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If YouTube Live says your bitrate is too low, match your encoder’s bitrate to the stream’s resolution, frame rate, and codec—then confirm your upload connection can sustain the stream. For example, YouTube’s recommended H.264 bitrate is 14 Mbps for 1080p at 30 fps or 17 Mbps for 1080p at 60 fps. If your upload capacity cannot support the setting, lower the resolution and use the corresponding bitrate.
Choose the right YouTube Live bitrate
Use YouTube’s live encoder settings and bitrate table, not its separate recommendations for uploading a finished video. Live guidance recommends constant bitrate (CBR); upload guidance uses different figures and recommends variable bitrate. The live values below are the minimum and recommended encoder bitrates, in Mbps. Select the row that matches your actual output and the column for your encoder’s codec.
| Live resolution and frame rate | AV1 or H.265: minimum / recommended | H.264: minimum / recommended |
|---|---|---|
| 2160p (4K), 60 fps | 10 / 35 Mbps | 14 / 50 Mbps |
| 2160p (4K), 30 fps | 8 / 30 Mbps | 11 / 42 Mbps |
| 1440p, 60 fps | 6 / 24 Mbps | 8 / 34 Mbps |
| 1440p, 30 fps | 5 / 15 Mbps | 7 / 21 Mbps |
| 1080p, 60 fps | 4 / 12 Mbps | 6 / 17 Mbps |
| 1080p, 30 fps | 4 / 10 Mbps | 5 / 14 Mbps |
| 720p, 60 fps | 2 / 6 Mbps | 3 / 8 Mbps |
| 720p, 30 fps | 2 / 6 Mbps | 3 / 8 Mbps |
| 480p, 30 fps | 0.3 / 3 Mbps | 0.4 / 4 Mbps |
| 360p, 30 fps | 0.3 / 3 Mbps | 0.4 / 4 Mbps |
These are YouTube Help’s live ingest figures, checked October 3, 2026; YouTube may revise them. The recommended value is the appropriate target when your connection and encoder can sustain it. The minimum is not a promise of good-looking video: the result also depends on the content and conditions of the stream.
Example: 1080p
- H.264 at 1080p30: set 14 Mbps as the recommended target; YouTube lists 5 Mbps as the minimum.
- H.264 at 1080p60: set 17 Mbps as the recommended target; the minimum is 6 Mbps.
- AV1 or H.265 at 1080p30: the recommended target is 10 Mbps; the minimum is 4 Mbps.
- AV1 or H.265 at 1080p60: the recommended target is 12 Mbps; the minimum is 4 Mbps.
Do not copy a value just because it is commonly used for the same resolution. Codec and frame rate change the matching recommendation.
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Set the encoder’s live-stream options
First confirm what YouTube is receiving. In Live Control Room, check the selected ingestion resolution and frame rate. YouTube detects these automatically by default. With a custom stream key, manual resolution settings are available. Then check the encoder settings against the matching live-table row.
- Protocol: RTMP or RTMPS.
- Video codec: H.264, H.265, or AV1, using the bitrate column for that codec.
- Rate control: CBR (constant bitrate).
- Keyframe interval: two seconds recommended, and no more than four seconds. Enter seconds if that is what your encoder requests. At 30 fps, two seconds equals 60 frames.
- Frame rate: no more than 60 fps, and consistent with the resolution and bitrate you selected.
- Audio: AAC or MP3; YouTube recommends stereo at 128 Kbps.
- Color for SDR: Rec. 709.
Use a supported codec and check the codec profile, audio codec and sample rate, resolution, frame rate, and keyframe frequency if the warning continues. These can affect stream health even when the displayed video bitrate looks right.
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Check whether your upload connection can carry the stream
The encoder’s target must fit the upload bandwidth actually available to the stream. YouTube advises leaving 20% headroom: “The total bitrate you’re streaming cannot exceed the amount of upload bandwidth available. Leave a bit of room (20% recommended).” This is YouTube’s recommendation, not a guarantee that a connection will be stable.
- Run a speed test and look at upload speed, not just download speed. Download can be much faster than upload.
- Compare available upload capacity with the stream’s total bitrate, including audio, and leave the recommended 20% room.
- Account for other people and devices using the same connection; their activity can reduce the bandwidth available to your encoder.
- If the connection cannot sustain the bitrate for your chosen resolution, lower the resolution and choose the matching bitrate from YouTube’s live table.
YouTube’s error guidance puts the fallback plainly: “If you don’t have enough bandwidth for the resolution that you chose, consider lowering your chosen resolution.” A faster download result by itself does not establish that your upload is sufficient.
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Test before you go live
- Apply the matching resolution, frame rate, codec, CBR bitrate, and keyframe interval in your encoder.
- Test with audio and movement similar to the real stream. A static scene may not reveal problems that appear when motion or audio is present.
- Check the Live Control Room preview and stream health, and read warnings with their timestamps while the test runs.
- If the bitrate warning persists, recheck the ingest settings and upload capacity rather than changing unrelated options at random.
YouTube advises: “Make sure to test before you start your live stream.”
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why YouTube may still show a low-bitrate warning
The resolution, frame rate, or codec does not match the bitrate
A bitrate can be reasonable for one output and too low for another. Verify the actual ingest resolution and frame rate in Live Control Room, identify the encoder’s video codec, and compare all three with the live table. A 1080p60 H.264 stream, for instance, has a higher recommended bitrate than 1080p30 H.264.
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The upload connection is variable or shared
A speed test that shows adequate capacity once does not mean the stream has that capacity throughout the broadcast. Other network users, competing device traffic, or an unreliable connection may reduce what is available. Test under realistic network use and keep the recommended headroom.
A different stream setting is invalid
YouTube’s error guidance also flags video codec or profile, audio codec or sample rate, resolution, excessive frame rate, and keyframe frequency. Check those settings against YouTube’s live requirements. For a keyframe interval expressed in frames, convert the two-second target using your frame rate—for example, 60 frames at 30 fps.
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Do not use upload-video bitrates for a live stream
YouTube’s separate video upload encoding recommendations address finished files, not live ingest. For example, its SDR upload reference recommends 8 Mbps for 1080p at standard frame rates and 12 Mbps at high frame rates, and describes variable bitrate; it says no upload bitrate limit is required. Those figures are not substitutes for the live table, which recommends CBR and has codec-specific values.
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