Audio output refers to the process of delivering sound from a device to an external source, such as speakers or headphones. This can involve various formats, including analog and digital signals, which convert electrical signals into audible sound. Common devices that utilize audio output include computers, smartphones, and televisions. The quality of audio output can vary based on the hardware and software used. Factors such as sound cards, amplifiers, and audio codecs play a significant role in determining the clarity and richness of the sound produced. Proper audio output is essential for an enjoyable listening experience in music, movies, and games.