Some audio publishers allow a companion banner (which may be free of charge or for an additional fee) that will serve alongside the audio ad upon playing. These should be hosted on The Trade Desk for best compatibility.
Scale across multiple inventory sources using these creative specifications.
Hosted .MP3 files should have a constant bitrate.
15 seconds or 30 seconds
Companion banner file types:
ACast (BBC, The Economist, Financial Times, Vice, Yahoo, The Guardian)
iHeart Media (Audio and Podcasts)
Audacy (Radio.com) (Audio and Podcasts)
|Anghami||20 seconds (and under)|
|Bauer||30 seconds and 60 seconds|
.MP3 files (maximum size: 100 KB for mobile, 150 KB for desktop)
|Fox News||15 seconds, 30 seconds, and 60 seconds|||
|Podcast One||15 seconds, 30 seconds, and 60 seconds||None|
|Quebecor||15 seconds and 30 seconds|
.MP3, .WAV, .WMA, or .OGG files
Bitrate: At least 128 kbps, 44100 Hz sample rate
Trimmed of slate/silence
1x1 tracking pixel only
|Rogers||15 seconds and 30 seconds|
|Stitcher||15 seconds and 30 seconds|
.MP3 files (1 MB maximum)
|WideOrbit||15 to 60 seconds for audio, 15 second and 30 seconds for video|
.AAC, .MP3, .OGG, and .MPEG files
Bitrate: 32 kbps to 320 kbps (128 kbps recommended)
|300x250 for web,|
320x 50 for mobile
When you upload your hosted audio creative, you will have the option to add third-party tracking pixels to track various events that occur when an impression is served. To decrease the likelihood of errors, you should not place more than eight pixels on a single creative.
The following event types are available:
Learn more about audio.