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In YouTube Studio, open Create > Go live, select or set up the stream, then go to Stream settings > Stream latency in Live Control Room and choose Low latency. The choice is available for supported encoder streams; webcam and mobile streams do not offer a manual latency control.
Change the latency setting in YouTube Studio
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Open YouTube Studio and select Create > Go live.
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Enter the stream details, or open the stream you are setting up.
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In the right-hand menu, choose Stream or Manage to open the stream dashboard in Live Control Room.
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Open Stream settings.
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Under Stream latency, select Low latency.
The setting is for a supported live stream; it is not a general delay control that guarantees a particular end-to-end delay for every viewer.
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Choose the latency mode that fits the stream
| Mode | Best suited to | What YouTube says to expect | Trade-offs |
|---|---|---|---|
| Normal | Streams without planned audience interaction. | YouTube describes it as the highest-quality viewer setting, with the lowest amount of buffering; all resolutions and live features are supported. | Less responsive than the lower-latency modes. |
| Low latency | Limited interaction, when viewers do not need near-real-time responses, such as for polls. | Most viewers will experience latency of less than 10 seconds, according to YouTube. | More susceptible to buffering than Normal; 4K is not supported. |
| Ultra-low latency | Real-time interaction and conversation. | Most viewers will experience latency of less than five seconds, according to YouTube. | Buffering is more likely than with higher latency; 4K is not supported. |
The latency figures are YouTube’s operational estimates for most viewers, not guarantees. YouTube warns that network transfer or ingestion problems affect viewers more at lower-latency settings. See YouTube’s live streaming latency guidance.
When you cannot choose Low latency
Webcam or mobile stream
YouTube sets up webcam and mobile streams for interactivity, and creators cannot manually select their latency. If Stream latency is absent, check whether the stream was created through one of those paths rather than an encoder workflow. YouTube’s latency guidance describes this limitation.
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4K or 2160p stream
YouTube says 4K streams do not have the low-latency improvement option and are set to Normal latency. If 4K delivery is essential, plan around Normal rather than expecting Low latency to be available. See YouTube’s encoder settings guidance.
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Check the stream if viewers report buffering or delay
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Buffering began after lowering latency: Low-latency delivery is less tolerant of network ingestion problems. Check connection stability and whether the encoder’s bitrate is sustainable for the available upload connection. If buffering persists, switch back to Normal latency.
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Delay remains despite Low latency: The mode reduces latency but does not ensure a fixed delay. Viewer network conditions and stream ingestion can affect the result; switching modes alone cannot eliminate delay.
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Stream health is poor: Test before going live, use a test with representative audio and movement, monitor stream health, and choose a quality your internet connection can sustain. Follow YouTube’s encoder recommendations.
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Latency is separate from DVR and monetization
DVR controls whether viewers can pause and rewind during a live stream; it is not the latency selector. YouTube notes that DVR is subject to limits on very long streams, and a DVR change made while a stream is live applies to viewers who start playing after the change. Details are in YouTube’s DVR guidance.
Ads, Super Chat and Super Stickers, and channel memberships are separate live-stream monetization features; none is required to change latency. YouTube does not guarantee that ad slots will serve an ad to every viewer. See YouTube’s live-stream monetization guidance.
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Or let it run in the cloud
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