Digital Audio

Ad Specifications

Device Availability	Mobile, Desktop
File type	MP3, WAV
Ad serving template	We only accept VAST3.0 when directly used in our adserver. Please never use VAST/VPAID behind the DSP setup, due to specific audio pre-fetching technologies in audio players and apps, huge discrepancies in the 3rd party ad server should happen.
Recommended duration	Pre-roll: 20s sharp (00h00m20.000s) Mid-roll: 30s sharp (00h00m30.000s) Deezer creative duration must be between 20s and 30s.
Min audio duration	5s
Max audio duration	60s
Max size	No limitation
Bitrate	CBR 256kbps or 320kbps recommended.
Audio levels	24 LKFS (+/- 2.0 dB) in the NA as per ATSC A/85 – https://www.atsc.org 23 LUFS (+/- 1.0 dB) in the EU as per EBU R128 – https://tech.ebu.ch/
Sample rate	44.1 kHz recommended

File type	JPG
Dimensions	300x250px – 300x300px and/or 640x640px
Max weight	200kb
Availability	Synchro companion banner only available on limited portion of the inventory. It will be displayed when available.