"Noise" is part of an audio signal that is not the intended signal. When you listen to music on the radio, you can hear the music, and usually also some noise. When computers record or play audio, the electronic components sometimes create extra noise. Sometimes it can be your background noise recorded your audio. | "Noise" is part of an audio signal that is not the intended signal. When you listen to music on the radio, you can hear the music, and usually also some noise. When computers record or play audio, the electronic components sometimes create extra noise. Sometimes it can be your background noise recorded your audio. |