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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchFor a finished video sent into a YouTube Live event, use CBR (constant bitrate) and choose a target bitrate from YouTube’s Live encoder guidance for your codec, resolution, and frame rate—not a CRF value. YouTube’s Live settings specify CBR but do not prescribe a CRF number or a general CRF-to-bitrate conversion. If you are encoding a file for an ordinary YouTube upload, that is a different workflow: YouTube recommends variable bitrate for uploads.
First decide: live ingest or ordinary upload?
A pre-rendered documentary or other finished video does not change YouTube’s ingest requirements when it is played into a Live event. YouTube receives it as a live feed, so use the Live encoder guidance. For that workflow, YouTube Help says “Bitrate encoding: CBR” and recommends a bitrate according to codec, resolution, and frame rate. YouTube’s Live encoder settings do not name a CRF setting.
If you are instead encoding a file to upload as a normal video, use YouTube’s separate upload recommendations. That page recommends variable bitrate and gives reference values by resolution and frame rate. Those upload figures are not targets for a Live feed. A video can be encoded for upload first and later used in a Live production; choose settings for each stage according to how YouTube will receive it.
What target bitrate should you use for Live?
Choose the row matching your output codec, resolution, and frame rate in YouTube’s current Live encoder guidance. The H.264 recommendations below are YouTube’s published figures, current guidance accessed October 3, 2026. They are recommendations, not one bitrate that applies to every stream.
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| H.264 output | YouTube Live recommended bitrate |
|---|---|
| 720p30 | 8 Mbps |
| 720p60 | 8 Mbps |
| 1080p30 | 14 Mbps |
| 1080p60 | 17 Mbps |
| 1440p30 | 21 Mbps |
| 1440p60 | 34 Mbps |
| 2160p30 | 42 Mbps |
| 2160p60 | 50 Mbps |
These figures are for H.264. YouTube publishes different recommendations for AV1 and H.265 (HEVC); for example, its 1080p30 recommendation is 10 Mbps for AV1/H.265 and 14 Mbps for H.264, while at 1080p60 it is 12 Mbps for AV1/H.265 and 17 Mbps for H.264. Use the codec-specific row in the current YouTube table rather than transferring an H.264 number to another codec.
Why not use CRF for the Live feed?
CRF is a quality-based encoding mode; its output bitrate can vary with the content. YouTube’s cited Live guidance instead calls for CBR. It does not say that CRF is forbidden in every encoder or explain how a CRF value maps to an acceptable Live bitrate. For a Live ingest workflow, the actionable recommendation is to set CBR and the applicable target bitrate. Do not present a particular CRF number as YouTube’s recommended Live setting.
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If your encoder offers CRF but not CBR for the output path you intend to use, check that encoder’s documentation for a mode that can meet YouTube’s Live requirements. Do not assume a CRF encode will stay within a chosen target bitrate: variable output can exceed it on complex scenes or fall below it on simpler ones.
When encoding the file for ordinary upload
For a standard YouTube upload, YouTube’s recommended upload encoding settings call for variable bitrate and provide reference values. For SDR H.264 uploads, the page lists 8 Mbps for 1080p at 24, 25, or 30 fps, and 12 Mbps for 1080p at 48, 50, or 60 fps. At 2160p, it lists 35–45 Mbps for standard frame rates and 53–68 Mbps for high frame rates. These are upload references, not Live ingest targets, and should not be substituted for the Live table above.
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Set the other Live encoder parameters
- Codec: YouTube’s Live guidance lists H.264, H.265 (HEVC), and AV1. Select the matching bitrate recommendation for the codec you actually send.
- Frame rate: YouTube’s guidance supports up to 60 fps. Match the output frame rate to the source and the intended stream; use the corresponding row in the bitrate table.
- Keyframes: Set a two-second keyframe frequency. YouTube recommends two seconds and says not to exceed four seconds.
- Audio: YouTube lists AAC or MP3 audio for Live encoder settings.
- Rate control: Use CBR for the Live feed, with the target selected from the appropriate Live recommendation.
These settings are in YouTube Help’s Live encoder guidance. Encoder interfaces label the controls differently, so look for rate control/bitrate encoding, keyframe interval or GOP, codec, output resolution, frame rate, and audio encoding.
Test the stream and leave bandwidth headroom
- Confirm whether the output is a Live feed or an ordinary file upload.
- Choose the output codec, resolution, and frame rate; find that exact combination in YouTube’s Live bitrate guidance.
- Set CBR to the recommended target and set the keyframe interval to two seconds, never exceeding four seconds.
- Run a test before the event using representative footage, including the fastest motion and most detailed scenes in the program. Check the YouTube stream health information and confirm that video and audio behave as expected.
- Check available upload bandwidth against the total stream bitrate. YouTube’s network tips recommend leaving 20% headroom rather than running at the full capacity of the connection. See YouTube’s streaming tips.
A bitrate that matches YouTube’s recommendation can still fail if the network cannot sustain it. If stream health shows delivery problems, verify the actual upload capacity and competing network use, then reduce the output resolution or frame rate and select the matching recommended bitrate if necessary. Test the changed settings before relying on them for an event.
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Troubleshooting common encoding problems
- The stream is unstable or drops frames: Check whether available upload bandwidth can sustain the total bitrate with the recommended headroom. Pause competing uploads or use a lower resolution/frame rate and its corresponding Live bitrate.
- The encoder’s output does not match the Live recommendation: Confirm codec, resolution, and frame rate first. A number intended for H.264 or 1080p30 does not automatically apply to H.265, AV1, or 1080p60.
- Keyframes are too far apart: Set the keyframe frequency to two seconds and ensure it does not exceed four seconds.
- You are unsure whether CRF is appropriate: Check whether the chosen output is a Live feed. For Live, configure CBR; for a normal upload, follow YouTube’s separate variable-bitrate guidance.
- A test looks different from the final event: Test representative motion and audio, not just a static opening frame, and check stream health during the test.
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