Uncompressed audio will produce the highest quality sound. That being said, ART19 can accept almost any type of audio.
The order of preference would be:
1. Uncompressed WAV or AIF
2. FLAC or ALAC (Apple Lossless) or 256 Kbps AAC or MP3
For WAVs, 2 channel, 16-bit little-endian, 44,100 Hz sample rate is preferred.
All files are transcoded to: MP3 128kbps CBR / 2 channel (stereo)
Please note: there is a file size limit of 2GB and a duration limit of approximately 7hrs 30mins when uploading audio.
At this time, the ART19 platform makes no modification to the loudness, true peak or dynamic range of your audio during our transcoding process. When using our WarpFeed tool for dynamic ad insertion, we suggest making sure that anyone who may be mixing or mastering ads that will appear in your content is aware of what loudness targets you are mixing to. This will ensure the best experience for your listeners.