Audio sources refer to devices or mediums that produce sound. Common examples include microphones, speakers, and musical instruments. These sources can capture, amplify, or reproduce sound waves, allowing us to hear music, speech, or other audio content. In addition to physical devices, audio sources can also be digital, such as streaming services or audio files stored on computers. These digital sources provide access to a vast array of sounds, from podcasts to songs, making it easy for users to enjoy audio content anytime and anywhere.