any form of communication that could be mis-understood or become entangled 1) smoke signals - two people making smoke signals on the same hill top, talking to different people, it would be hard to make out which conversation the signal is for. 2) Drums - two people playing signal drums in the same location, but talking to different people. 3) Morse Code lamps - ships used to comunicate using flashes from lamps, you could see a message that not for you and respond to it 4) Talking to a person in a crowd and you hear other conversations in the background.
A microphone converts the pressure waves caused by sound into vibrations within a coil which transforms the vibrations into electric signals. These electric signals can then be sent by wire or wireless to an amp or mixer of some sort for output to speakers or perhaps a recording device.
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house phone,pay phone,cell phone
notification and warning
Notification and warning
When adjacent signals overlap each other in the frequency domain resulting in interference of the signals, that is called CrossTalk.
Interference of signals between wire pairs.
True
Crosstalk
Reducing crosstalk depends on where the crosstalk is occurring. In adjacent channels on something like, say, a microwave link, polarizing the signals on adjacent channels alternately works pretty well. There are other ways, and lots of other places where crosstalk can appear. Just one was cited.
Crosstalk is a disturbance caused by the electric or magnetic fields of one telecommunication signal affecting a signal in an adjacent circuit. In an telephone circuit, crosstalk can result in your hearing part of a voice conversation from another circuit. The phenomenon that causes crosstalk is called electromagnetic interference (EMI). It can occur in microcircuits within computers and audio equipment as well as within network circuits. The term is also applied to optical signals that interfere with each other.
Near-end crosstalk (NEXT)
Examples of the periodic signals include exponential and sinusoidal signal.
Yes.
The electric motor does not work on the principle of the amplifier and the digital signals.
red, redstone dust is used for electric signals.
vacuum tubes