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Recommended MediaLive starting settings for YouTube
This is a baseline for a conventional SDR stream, not a guarantee of uninterrupted operation. Match the output to your source and channel requirements rather than selecting the highest available setting by default.
| Setting | Starting point | How to choose |
|---|---|---|
| Destination protocol | RTMPS | YouTube recommends RTMPS for encrypted delivery. Use it when the MediaLive output and account workflow support it. YouTube encoder guidance |
| Video codec | H.264 | A straightforward choice for conventional SDR. YouTube also lists H.265 and AV1 support, but confirm that the codec is supported by your complete MediaLive output path and chosen workflow. YouTube encoder guidance |
| Resolution and frame rate | Match the source and intended presentation, up to 60 fps per YouTube guidance | Do not upscale or choose 60 fps automatically if the source does not provide or need it. |
| Rate control | CBR | YouTube lists CBR for live encoder settings. MediaLive also offers QVBR and VBR; use alternatives only when the workflow has been tested and their variable-rate behavior is appropriate. MediaLive API reference |
| GOP / keyframe interval | 2 seconds | Set MediaLive GOP size to two seconds. YouTube recommends two seconds and says the interval should not exceed four seconds. YouTube encoder guidance |
| Audio | AAC | Choose sample rate and channel layout to suit the program audio and input mode. YouTube also lists MP3. YouTube encoder guidance |
| Pixel aspect ratio and scan | Square pixels; progressive scan | These are among YouTube’s recommended advanced settings. YouTube encoder guidance |
In MediaLive, the relevant controls include GOP size and units, frame-rate numerator and denominator, rate-control mode, maximum bitrate, and codec-specific quality settings. The exact console layout can change; consult the MediaLive channel API reference for the control definitions.
What bitrate should you use for YouTube Live?
Use the row for your actual H.264 output resolution and frame rate. The figures below are YouTube’s published recommended ingest rates, not independently measured MediaLive targets; do not substitute figures from YouTube’s separate AV1 or H.265 columns. The current YouTube encoder-settings page was accessed on October 3, 2026. Source: YouTube
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| H.264 output | YouTube recommended ingest bitrate | Published minimum |
|---|---|---|
| 720p30 | 8 Mbps | 3 Mbps |
| 720p60 | 8 Mbps | 3 Mbps |
| 1080p30 | 14 Mbps | 5 Mbps |
| 1080p60 | 17 Mbps | 6 Mbps |
| 1440p30 | 21 Mbps | 7 Mbps |
| 1440p60 | 34 Mbps | 8 Mbps |
| 2160p30 | 42 Mbps | 11 Mbps |
| 2160p60 | 50 Mbps | 14 Mbps |
The minimums are floor recommendations, not preferred targets. Set the MediaLive output to the recommended value for the selected H.264 format unless your tested workflow gives you a reason to choose differently. A bitrate value cannot be carried over blindly between codecs, resolutions, or frame rates.
How to choose MediaLive rate control
CBR: the YouTube-facing default
YouTube lists constant bitrate (CBR) in its live encoder guidance, so it is the clearest starting choice for a YouTube-bound output. It maintains a steadier output rate than a mode that varies with picture complexity.
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QVBR: quality target with a ceiling
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VBR: rate varies with content complexity
Variable bitrate (VBR) changes bitrate with video complexity. AWS says VBR is recommended instead of QVBR when you need a specific average bitrate; YouTube’s separate live guidance still lists CBR. If you depart from CBR, test the full delivery path and confirm that the resulting rate behavior suits the channel.
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Optional enhanced quality
AWS says ENHANCED_QUALITY may provide slightly better video quality without increasing bitrate when used with QVBR or CBR, but it might increase channel costs. Treat it as an optional quality-and-cost choice, not a required YouTube setting. AWS MediaLive API reference
Should you use RTMPS or HLS?
RTMPS for a conventional SDR channel
RTMPS is YouTube’s recommended baseline for encrypted delivery to its servers. For an ordinary SDR channel, it is the natural starting protocol when your MediaLive output and account workflow support it. YouTube says it automatically transcodes live streams into multiple output formats so viewers on different devices and networks can watch. YouTube encoder guidance
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HLS for particular HDR requirements
HDR needs its own tested workflow. YouTube recommends H.265 over RTMP(S) for HDR and says HLS may be considered if the encoder does not support the required capabilities over RTMP. AWS’s example for 4K HDR uses an HLS output group rather than an RTMP output group. That is a specific HDR case, not a reason for every 24/7 channel to use HLS. YouTube encoder guidance AWS 4K HDR HLS tutorial
AWS published that tutorial on April 14, 2021. Its example uses a YouTube HLS endpoint, HLS Basic Put, two-second segments, 3840×2160 HEVC at 20 Mbps and 59.94 fps, a two-second GOP, HDR10, and AAC audio. It is a concrete example for that HDR workflow, not a current general-purpose template. Its 20 Mbps HEVC HDR value should not be compared as though it were a YouTube H.264 4K SDR recommendation.
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Configure the input specification for the actual source
MediaLive input specifications affect billing and resource allocation. AWS advises selecting a codec, resolution tier, and bitrate that meet or exceed the most demanding inputs the channel will receive; allocating insufficient resources can degrade output. Because input characteristics vary by feed, there is no universal input specification to copy without checking the source. AWS Elemental MediaLive User Guide
For a 24/7 channel, settings are only part of the design. Choose an input and operational approach appropriate to the source and the availability the channel needs. The cited guidance does not establish one universal failover design, so do not assume a particular input arrangement guarantees continuous operation.
Preflight checks and stream-health monitoring
- Confirm the destination settings. Verify the selected protocol, codec, resolution, frame rate, and target bitrate against the YouTube stream configuration.
- Check timing and audio. Confirm the GOP is two seconds, the stream is progressive with square pixels, and the selected AAC sample rate and channel layout match the program.
- Test representative content. Preview scenes with typical motion and sound, including the most demanding gameplay or video you expect to run. Check for visible artifacts, audio problems, or unstable delivery.
- Inspect YouTube stream health. Monitor YouTube’s stream health during the test and after going live; a successful encoder configuration alone does not prove the whole channel is operating as intended. YouTube encoder guidance
- Recheck after changes. Repeat the test if you change the source, output format, bitrate, codec, or delivery protocol.
Common problems and what to check
- Stream health reports a weak or unstable incoming feed: check that MediaLive output bitrate matches the selected format, that the upstream feed can sustain its configured rate, and that the output protocol and YouTube destination are correctly set.
- Video looks soft or breaks up during motion: verify that you selected the bitrate row matching resolution and frame rate, then test demanding motion. Avoid treating an H.264 recommendation as an AV1 or H.265 target.
- Playback or compatibility issues: confirm the codec and protocol are supported by the end-to-end workflow. For conventional SDR, H.264 over RTMPS is the baseline; HDR may require a different codec and delivery path.
- Audio is missing or mismatched: check the MediaLive audio encoder, sample rate, channel layout, and input audio mapping against the actual program.
- Output degrades when the source changes: compare the new feed’s codec, resolution tier, and bitrate with the MediaLive input specification. AWS warns that insufficient resource allocation can degrade output.
- Unexpected channel costs: review the input specification and optional quality settings. AWS notes that input specifications affect billing and that ENHANCED_QUALITY might increase channel costs.
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If your 24/7 YouTube channel plays uploaded recordings rather than a live camera feed, StreamNeo is a simpler alternative to operating MediaLive continuously: upload a recording or build a playlist, add your YouTube stream key once, and go live. It loops the uploaded videos in the cloud, so no computer or home connection has to stay on.
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