Use (spectrogram viewer) or Audacity to confirm it’s true lossless (no high-frequency cutoffs that indicate a transcode from lossy).

Use (Windows) or Spek (cross-platform). Open a track. A genuine FLAC (CD or higher) shows frequencies up to 22.05kHz (for 16-bit) or 48kHz (for 24-bit/96kHz). MP3s have a sharp cutoff at 16-18kHz.

Chris Cornell Higher Truth 2015 Flac Install

Use (spectrogram viewer) or Audacity to confirm it’s true lossless (no high-frequency cutoffs that indicate a transcode from lossy).

Use (Windows) or Spek (cross-platform). Open a track. A genuine FLAC (CD or higher) shows frequencies up to 22.05kHz (for 16-bit) or 48kHz (for 24-bit/96kHz). MP3s have a sharp cutoff at 16-18kHz.