Audio recorders are devices used to capture sound, allowing users to record voice, music, or other audio. They come in various forms, including handheld devices, smartphone apps, and professional studio equipment. Many audio recorders offer features like built-in microphones, adjustable settings, and the ability to save recordings in different formats. These devices are commonly used in various fields, such as journalism, music production, and education. For instance, journalists use audio recorders for interviews, while musicians may use them to capture song ideas. Overall, audio recorders are essential tools for anyone needing to document sound.