And like we connected all the phones together

[–] remotelove@lemmy.ca 2 points 10 months ago

I don't think we would need to use audible tones, even. My goodness, we might just be on to something.

[–] notsure@fedia.io 4 points 10 months ago (1 children)

...back in the day, if you built a certain type of tone generator, you could talk on pay phones for free, or even call long distance!

[–] Crackhappy@lemmy.world 3 points 10 months ago

Or just whistle.

[–] Onomatopoeia@lemmy.cafe 1 points 10 months ago

And this is still how you program handheld radios.