CTV Video
Published format-level guidance.
Required
Not specified by platform
Recommended
Not specified by platform
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
Streaming TV
Limited DocumentationDirect linkIAB Digital Video and CTV Ad Format Guidelines are the cross-publisher reference; individual publishers can impose stricter technical profiles.
Required
- Click Attributes
- Remove any click attributes before reusing a video asset as CTV creative; CTV is sound-on by definition
Recommended
- Aspect Ratio
- 16:9 preferred; no letterboxing, pillarboxing, or anamorphic content
- Resolution
- 1920x1080 for the 1080p HD tier pixels
- Video Codec
- H.264 in MP4; VAST 4.x for delivery
- Bitrate
- 2,500–3,500 kbps at 1080p; CTV vendors can require far higher bitrates (15,000–30,000 kbps) — check with publishers
- Frame Rate
- Maintain the source frame rate (23.976, 25, or 29.97 fps); no frame-rate conversion or 3:2 pulldown
- Audio
- AAC-LC 128–192 kbps stereo at 44.1/48 kHz; loudness -24 LKFS ±2 dB (US) / -23 LUFS ±1 (EU); peak at or below -6 dB true peak
- Mezzanine
- 50 Mbps VBR ProRes or H.264 MOV/MP4 at 1920x1080; SSAI platforms require mezzanine-quality uploads; no slate, bars, or tone
- Duration
- CTV inventory typically sells 15-, 30-, or 60-second formats (pre/mid/post-roll) seconds
- Transcoding
- Upload the CTV creative once; StackAdapt handles transcoding and technical spec compatibility across supported publishers
- Spec Deferral
- StackAdapt officially defers to the IAB digital video and CTV ad format guidelines for general format and spec information
Placement-dependent
- Upload Limits
- Verification required — StackAdapt publishes no public numeric upload limits; confirm current requirements in the platform console before delivery.
Cphere best practice
Not specified by platform