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It's the noise that a modem made on the phone line to communicate with the other modem on the other end. Modems typically turned on a speaker until the connection was established and then muted it, because the noise might give you a clue why the connection was failing if there was a problem.
2 mar 2022 · Back in the days of dial-up, your computer performed a symphony just to get online. Here’s what every bleep, screech, and ding actually did.
The reason you hear sounds is that modems were designed to send signals (sounds) that can be transmitted over phone line, which were designed to transmit sound in the frequencies used by the human voice. It sounds like gibberish, but it is actually modem language.
21 wrz 2012 · Modems transmit data by Modulating a signal (tone), and receive data by Demodulating the signal (tone). The sound they generate is the modulated signal. By using a tone, they can transmit a digital signal over an acoustic (sound) channel.
9 maj 2020 · If you interrupt a modem connection by picking up a telephone handset and listening, you'll hear screeches, hissing, buzzing, and various other noises. "That is the actual sound of the data being sent and received," said Dale Heatherington, a co-founder of Hayes Microcomputer Products and the circuit designer of the first direct-connect modem ...
Here's an article about the sounds dial-up modems made. That is the sound that an analog modem sends down the phone line during its "handshake" phase. This is the phase where it identifies that it's a modem, and what kind of speed and protocol it can use.
9 lis 2023 · What was dial-up internet? It’s hard to fault younger generations for asking that question. It’s hard to imagine an internet connection that was so antiquated, but only 25 years ago, it ruled...
