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Facebook Live optimal quality
Rank: Newbie
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Joined: 9/10/2018(UTC)
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Location: Portugal
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Hi there. I'm a very happy vMix user and fan. We are trying to reach the best image quality possible on our live streaming sessions to Facebook Live in the "encoder settings" stage. So my question is very specific: We use H264, 720p, 4mbps, FFMPEG. In the menu "Streaming Quality" > "Video" we than have " Profile (Baeline), " Level (3.1)" and " Preset (veryfast)". Should we change any of these 3 fields in order to improve the image quality? We have an excellent machine running vMix - https://www.vmix.com/pro...ce-systems.aspx#obsidian - so power is not a problem! Thank you! totalfreedom attached the following image(s):  vmix21_streaming_quality_settings.png (12kb) downloaded 30 time(s).You cannot view/download attachments. Try to login or register.
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Rank: Advanced Member
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Joined: 8/21/2015(UTC) Views messages in topic : 324   Location: Cornwall, Ontario, Canada Thanks: 18 times
Was thanked: 80 time(s) in 60 post(s)
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As per Facebook What are the video format guidelines for live streaming on Facebook? To Live stream on Facebook, follow these video format guidelines: Recommended max bit rate is 4000 Kbps (4 mbps). Max: 720p (1280 x 720) resolution, at 30 frames per second. An I-frame (keyframe) must be sent at least every 2 seconds throughout the stream. Titles must have fewer than 255 characters or the stream will fail. H264 encoded video and AAC encoded audio only. https://www.facebook.com/help/1534561009906955?helpref=faq_contenttotalfreedom wrote:Hi there. I'm a very happy vMix user and fan. We are trying to reach the best image quality possible on our live streaming sessions to Facebook Live in the "encoder settings" stage. So my question is very specific: We use H264, 720p, 4mbps, FFMPEG. In the menu "Streaming Quality" > "Video" we than have " Profile (Baeline), " Level (3.1)" and " Preset (veryfast)". Should we change any of these 3 fields in order to improve the image quality? We have an excellent machine running vMix - https://www.vmix.com/pro...ce-systems.aspx#obsidian - so power is not a problem! Thank you!
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Rank: Advanced Member
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Joined: 3/7/2012(UTC) Posts: 2,637 Location: Canada Thanks: 33 times
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Rank: Advanced Member
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Joined: 2/26/2014(UTC) Posts: 81 Location: Canada Thanks: 18 times
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Rank: Member
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Joined: 11/26/2018(UTC) Posts: 29  Location: Rome Thanks: 1 times
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Originally Posted by: daniel514  Strict CBR is important! Why?
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