What is analog audio input?
Analog Audio Input
Analog audio signal is audio information provided in an analog form by analog audio outputs. For example, a record player is a good example of an analog audio output device. Its needle follows a physical groove pressed onto the record and converts it to an electrical signal.
What is a digital audio amplifier?
Basically, a digital (Class D) amplifier takes an incoming analog signal and converts it into a digital representation comprised of pulse widths. Although there are a number of different design variations, Class D amplifiers are essentially switching amplifiers or Pulse Width Modulator (PWM) designs.
What is audio in and audio out?
An audio output, or also known as audio out, drives a signal (digital or analog) into another device’s audio input. They are found on audio-generating devices such as your TV or computers.