👉 In audio processing, a "fader" is a device used to adjust the volume of an audio signal. It can be either a mechanical device like a fader board or a digital one. A mechanical fader typically consists of a slider that moves up and down, allowing you to adjust the level of the signal on your instrument or in your music library. The size of a fader is usually adjustable by adjusting its height. Digital faders are similar but use more modern technologies like microphones
