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4K streaming

Does YouTube Live Support AV1 for 4K 60fps Streaming?

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Yes—YouTube Live accepts AV1 for 4K/2160p at 60 fps in SDR. YouTube’s current encoder settings give AV1/H.265 a bitrate range of 10–40 Mbps at that resolution and frame rate. AV1 is not supported for HDR; YouTube’s HDR guidance specifies H.265/HEVC instead.

AV1 4K60 settings for YouTube Live

YouTube’s live encoder settings list AV1 as an accepted video codec and frame rates up to 60 fps. The settings relevant to an AV1 4K60 SDR stream are:

Setting YouTube guidance
Resolution and frame rate 4K/2160p at 60 fps
Video codec AV1
Bitrate 10 Mbps minimum; 40 Mbps maximum for AV1/H.265 at 4K/2160p 60 fps
Bitrate encoding CBR
Keyframe interval Two seconds recommended; no more than four seconds
Transport protocol RTMP or RTMPS; YouTube recommends RTMPS
AV1 tiling At least two tile columns for resolutions of 3840×2160 and above
HDR AV1 is not supported for HDR

These are the values on YouTube’s settings page; it does not display a publication or revision year, so check the page before configuring a new encoder. The page’s 35 Mbps recommendation for 4K/2160p 60 fps is for H.264, not AV1.

AV1 support does not include HDR

YouTube’s encoder settings explicitly state, “AV1 is not supported for HDR.” Its HDR streaming guidance says YouTube Live HDR is currently supported only with H.265 (HEVC). Choose AV1 for a 4K60 SDR stream; if your production must be HDR, use an encoder and workflow that meet YouTube’s HEVC requirements instead.

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What to check in an AV1 encoder

  • Confirm that the encoder can output AV1 at 3840×2160 and 60 fps, rather than assuming that 4K or AV1 support individually guarantees the combination.
  • Check that it exposes the bitrate and CBR controls needed for YouTube’s stated range, plus a two-second keyframe interval.
  • For 4K or higher AV1 output, verify that the encoder can provide at least two tile columns.
  • Ensure the upload connection can sustain the selected bitrate consistently. The bitrate range is not a guarantee that a particular internet connection or encoder will deliver a stable stream.
  • Use RTMPS where available, as YouTube recommends it.

YouTube’s encoder overview describes software and standalone hardware encoders, but its examples of products supporting 4K60 do not establish AV1 4K60 capability. Verify the exact codec, resolution, frame rate, tiling, and bitrate controls in a device’s own specifications before buying or relying on it.

Streaming an uploaded video continuously instead

If your goal is a 24/7 YouTube channel playing pre-recorded videos, rather than a live AV1 production from an encoder, StreamNeo is a cloud option: upload a recording or make a playlist, add your YouTube stream key once, and go live. It loops uploaded video from the cloud, so your computer does not have to stay on. StreamNeo streams to YouTube and is not a camera-live service. Its accepted upload quality is streamed as made, up to 4K 60fps, with one flat price per slot.

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Or let it run in the cloud

Upload your video or playlist, add your YouTube stream key, and go live. Nothing has to stay on at home; each slot supports any uploaded quality up to 4K 60fps at one price, with automatic recovery if YouTube drops the stream. The first day is free with no card. Monthly pricing is $9.99 per month. See StreamNeo for details, or start the free day.

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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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