Information is a communication term used to describe any of the following entities
- Audible Sound in the frequency range of 2kHz - 20 kHz . Example human animal sound
- Audible Voice in the frequency range of 3kHz - 30 MHz . Example human speech conversation
- Video in the frequency range of 30Hz - 30 GHz . Example Tivi motion picture
- Data in the frequency range of 2kHz - 20 kHz . Example Computer data
Information exists in many wave forms generate from different sources. Before information can be processed by electronic devices information needs to be converted to electronic waves forming a signal. Then signals can be processed by electronic devices to amplify the signal, with the volume controlled by adjusting the amplitude of the signal.