Live Playlist Best Practices

 

The Live Playlist feature is used to broadcast simulated live events. This is when all videos within the playlist are pre-recorded, but the presentation appears as if it is broadcasting live and all interactivity such as chat and Q&A can be truly live during the broadcast.

When utilizing the Live Playlist feature, it’s very important to understand the best practices listed below to ensure your simulated live event is successful.

First time must be truly live
      If it is your first time running a Live Playlist on a particular channel, you must first “go live” from an encoder or from the IBM Video Streaming mobile app to initiate the channel (get it ready to support Live Playlists).

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      Here are quick links to the mobile apps you can use for this:
          Apple:
https://apps.apple.com/us/app/ibm-video-streaming/id1478683664
          GooglePlay:
https://play.google.com/store/apps/details?id=com.ibm.watsonmedia.videostreaming&hl=en_US&gl=US

 

First video should contain a buffer
      Because processing times can vary, Live Playlists may start up to 2 minutes after the scheduled start time. For this reason, we recommend that your first video should contain a count down or hold music and your actual presentation should start at least two minutes later.


Video properties should match
      Although you can add lots of different videos to the same List Playlist in the order you want them to be automatically played (typically following your set agenda for the event), each video’s properties should be the same as the others in the playlist. For example, if one video has closed captions in both English and Spanish, then all videos in the playlist should have captions in both English and Spanish. And, all videos in the playlist should have the same resolution. For example, if one video is 720p, they all should be 720p. The more identical your list of videos is, the less risk of anything going wrong as the playlist transitions automatically from one video to the next.


Turn live captioning off for the channel
      For simulated live events, because the content pre-recorded, your captions come from the VOD files, and do not leverage the Watson Live Captioning (WLC) feature that is normally used when broadcasting truly live events. For this reason, it’s important that you turn WLC off for the channel you will be using for Live Playlists. If you leave it on, it will disable the captions you’ve setup on the VODs. It’s a best practice to use the VOD captions because you can edit them in advance to make sure they are perfect and free from misspellings, etc.

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(Note:  VOD caption settings can be found by editing the VOD and clicking on the captions tab.)

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Add a closing buffer video at the end
    It’s a best practice to add a simple video at the end of your Live Playlist containing music as a gradual exit so your Live Playlist does not end too abruptly and people can exit your event while you still have your exit music or similar buffer video playing. It’s also common to switch to a truly live broadcast on the same channel immediately after the pre-recorded content is concluded. You’ll need this buffer video music to hold people’s attention during the few seconds it takes to seamlessly switch to your truly live broadcast.

 

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