MixMasterAIHow to Master Music for Spotify (The Right Way)
Spotify has specific technical requirements for optimal playback. Here is exactly what they are and how to meet them.
Spotify's Exact Technical Requirements
Spotify normalizes playback to -14 LUFS integrated loudness. True peak should not exceed -1 dBTP to survive Spotify's OGG Vorbis re-encoding without distortion. Spotify accepts WAV, FLAC, MP3, and OGG formats from distributors. It re-encodes all uploads to OGG Vorbis at 320 kbps for premium subscribers and 160 kbps for free tier. Dynamic range should ideally exceed 8 DR to avoid sounding overly compressed.
What Spotify Does to Tracks That Are Too Loud
If your track's integrated loudness exceeds -14 LUFS, Spotify applies a negative loudness gain at playback to bring it down to -14 LUFS. This process is called loudness normalization. Your aggressively mastered, loud track ends up playing at the same apparent loudness as everything else, but with all the dynamic range and transient quality already squeezed out by the heavy limiting you applied. The loudness war approach actively harms your sound on Spotify.
What Spotify Does to Tracks That Are Too Quiet
If your track is below -14 LUFS, Spotify applies a positive loudness gain at playback. While this sounds like a benefit, gain-boosted audio can expose the noise floor and reduce perceived punch and energy. A properly mastered track at exactly -14 LUFS plays back with no adjustment applied, exactly as your mastering engineer intended, with full dynamic range and transient clarity preserved.
How to Check Your Master's Loudness
After mastering, verify loudness using a free meter. Youlean Loudness Meter is the most widely used free option and works as a DAW plugin or standalone application. Import your finished master and read the integrated LUFS value. It should be at or very close to -14 LUFS. Check the true peak reading separately and confirm it is at or below -1 dBTP. If both values are on target, your master meets Spotify's specification.
How MixMasterAI Hits Spotify Spec Automatically
Select Spotify as your streaming platform target before mastering in MixMasterAI. The processing pipeline normalizes to -14 LUFS integrated loudness and applies a true peak limiter with a ceiling at -1 dBTP. The output WAV file meets Spotify's technical requirements without any manual loudness metering, iterative adjustments, or plugin knowledge. Upload the downloaded WAV to your distributor and it will play back correctly on Spotify.
FAQ
Common questions
Will Spotify reject my track if it is mastered incorrectly?
Spotify will not reject a track based on loudness. Distributors accept tracks at any level. However, if the track is too loud, Spotify's loudness normalization will reduce it at playback, undoing any loudness gains from heavy limiting. If it is too quiet, Spotify boosts it. Neither scenario is catastrophic, but mastering to spec produces the best and most predictable playback experience.
Should I master a different version for Spotify and Apple Music?
You can, and some engineers do. Apple Music targets -16 LUFS versus Spotify's -14 LUFS. A track mastered at -14 LUFS will be turned down by 2 dB on Apple Music, which is a minor adjustment. A track mastered at -16 LUFS will be slightly boosted on Spotify. For most artists, one master at -14 LUFS distributed across all platforms is a practical and sonically acceptable choice.
What is OGG encoding and how does it affect mastering?
OGG Vorbis is the audio codec Spotify uses for delivery to listeners. When you upload a WAV to your distributor, Spotify re-encodes it to OGG. This lossy encoding process can increase inter-sample peaks beyond 0 dBFS if your master's true peak is not limited below -1 dBTP. Those over-0 peaks cause audible clipping distortion in the OGG stream. A -1 dBTP true peak ceiling prevents this.
Does Spotify's normalization make loud masters sound better?
No. Loud masters that get turned down by Spotify's normalization sound worse, not better, than well-mastered tracks at the target level. Heavy limiting squashes transients and reduces dynamic range. When normalized to the same apparent loudness as a dynamically mastered track, the over-compressed version sounds flat and lifeless. Moderate limiting at the target LUFS is always better than excessive limiting that gets turned down.
Put it into practice.
Now you know the theory. MixMasterAI applies it automatically. Upload your track and hear the difference in 60 seconds.
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