So like, when I speak into my phone while on a call, whats the process before it gets sent out to the other person? Like my voice has to be turned into a digital signal somehow? And how does what software understand any of that?
In: 25
All modern phones are completely digital these days. Everything is transmitted as 1s and 0s. When you speak into a cellphone, a tiny microphone in the handset converts the up-and-down sounds of your voice into a corresponding up-and-down pattern of electrical signals (think record into mp3). A microchip inside the phone turns these signals into strings of numbers. The numbers are packed up into a radio wave (like your car radio signal, but much more secure) and beamed out from the phone’s antenna. The radio wave races through the air at the speed of light until it reaches the nearest cellphone tower, where it is digitized once again and sent to the person who called you.
Latest Answers