Platform Presets
Spotify / Apple Music / Streaming
ffmpeg -i input.flac -af loudnorm=I=-14:TP=-1:LRA=11:print_format=summary \
-ar 44100 -sample_fmt s16 -c:a flac output_spotify.flac
YouTube
ffmpeg -i input.flac -af loudnorm=I=-14:TP=-1:LRA=11 \
-c:a libmp3lame -b:a 320k -ar 48000 output_youtube.mp3
TikTok / Instagram Reels
ffmpeg -i input.flac -af loudnorm=I=-14:TP=-1:LRA=11 \
-c:a aac -b:a 256k -ar 44100 output_tiktok.m4a
Podcast
ffmpeg -i input.flac -af loudnorm=I=-16:TP=-1:LRA=11 \
-c:a libmp3lame -b:a 192k -ar 44100 -ac 1 output_podcast.mp3
CD Quality
ffmpeg -i input.flac -ar 44100 -sample_fmt s16 -c:a pcm_s16le output_cd.wav
Archive (Lossless)
ffmpeg -i input.flac -c:a flac -compression_level 8 output_archive.flac
Web (Small file)
ffmpeg -i input.flac -c:a libopus -b:a 128k output_web.opus
Loudness Targets
| Platform | LUFS | True Peak | Notes |
|---|---|---|---|
| Spotify | -14 | -1 dBTP | Auto-normalized on ingest |
| Apple Music | -16 | -1 dBTP | Sound Check normalization |
| YouTube | -14 | -1 dBTP | Loudness normalized |
| TikTok | -14 | -1 dBTP | |
| Podcast | -16 to -18 | -1 dBTP | Mono recommended |
| CD | ~-9 to -12 | 0 dBTP | No normalization standard |
Metadata Tagging
ffmpeg -i input.flac \
-metadata title="Song Title" \
-metadata artist="Artist Name" \
-metadata album="Album Name" \
-metadata date="2026" \
-metadata genre="Pop" \
-metadata comment="Generated with ACE-Step 1.5" \
-c:a copy output_tagged.flac
Batch Export
For exporting to multiple platforms at once, run commands sequentially:
# Export for all major platforms
for PLATFORM in spotify youtube tiktok podcast; do
bash ~/.claude/skills/claude-music/scripts/music_export.sh "$PLATFORM" input.flac
done