Navigating the Index of FLAC Music: A Guide to Lossless Audio Open Directories
Spek is a free acoustic spectrum analyzer. Load your downloaded FLAC file into Spek. If the audio frequency cleanly cuts off at 16kHz or 20kHz, it is a fake FLAC transcoded from an MP3. True CD-quality FLAC files will show data extending all the way up to 22kHz and beyond. Legal and High-Quality Alternatives index of flac music