Live encoder settings, bitrates and resolutions

 

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Based on your available outbound bandwidth, choose the one quality from below that you can reliably stream.  YouTube will automatically create all of the lower qualities.

Be sure to test with content similar to your live show.  For example, tests should include audio and movement in the video.  During the event, monitor the stream health and review messages here.  

1440p @60fps
  • When scheduling Events, be sure to check the 60fps box in the Ingestion Settings tab. Stream now Beta will auto-detect the frame rate and resolution.
  • Resolution:  2560x1440
  • Video Bitrate Range:  9,000 - 18,000 Kbps
1440p @30fps
  • Resolution:  2560x1440
  • Video Bitrate Range:  6,000 - 13,000 Kbps
1080p @60fps
  • When scheduling Events, be sure to check the 60fps box in the Ingestion Settings tab. Stream now Beta will auto-detect the frame rate and resolution.
  • Resolution:  1920x1080
  • Video Bitrate Range:  4,500 - 9,000 Kbps
1080p
  • Resolution:  1920x1080
  • Video Bitrate Range:  3,000 - 6,000 Kbps
720p @60fps
  • When scheduling Events, be sure to check the 60fps box in the Ingestion Settings tab. Stream now Beta will auto-detect the frame rate and resolution.
  • Resolution:  1280x720
  • Video Bitrate Range:  2,250 - 6,000 Kbps
720p
  • Resolution:  1280x720
  • Video Bitrate Range: 1,500 - 4,000 Kbps
480p
  • Resolution:  854x480
  • Video Bitrate Range:  500 - 2,000 Kbps
360p
  • Resolution:  640x360
  • Video Bitrate Range: 400 - 1,000 Kbps
240p
  • Resolution:  426x240
  • Video Bitrate Range: 300 - 700 Kbps
     

Encoder settings

Protocol: RTMP Flash Streaming
Video codec: H.264, 4.1
Frame rate: up to 60 fps
Keyframe frequency:

Recommended 2 seconds

do not exceed 4 seconds

Audio codec: AAC or MP3
Bitrate encoding: CBR
 

Recommended advanced settings

Pixel aspect ratio: Square
Frame types: Progressive Scan, 2 B-Frames, 1 Reference Frame
Entropy coding: CABAC
Audio sample rate: 44.1 KHz
Audio bitrate: 128 Kbps stereo
 
HTML5 streaming:  Many browsers support HTML5 and either the H.264 video codec or WebM format.
Live events are automatically available on iOS, Android 4.0+, game console devices and mobile devices via the YouTube app and m.youtube.com.
Looking for the 360 live streaming spec. Click here.

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