Good videos, with context.
Sound of the dialup modem explained

Sound of the dialup modem explained

bialasiczek
0 HN recommenders · discussed 2017–2025
Open YouTube ↗

About this video

A short animation that pairs the sound of a dialup modem handshake with a graphic explaining what each phase of the sound means.

Why it appears in the archive

Shared in dial-up nostalgia threads as a way to both hear and understand the handshake.

AI-generated summary and labels from the source dataset; verify important details against the video. Source & credits.

From the Hacker News discussion

muxator · 2017-11 · reference

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...

Read original comment ↗
gregsadetsky · 2025-08 · reference

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]

Read original comment ↗
tcbawo · 2025-12 · reference

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]

Read original comment ↗