Audio Formats for Musicians
Musicians interact with audio formats at multiple stages: recording in the DAW, collaborating with other musicians, sharing demos, and distributing finished tracks. Each stage has different requirements. Using the right format at each step preserves quality, reduces file sizes where appropriate, and ensures compatibility with the tools and platforms your collaborators and audience use.
DAW Recording and Editing: WAV or Your DAW's Native Format
Record in WAV (24-bit, 44.1 or 48 kHz) or your DAW's native project format (Logic's .logicx, Ableton's .als, etc.). WAV is universally supported and a safe interchange format. 24-bit depth provides 144 dB of dynamic range versus 16-bit's 96 dB — the extra headroom prevents clipping during recording and gives processing plugins more precision to work with. 32-bit float is increasingly supported and eliminates clipping entirely within the DAW (though you still need to peak-limit on export). Save project files plus WAV bounces of tracks you might share with collaborators.
Collaboration: Sharing Stems and Rough Mixes
For sharing stems with producers, mixers, or collaborators: export as 24-bit WAV at your project sample rate. This is the professional standard and what any DAW will accept without conversion. For rough mixes shared for feedback (via email, iMessage, or WhatsApp): MP3 at 320 kbps is the right choice — small enough to send easily, good enough for feedback listening. Never share a project file directly unless the other person has the same DAW and plugins. Use cloud storage (Dropbox, Google Drive) for large WAV stem packages rather than email.
Archiving Masters: FLAC
For long-term archiving of finished tracks and mix stems, FLAC is the best option: lossless (identical to WAV in quality), 40 to 60 percent smaller than WAV, open-source and royalty-free, supported by virtually every operating system and music player. Store FLAC archives of: the final stereo mix, the instrumental, the a cappella (if applicable), and individual stem groups (drums, bass, synths, vocals). These archives allow future remixes, sync licensing, and format conversion without any quality loss.
Distribution and Streaming
For digital distribution (DistroKid, TuneCore, CD Baby, Amuse): submit WAV at 24-bit 44.1 kHz. Most distributors convert internally to the format required by each platform. Some distributors accept FLAC — check their current requirements. Streaming platforms receive the WAV from your distributor and encode it internally (Spotify uses Vorbis, Apple Music uses AAC, YouTube uses Opus). The quality of what you submit directly affects what listeners hear — submit 24-bit WAV, not MP3.
Sharing for Casual Listening
For SoundCloud, Bandcamp, social media previews, or sending to friends: MP3 at 320 kbps is the correct choice. It is universally playable, 90% smaller than WAV, and transparent for listening on typical headphones and speakers. Bandcamp also accepts lossless uploads and serves multiple formats to buyers — upload FLAC or WAV and let Bandcamp convert for the listener. For Instagram and TikTok video content with music: the platform will re-encode your audio; use the highest quality MP4 with AAC audio you can export.