513K views · Jan 30, 2013 · 1:14 · 0 HN recommenders · 3 mentions · discussed 2017–2025
A short animation that pairs the sound of a dialup modem handshake with a graphic explaining what each phase of the sound means.
Why Hacker News points people here: Shared in dial-up nostalgia threads as a way to both hear and understand the handshake.
“And this version combining the graphic and the sound used to make the graphic”HN comment, 2025
“Animation of the picture illustrated in this article”
Animation of the modem handshake picture.
3d spectrogram: link Animation of the picture illustrated in this article: this video If you live with someone >= 30, turn up the volume and wait for him/her to appear at the door for a nostalgia moment...
“And this version combining the graphic and the sound used to make the graphic”
Combines the explanatory graphic with the modem sound.
I like this explanatory graphic (after many many years of listening to the dialup sounds) - link And this version combining the graphic and the sound used to make the graphic: this video And this alternative version (h/t @Kye): link
“I came across this recording”
Recording of the modem handshake sound.
The dial tone was prior to dialing. Upon connection, there was an audible sound from the modem handshake. Through some google searches, I came across this recording: this video
