We support the uploading of MP3, WAV, and FLAC files and encourage you to upload the highest quality version available for your release.
The recommended formats for uploading audio masters are:
WAV with a 16-bit depth, 44.1KHz, in stereo.
FLAC with a 16-bit depth, 44.1KHz, in stereo.
Additionally, we support the delivery of high-quality audio files, including HD Master and Studio HD Master versions.