Audio

Audio refers to the sound, especially when it is recorded, transmitted, or reproduced. It encompasses a range of sound frequencies that can be heard by humans, typically from 20 Hz to 20 kHz. The term can apply to different formats, including music, voice, and ambient sounds, and it is used in various contexts such as audio files, audio equipment, and audio production. In technology, audio is often associated with digital signals, sound waves, and various forms of media playback. The field of audio engineering focuses on the capture, manipulation, and reproduction of sound, emphasizing quality and clarity. Audio is central to many forms of entertainment and communication, including radio, television, film, podcasting, and live performances.