We currently accept files in the following formats:

- RIFF/ WAV
- 2 Kanal Stereo
- PCM (Pulse Code Modulation)
- Constant bitrate
- Sampling frequency: 44.1 kHz
- 16 bit per sample

If it is an audio book or radio play track, the RMS level must be between -24db and -14db.

You can upload an uncompressed WAV file or a lossless compressed FLAC file.