dBpowerAMP FLAC Codec
FLAC is a lossless codec, meaning no audio quality is lost whilst compressing.
FLAC is a lossless codec, meaning no audio quality is lost whilst compressing (unlike lossy codecs such as mp3 which throw audio data away), audio compressed to a lossless codec will be decoded identical to the source, think of it as zip for audio.
FLAC is a acronym for Free Lossless Audio Codec, and is a popular open source cross-platform codec. FLAC falls under the Ogg banner (Vorbis, Speex and FlAC). Primarily developed by Josh Coalson.