How to Multistream in Vertical and Horizontal Mode on YouTube

Dedicated content creators are constantly seeking innovative ways to connect with their audience. One such method is multistreaming on YouTube in both vertical and horizontal modes. This approach caters to viewers' preferences, which can increase engagement and reach in the long run.

In this article, we'll guide you through setting up your streams using Streamlabs Desktop's Dual Output feature, ensuring you can broadcast to your audience in their preferred orientation.

Summary

Multistreaming on YouTube (streaming simultaneously on YouTube in both vertical and horizontal mode) is a great way to meet viewers where they are, on their preferred devices for viewing. The blog will cover:

What You Need

Before diving into the how-to, let's ensure you have everything required for a seamless setup:

  • Streamlabs Desktop: Powerful live streaming software equipped with Dual Output to multistream with varying canvas sizes.
  • YouTube Stream Key and URL: Unique identifiers essential for broadcasting your content on YouTube using streaming software.
  • Stream Overlay: While optional, overlays can add a professional touch and captivate your audience. Streamlabs’ Dual Output will help size overlays to fit both orientations.

Why You Should Stream Vertically and Horizontally on YouTube

Streaming in both orientations on YouTube offers significant benefits, including:

Adaption to Viewer Preferences: Allows viewers to enjoy content in their preferred orientation (and device), enhancing the user experience. This means more engagement, longer retention, and more for your live stream content.

Increased Accessibility: Streaming in both formats makes your content more accessible to viewers using various devices, from smartphones to smart TVs, ensuring a seamless viewing experience across all platforms.

Exposure via YouTube Shorts Feed: YouTube’s platform has been rolling out vertical live streaming, which shows up in the Shorts feed. In some cases, YouTube will detect the vertical orientation and push through this feed, which has historically seen billions of views per day.

How to Multistream in Vertical and Horizontal Mode on YouTube

Streamlabs Desktop’s Dual Output feature is a game-changer for creators looking to multistream. Below, we walk you through setting up this feature, from connecting platforms to going live.

Step 1: Download Streamlabs Desktop and connect your YouTube account when setting it up. Step 2: Next, go to the Settings menu and select Video. Here, toggle on the Enable Dual Output option in Streamlabs Desktop.


P.S. With Dual Output, you can completely tweak the settings for your vertical and horizontal live streams, making them as different as you need. Check out our Dual Output guide, which dives into everything that you can do with the feature.

Step 3: Before streaming, be sure to make sure what you see on your canvas is what you want viewers to see. Adjust each component within the vertical and horizontal preview windows to ensure your content appears exactly as intended on both layouts.

To show or hide any element on a specific canvas, hover over the item in the Sources Panel and toggle its visibility. If needed, any element can be removed entirely from your stream setup.

Step 4: Next, go to the lower right corner of your Streamlabs Desktop window and click the Go Live button.

Step 5: In the Go Live Window, make sure you have the native YouTube integration set up as one of your destinations (one of the orientations for Dual Output).  


Step 6: Next, you have to add YouTube again, but as an RTMP destination for whichever orientation slot you have left to fill.


Do so by finding your YouTube Stream Key and URL from your YouTube dashboard. Our YouTube stream key guide can help you find this.​​



Step 7
: Once you have YouTube added as both your horizontal and vertical destination, it’s showtime. Click Confirm & Go Live to get your YouTube Live multistream going.

P.S. When streaming vertically through the YouTube app, your live is likely to show up in the Short’s Feed. However, when streaming vertically from a third-party streaming software, your live’s vertical orientation may not always be detected to show up in the Shorts feed. However, when viewing the vertical version from a mobile device, viewers will see it vertically.

Whether via chat or when promoting on social media, be sure that viewers can get the link to the YouTube live orientation that they prefer. You can find the link to your live by clicking the camera icon in the live panel of Streamlabs Desktop (this will take you to the browser version of your live stream where you can copy the URL). Switch between the tabs to choose which version of your stream you wish to grab the link for.  

Using Streamlabs Desktop’s Dual Output feature, you can multistream via vertical and horizontal canvas on YouTube, enhancing viewer engagement while catering to a broader audience.

Happy streaming!

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