IAB Standards Standard Audio Ad ad specs

IAB Standards Standard Audio Ad ads are audio files, up to 5 MB per file, up to 30 seconds long, delivered as MP3, AAC, or OGG. They run in the In-stream (music / podcast) placement on IAB Standards. Master audio at AAC, 192 kbps, and -16 LUFS loudness for consistent loudness.

Visual specifications

Orientationany
Max file size5 MB
File typesMP3, AAC, OGG

Video & audio

Max duration30 sec
Audio codecAAC
Audio channelsstereo (2)
Audio bitrate192 kbps
Sample rate44100 Hz
Bit depth16-bit
Loudness-16 LUFS
Peak level-1 dBFS

Companion banner

Dimensions300 × 250 px
File typesJPG, PNG, GIF

Notes & source

DAAST/VAST-compliant audio ad unit for streaming music and podcast environments. :30 master length. A :15 cut is available as a separate spec entry. Must include a companion display banner (300×250). Loudness normalized to −16 LUFS per IAB Audio Ad guidelines.

Official source: https://www.iab.com/guidelines/getting-audio-podcasting-on-the-media-plan/

Frequently asked questions

What is the maximum file size for IAB Standards Standard Audio Ad?
Files for IAB Standards Standard Audio Ad can be up to 5 MB.
How long can a IAB Standards Standard Audio Ad audio file be?
IAB Standards Standard Audio Ad audio can run up to 30 seconds.
Which file formats does IAB Standards Standard Audio Ad accept?
IAB Standards Standard Audio Ad accepts MP3, AAC, and OGG files.
What codec should IAB Standards Standard Audio Ad ads use?
Encode IAB Standards Standard Audio Ad with AAC.
What companion banner is required for IAB Standards Standard Audio Ad?
IAB Standards Standard Audio Ad requires a companion display banner at 300×250 pixels, delivered as JPG, PNG, or GIF.
What is the IAB Standards Standard Audio Ad ad format?
IAB Standards Standard Audio Ad is a audio ad format that runs in the In-stream (music / podcast) placement on IAB Standards. This page documents its full creative requirements, sourced from IAB Standards's official ad documentation.
Where does IAB Standards Standard Audio Ad appear on IAB Standards?
IAB Standards Standard Audio Ad ads appear in the In-stream (music / podcast) placement on IAB Standards.
How does IAB Standards Standard Audio Ad compare to other IAB Standards ad formats?
IAB Standards Standard Audio Ad differs from other IAB Standards placements in its dimensions, its 30-second duration limit, and a 5MB file ceiling. Compare side-by-side from the IAB Standards publisher page on All Ad Specs.