The full picture is actually quite cool to see, follow the link for it.The sound of the dialup, pictured
If you ever connected to the Internet before the 2000s, you probably remember that it made a peculiar sound. But despite becoming so familiar, it remained a mystery for most of us. What do these sounds mean?
As many already know, what you're hearing is often called a handshake, the start of a telephone conversation between two modems. The modems are trying to find a common language and determine the weaknesses of the telephone channel originally meant for human speech.
Below is a spectrogram of the handshake audio. I've labeled some signals according to which party transmitted them, and also put a concise explanation below.
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The sound of the dialup, pictured
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The sound of the dialup, pictured
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JUSTICE, n A commodity which is a more or less adulterated condition the State sells to the citizen as a reward for his allegiance, taxes and personal service.
Re: The sound of the dialup, pictured
Very cool. Aah the bad old days.
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Re: The sound of the dialup, pictured
Sends shivers down my spine - and not in a good way either