Digital voice recorders are portable devices designed to capture audio recordings. They are commonly used for various purposes, such as taking notes, recording interviews, or preserving lectures. These devices convert sound waves into digital files, making it easy to store, edit, and share recordings. Most digital voice recorders feature built-in microphones and storage options, allowing users to save multiple recordings. Many models also offer additional features like playback speed control, voice activation, and USB connectivity for transferring files to computers. Popular brands include Sony, Olympus, and Zoom, each offering a range of models to suit different needs.