Audio Specifications for Music Distribution — Complete Technical Guide (2026)
July 28, 2026 1 min read
Audio File Requirements
Most streaming platforms require WAV (PCM) files at 44,100 Hz sample rate with 16-bit or 24-bit depth. FLAC is accepted as a lossless alternative. Avoid distributing in lossy formats like MP3 when possible, as they may be rejected or transcoded with quality loss.
Loudness Standards
Streaming platforms normalize loudness to approximately -14 LUFS (integrated). Master your tracks to -14 LUFS with a true peak below -1 dBTP for optimal playback across all platforms. Loudness normalization means overly loud masters will be turned down.
Artwork Requirements
All platforms require 3000x3000 pixel square artwork in RGB color mode. Acceptable formats are JPEG and PNG. The artwork should be high resolution, visually striking and free of explicit content unless flagged appropriately.
Metadata Best Practices
Accurate metadata is critical. Include: track title, artist name, featured artists, album title, genre, release date, ISRC code, UPC code, track number, explicit flag and language. Incomplete metadata causes distribution delays and lost royalties.
Platform-Specific Requirements
While most platforms share similar basic requirements, some have additional specifications. Spotify requires specific ISRC formatting. Apple Music has strict artwork guidelines. YouTube Music has content ID considerations. Research each platform's requirements before distribution.
Frequently Asked Questions
WAV (PCM) at 44,100 Hz, 16-bit or 24-bit is the industry standard. FLAC is also widely accepted.
-14 LUFS integrated with true peak below -1 dBTP is the recommended target for streaming platforms.
3000x3000 pixels, square ratio, RGB color mode, JPEG or PNG format.
