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About Carousel Format

This article covers the use cases, creative specifications, and best practices for the Streaming Carousel format in Nova Studio.

📄 Download Streaming Carousel ad anatomy and spec sheet here

Help Center - Template (2)

Deliver a visually rich, multi-frame storytelling experience using photos or videos with an interactive ad format that converts engagement into outcomes.

Best used for:

  • Brands with more photos than videos available
  • Showcasing multiple products or services
  • Mid-funnel and lower-funnel campaigns
  • Retail, Travel, Ecommerce, and Beauty brands

Creative Specifications 

Have your media assets, logo, background image, and audio ready before you start:

Asset

Specifications 

  
Media Asset
  • Up to 10 images or videos per ad
  • Images: .JPG or .PNG, any aspect ratio, min 500px wide or tall
  • Videos: .MP4 or .MOV, min 720p, max 100MB, any aspect ratio
  • Note: First asset determines scroll direction: wider than tall = right to left; taller than wide = bottom to top
  • Aspect ratios do not need to match across assets
  
Audio
  • Upload a custom audio track or choose from the royalty-free audio library
  • For creatives with video: background audio will overlap with video audio unless video is muted
  

Logo
  • Opacity: 0–100% (default: 80%)
  • Color: hex code (default: white)
  

Headline (Optional)
  • Auto-imports as icon from social post
  • Optional: upload full-sized logo to replace icon
  • Minimum size: 200px H or W
  • Recommended: .PNG with transparent background
  

📌  Streaming Carouel shares base VAST creative specifications with all Nova Studio formats. For headline, caption, CTA, QR code see VAST Creative Specifications

Adjust Slide Duration

The Streaming Carousel includes a duration control that lets you set the total length of the creative and customize how long each slide appears.

  • Choose a standard creative length (6, 15, or 30 seconds, or 1 minute) or set a custom duration
  • Photo slide durations auto-adjust to split evenly across the available time (minimum 1 second per slide)
  • Video slide durations are fixed by the video length; use the clip tool to shorten a video if needed
  • Total creative duration = photo slide durations + video durations + animation/transition time

💡 If your video is longer than the target creative duration, clip it first before setting the total length. Photo slides will then fill the remaining time.

Best Practices 

  • Lead with your strongest visual as slide #1 — it sets the scroll direction and is the first thing viewers see
  • Use high-performing social content — existing engagement signals are the best indicator of what will resonate on-screen
  • Keep your headline to 6 words or fewer for best readability at scale
  • For video-heavy carousels, mute video audio and use a single background audio track to keep the experience cohesive
  • Use the instant preview to check text length and layout before rendering — font size and style affect how much fits

Can't Find What You're Looking For?

If your assets don't meet the specifications above or you need help with your upload, contact our support team at support@novastudio.ai