Symphonic accepts stereo audio files in WAV, FLAC, or AIFF formats, ranging from 44.1 to 192 kHz and 16-bit or 24-bit.
If you provide 24-bit audio, we recommend dithering these files since Symphonic does not dither the 16-bit encodes generated from your 24-bit files. Learn more about high-resolution audio on DSPs.
Remove all embedded metadata from your audio files before submission. Embedded metadata can cause upload issues, and partners do not process it.
For LUFS, we recommend between -12 to -14 LUFS TP 1. Spotify, Apple Music, and YouTube have their own loudness/compression settings. -14 LUFS TP-1 is ideal for Spotify and YouTube, Tidal uses around -14, and Apple Music uses around -16. Please note that a DSP may adjust the loudness of a track if it does not qualify for its platform standards.
If you encounter an error code while uploading your audio file, check our article on audio file error codes. It lists each error code and the recommended fix to help you upload your file.
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