Nobody really knows how we convert signals from outside into images within.

This signal is then processed and converted into a channel.

If you are calling a plain old telephone number, the signal is converted back at the other end.

They don't convert or process signals in any way.

The loudspeaker is used to convert electrical signals into sound.

The operator at the receiving end converts these sounds or signals into a written message.

Many signals can be converted to voltages and displayed this way.

Actuators convert electrical signals and energy into motion of some kind.

The signals are amplified, filtered, and converted into digital data.

Alternatively, the signals can be converted to digital form, which is much less susceptible to crosstalk.