for f in *.flac; do gain=$(sox "$f" -n stat -loudness 2>&1 | grep "Loudness" | awk 'print $2') echo "Track: $f, Loudness: $gain" # Compute correction relative to -23 LUFS (EBU R128) done
FLAC preserves original PCM audio data losslessly, but it does not inherently enforce uniform loudness. Without normalization, users experience volume jumps between tracks or albums. The FLAC Gain Fix solves this by writing ReplayGain tags (e.g., REPLAYGAIN_TRACK_GAIN , REPLAYGAIN_ALBUM_GAIN ) into the file’s metadata. Unlike destructive audio normalization, ReplayGain is non‑destructive and reversible. flac gain fix
Dealing with inconsistent volume levels across your FLAC library is a common frustration, especially when transitioning from older masters to modern "loud" tracks. Because for f in *