Audio refers to sound that is captured, recorded, or transmitted. It can include music, speech, and various sound effects. Audio is an essential part of our daily lives, found in everything from podcasts and movies to video games and live performances. It allows us to communicate and enjoy entertainment in a rich and immersive way. In the digital age, audio can be easily shared and accessed through various platforms. Streaming services like Spotify and Apple Music provide instant access to millions of songs, while YouTube offers a vast array of audio-visual content. With advancements in technology, audio quality has improved, making our listening experiences more enjoyable than ever.