FLAC, which stands for Free Lossless Music Codec, is a lossless audio format similar to MP3 that allows for lossless audio compression without sacrificing sound quality. The only codec that is simultaneously non-proprietary, unencumbered by patents, has an open-source reference implementation, has a well-documented format and API, and has numerous other independent implementations is FLAC, which stands out as the fastest and most widely supported lossless audio codec. If you know more about What is flac and how its works....visit the website.