A microphone is a device with an electrical output. An acoustic wave is the input. Its only function is to 'capture' sounds and convert them into an electrical signal for processing by the computer.
Chat with our AI personalities
Because it cannot output anything. Sound waves received by the microphone are converted to electrical signals by the diaphragm. The signals are turned back into sound by a speaker.
A microphone is a device with an electrical output. An acoustic wave is the input.