Aiseesoft Audio Converter is a software that allows users to convert audio files to various formats such as MP3, AAC, WAV, WMA, and more. The software also enables users to extract audio from video files and convert it to the desired format. It supports batch conversion, allowing users to convert multiple files at once, and has a user-friendly interface with easy-to-use editing tools. Additionally, the software allows users to adjust the audio bitrate, sample rate, and channel.