Sound of the dialup modem explained
bialasiczek0 HN recommenders · 2017–2025
512K views · explainer · evergreen · Uploaded 2013-01-30
A short animation that pairs the sound of a dialup modem handshake with a graphic explaining what each phase of the sound means.
Shared in dial-up nostalgia threads as a way to both hear and understand the handshake.
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3 comments from Hacker News
3d spectrogram: [LINK] Animation of the picture illustrated in this article: [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...
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: [VIDEO] And this alternative version (h/t @Kye): [LINK]
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: [VIDEO]