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Recommended 4K 60fps settings at a glance
| Setting | Recommended starting point |
|---|---|
| Resolution and frame rate | 4K/2160p at 60 fps |
| Video codec and bitrate | H.264: 50 Mbps recommended, 14 Mbps minimum; H.265/HEVC: 35 Mbps recommended, 10 Mbps minimum; AV1: 35 Mbps recommended, 10 Mbps minimum |
| Rate control | CBR |
| Keyframe interval | 2 seconds recommended; do not exceed 4 seconds |
| Protocol | RTMP or RTMPS; YouTube recommends RTMPS |
| Pixel aspect ratio and scan | Square pixels; progressive scan |
| Frame structure | 2 B-frames and 1 reference frame |
| Entropy coding | CABAC |
| SDR color | Rec. 709, 8-bit |
| HDR color | H.265/HEVC, 10-bit; AV1 is not supported for HDR in YouTube’s guidance |
| Audio | AAC or MP3. Stereo: 44.1 kHz, 128 kbps. 5.1: 48 kHz, 384 kbps; 5.1 over RTMP/RTMPS requires AAC. |
These are YouTube’s published encoder recommendations and minimums in its current Help guidance accessed in 2026, not results from a controlled codec-quality test. See YouTube’s live encoder settings guidance.
Choose a codec and bitrate
H.264: broad, straightforward target
Set the video bitrate to 50 Mbps for YouTube’s recommended 4K60 H.264 ingest target. The listed minimum is 14 Mbps, but a minimum is not the same as the recommended target for this format.
H.265/HEVC or AV1: lower listed target
YouTube lists 35 Mbps as the recommended 4K60 bitrate for both HEVC and AV1, with 10 Mbps as the minimum. Choose one only if your encoder supports it and your production workflow is configured to send that codec. YouTube’s bitrate figures alone do not establish that either will look better than H.264 in every setup.
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For HDR, use the HDR-specific guidance
YouTube’s cited guidance specifies H.265/HEVC at 10-bit for HDR and says AV1 is not supported for HDR. For AV1 at 3840×2160 and above, YouTube lists a minimum of two tile columns. For SDR, use Rec. 709 at 8-bit.
Set the encoder options
- Set output format: choose 3840×2160 (4K/2160p) and 60 fps. YouTube usually detects resolution and frame rate automatically; if you need to choose them manually, create a custom stream key and enable manual settings under Stream Resolution.
- Select the ingest protocol: use RTMPS where your encoder supports it. RTMPS is YouTube’s recommended secure extension to RTMP.
- Choose video codec and bitrate: set H.264 to 50 Mbps, or HEVC/AV1 to 35 Mbps, as the recommended 4K60 targets. Keep the bitrate at a level your upload connection can sustain reliably.
- Set rate control and keyframes: choose CBR and set the keyframe interval to 2 seconds. Do not exceed 4 seconds.
- Check picture structure: use square pixels, progressive scan, 2 B-frames, 1 reference frame, and CABAC entropy coding.
- Configure color: for SDR select Rec. 709, 8-bit. For HDR follow YouTube’s HEVC 10-bit guidance.
- Configure audio: use AAC or MP3. For stereo, set 44.1 kHz and 128 kbps. For 5.1, set 48 kHz and 384 kbps; use AAC for 5.1 over RTMP/RTMPS.
- Connect to YouTube: enter the stream key in your encoder and start a private or otherwise appropriate test stream before the event.
Check connection capacity and rehearse
The video bitrate is sustained upload traffic, with audio and protocol overhead adding to the total. YouTube advises choosing a quality your internet connection can reliably support and checking upload bitrate before the event. A connection that only just reaches the configured video bitrate leaves little room for fluctuation; use a stable connection and validate it under the conditions you expect to stream.
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Rehearse with movement and audio similar to the real programme, rather than relying on a static test image. YouTube specifically advises: “Make sure to test before you start your live stream. Tests should include audio and movement in the video similar to what you’ll be doing in the stream.” During the event, watch stream health and read any encoder or Live Control Room warnings.
Latency and live expectations at 4K
YouTube says the option to improve for low latency is unavailable for 4K/2160p streams. These streams are optimized for quality and use normal latency, so do not expect the low-latency setting to be selectable at this resolution.
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Troubleshooting common 4K60 problems
Stream health reports an unstable connection
Check whether the available upload bitrate can reliably sustain the configured video bitrate plus audio and overhead. Test the connection again and lower the stream quality or bitrate if the connection cannot hold the target consistently.
YouTube or the encoder reports an ingest mismatch
Verify the chosen codec matches the bitrate target, the stream key is correct, and the encoder is sending the selected resolution, frame rate, and protocol. If you need manual resolution selection in YouTube, use a custom stream key and enable manual settings under Stream Resolution.
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Keyframe or rate-control warning
Set rate control to CBR and keyframes to 2 seconds; confirm the interval does not exceed 4 seconds.
HDR does not appear as expected
Check that the output is configured for HDR using HEVC at 10-bit. AV1 is not supported for HDR in YouTube’s cited guidance.
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Audio is missing or surround audio fails
Confirm that the encoder is using AAC or MP3 and the appropriate sample rate and bitrate. For 5.1 audio over RTMP/RTMPS, use AAC rather than MP3.
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