The lovely sound of 56k modem explained

O explicatie a sunetelor emise de un modem dial up

[The dial-up sounds are] a choreographed sequence that allowed these digital devices to piggyback on an analog telephone network. A phone line carries only the small range of frequencies in which most human conversation takes place: about three hundred to three thousand hertz. The modem works within these [telephone network] limits in creating sound waves to carry data across phone lines. What you’re hearing is the way 20th century technology tunneled through a 19th century network; what you’re hearing is how a network designed to send the noises made by your muscles as they pushed around air came to transmit anything [that can be] coded in zeroes and ones.
-Alexis Madrigal, paraphrasing Glenn Fleishman

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Acesta era sunetul victorie prin anii 2000, cand ne conectam la Xnet dupa 10 seara (ca atunci scadeau tarifile la telefonie), si dupa zeci de minute de ton ocupat, cand auzeam sunetul asta ziceai ca am castigat la loto.

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naspa era daca cineva vroia sa foloseasca telefonul !
:))