NBCUniversal Podcast — Pre-roll (Client-Recorded) ad specs

NBCUniversal Podcast — Pre-roll (Client-Recorded) ads are audio files, up to 15 seconds long, delivered as WAV, AIF, FLAC, ALAC, AAC, or MP3. They run in the Podcast Pre-roll placement on NBCUniversal. Master audio at MP3 128 Kbps CBR (delivered as transcoded) and 256 kbps for consistent loudness.

Visual specifications

Orientationany
File typesWAV, AIF, FLAC, ALAC, AAC, MP3

Video & audio

Max duration15 sec
Audio codecMP3 128 Kbps CBR (delivered as transcoded)
Audio channelsstereo (2)
Audio bitrate256 kbps
Sample rate44100 Hz
Bit depth16-bit

Notes & source

Pre-roll fixed at 15 seconds. Preferred uncompressed WAV (2-channel, 16-bit little-endian, 44.1 kHz) or AIF; FLAC, ALAC, 256 Kbps AAC or MP3 also accepted. All files transcoded to MP3 128 Kbps CBR / 2-channel stereo. Assets due 5 business days before launch. No file size limit.

Official source: https://nbcu-creative-guidelines.scroll.site/nbcuniversal-creative-guidelines/nbcu-podcast-ad-guidelines-specifications

Frequently asked questions

How long can a NBCUniversal Podcast — Pre-roll (Client-Recorded) audio file be?
NBCUniversal Podcast — Pre-roll (Client-Recorded) audio can run up to 15 seconds.
Which file formats does NBCUniversal Podcast — Pre-roll (Client-Recorded) accept?
NBCUniversal Podcast — Pre-roll (Client-Recorded) accepts WAV, AIF, FLAC, ALAC, AAC, and MP3 files.
What codec should NBCUniversal Podcast — Pre-roll (Client-Recorded) ads use?
Encode NBCUniversal Podcast — Pre-roll (Client-Recorded) with MP3 128 Kbps CBR (delivered as transcoded).
What is the NBCUniversal Podcast — Pre-roll (Client-Recorded) ad format?
NBCUniversal Podcast — Pre-roll (Client-Recorded) is a audio ad format that runs in the Podcast Pre-roll placement on NBCUniversal. This page documents its full creative requirements, sourced from NBCUniversal's official ad documentation.
Where does NBCUniversal Podcast — Pre-roll (Client-Recorded) appear on NBCUniversal?
NBCUniversal Podcast — Pre-roll (Client-Recorded) ads appear in the Podcast Pre-roll placement on NBCUniversal.
How does NBCUniversal Podcast — Pre-roll (Client-Recorded) compare to other NBCUniversal ad formats?
NBCUniversal Podcast — Pre-roll (Client-Recorded) differs from other NBCUniversal placements in its dimensions, its 15-second duration limit. Compare side-by-side from the NBCUniversal publisher page on All Ad Specs.
Where can I find the official NBCUniversal Podcast — Pre-roll (Client-Recorded) documentation?
The official source for NBCUniversal Podcast — Pre-roll (Client-Recorded) requirements is https://nbcu-creative-guidelines.scroll.site/nbcuniversal-creative-guidelines/nbcu-podcast-ad-guidelines-specifications, linked from this page.
Are these NBCUniversal Podcast — Pre-roll (Client-Recorded) specs kept up to date?
Yes — every spec entry references NBCUniversal's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.