Museum of Portable Sound - The sounds of a dialup modem connecting to the internet are actually a language, and the sounds are a conversation between two 20th century-era machines. Listen along
![I figured out what the sound of the old dial-up connection "Pyohyoroloro ~ ♪" was what it is - GIGAZINE I figured out what the sound of the old dial-up connection "Pyohyoroloro ~ ♪" was what it is - GIGAZINE](http://i.gzn.jp/img/2015/03/11/visualize-dialup/top.png)
I figured out what the sound of the old dial-up connection "Pyohyoroloro ~ ♪" was what it is - GIGAZINE
![This is what a dial up modem connection looks like on the spectrogram (DTMF handshake and call). : r/interestingasfuck This is what a dial up modem connection looks like on the spectrogram (DTMF handshake and call). : r/interestingasfuck](https://external-preview.redd.it/U5_P66DkBS5diUU5m2PW83x05G4rZ_v6wCFv_0W6M8s.png?width=640&crop=smart&format=pjpg&auto=webp&s=95ce4fc32bc972847c68066e102a5079321dc578)