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To stream a 4K 60fps playlist on YouTube with subtitles permanently visible in the picture, use OBS Studio with a VLC Video source for the playlist, then compose the subtitles into the OBS scene as a text or graphics overlay. Set the output to 3840Ă—2160 at 60 fps, choose a YouTube-supported encoder and matching bitrate, and verify the finished picture in preview or a test stream. A subtitle track that viewers can toggle is not the same as burned-in subtitles.
What you need
- OBS Studio to combine the playlist, subtitles, and audio and send the result to YouTube.
- VLC installed for OBS’s VLC Video source. OBS says 64-bit OBS requires 64-bit VLC.
- Video files arranged in the intended playback order, with the correct audio and subtitle language or track available.
- A computer and network connection that can sustain the selected 4K60 encoder settings. YouTube’s published bitrate figures are configuration guidance, not a guarantee that a particular computer or connection will manage the stream.
- A YouTube channel with live streaming enabled and access to YouTube Live Control Room. See YouTube’s encoder setup instructions.
Prepare the playlist and subtitles
Check each video
Before configuring OBS, confirm that each file has the intended audio and subtitle language or track. Check that the source resolution and frame rate are suitable for a 3840Ă—2160, 60 fps output. The official instructions cited here do not prescribe a required playlist file format or guarantee seamless transitions between clips encoded differently, so test the actual files you plan to use.
Choose burned-in text or selectable captions
Burned-in subtitles are part of the video picture: viewers cannot switch them off, and they remain visible wherever that picture is shown. Selectable captions are sent separately as a caption track and can be toggled by viewers. If the requirement is subtitles burned into the picture, render them into the source video before playback or compose a subtitle text or graphics overlay in OBS.
OBS documents subtitle-track controls for its VLC Video source, but the cited documentation does not explicitly promise that enabling a VLC subtitle track permanently rasterizes the text into the outgoing image. Do not assume that toggle alone meets the burned-in requirement: inspect the actual OBS composite and a short recording or test stream.
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Build a looping playlist in OBS
- Install VLC, ensuring its architecture matches OBS; OBS specifies 64-bit VLC for 64-bit OBS.
- In OBS, add a VLC Video source to the scene. Add the files in the order you want them to play.
- Enable Loop Playlist in the VLC Video source settings.
- If the media contains a usable subtitle track, you can select it in the VLC Video source controls and check how it appears. For dependable burned-in subtitles, add a rendered text or graphics source above the video in the OBS scene, or use files with subtitles already rendered into the picture.
- Check the Sources list and preview. OBS’s Sources Guide explains that sources higher in the list appear over lower sources. Make sure the subtitle overlay is above the video and legible against every clip.
- Play through enough of the playlist to verify subtitle timing, language, placement, transitions, and audio. The official pages cited here do not specify a verified conversion recipe for turning timed subtitle files into an OBS overlay.
If you are looping only one file rather than a playlist, OBS’s Media Source has a single-file Loop control. For multiple files, use VLC Video and Loop Playlist. OBS documents both options in Media Sources.
Set OBS output for YouTube 4K60
Configure the encoder output to 3840×2160 at 60 fps. YouTube’s live encoder settings list RTMP/RTMPS and H.264, H.265/HEVC, and AV1, with frame rates up to 60 fps. Use a codec and protocol supported by both your encoder and the YouTube ingest path; the available choices may depend on your actual encoder.
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| Codec for 2160p at 60 fps | YouTube’s listed bitrate guidance |
|---|---|
| H.264 | 35 Mbps recommended |
| H.265/HEVC | 10 Mbps minimum; 40 Mbps maximum |
| AV1 | 10 Mbps minimum; 40 Mbps maximum |
Keep the codec and its bitrate guidance together: YouTube’s 35 Mbps recommendation is for H.264; the 10–40 Mbps range is listed for HEVC and AV1. YouTube recommends constant bitrate encoding and a 2-second keyframe interval, and says not to exceed 4 seconds. For its full settings and latency guidance, consult the current encoder settings page.
Run an upload-speed check and test a representative stream with the same resolution, frame rate, codec, and bitrate you intend to use. YouTube Help says, “Make sure to test before you start your live stream.” Its live streaming tips also recommend checking the stream preview and monitoring stream health, audio, and video quality. These tests matter because a published encoder bitrate is not proof that your hardware or network can sustain it.
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Connect OBS to YouTube and verify the result
- Open YouTube Live Control Room and create or schedule the stream using YouTube’s encoder setup.
- Copy the stream URL and stream key from YouTube into OBS’s stream settings. Treat the key like a password: do not show or share it publicly.
- Start the OBS stream and wait for YouTube’s preview and health indicators. Confirm that the incoming stream is 3840×2160 at 60 fps.
- Inspect the composed picture: subtitles should be visible in the video itself, timed correctly, readable, and not covering important documentary content. Check the audio and transitions as well.
- Monitor stream health and audio/video quality while live. If you change a setting, verify the resulting preview rather than assuming the encoder accepted it.
Selectable YouTube live captions are a different option
YouTube documents two live-caption routes: embedded EIA-608/CEA-708 captions and captions sent through supported software over HTTP POST. For the embedded route, select Embedded 608/708 in stream setup and configure the encoder to output that format. Although the 608/708 standard supports up to four language tracks, YouTube says it currently supports one caption track in this workflow. These captions are delivered as a caption track; they are not equivalent to subtitles rendered into the visible image. See YouTube’s live caption requirements.
Plan for the archive
YouTube says streams under 12 hours can be automatically archived and automatically archives 1440p and 2160p streams. It warns that streams longer than 12 hours may not be captured at all, so do not rely on YouTube’s archive for a longer broadcast. Keep a local recording backup if you need a dependable copy. Details are in YouTube’s archive live streams guidance.
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Troubleshooting
The playlist does not play or loop
- VLC Video source is unavailable or fails to load: install VLC and check that its architecture matches OBS. For 64-bit OBS, OBS specifies 64-bit VLC.
- Only one clip plays: confirm that all intended files are in the VLC Video source playlist and that Loop Playlist is enabled.
- You intended to loop one clip: use the Media Source’s Loop setting, or use VLC Video with a one-item playlist.
Subtitles are missing, selectable, or not actually burned in
- No subtitles appear: check that the selected media has the intended language or subtitle track and that the correct track is selected.
- Text appears only when a viewer enables captions: you are sending selectable captions, not burning the text into the picture. Add a visible subtitle overlay in the OBS scene or render subtitles into the video before playback.
- The VLC subtitle toggle appears to work, but permanence is uncertain: confirm in the OBS composite and a recording or test stream that the text is present in the picture itself.
- Overlay covers content or is hard to read: adjust its placement and appearance in the scene, then review it over different clips and backgrounds.
The stream is not 4K60 or is unstable
- YouTube preview shows the wrong resolution or frame rate: verify OBS’s output resolution and frame rate, then check the actual incoming stream in Live Control Room.
- Dropped frames or poor stream health: test the connection at the selected bitrate and check whether the computer can encode the chosen codec at 4K60. If necessary, reduce the output demand and test again; YouTube’s figures do not guarantee that a particular setup will sustain them.
- Video quality is poor: confirm that the bitrate matches the selected codec. For example, YouTube lists 35 Mbps recommended for H.264 at 2160p60, while its AV1 and HEVC values are a 10–40 Mbps range.
- Stream key or connection error: verify the stream URL and key in OBS against the current Live Control Room stream settings. Keep the key private.
Or let it run in the cloud
If the goal is a YouTube channel that keeps uploaded videos playing around the clock, StreamNeo is a cloud option: upload the recording or build a playlist, add your YouTube stream key once, and go live. It loops uploaded videos, so no computer or home connection has to stay on. Each slot streams what you upload, up to 4K 60fps, at one flat price per slot; there are no quality tiers. StreamNeo automatically recovers if YouTube drops the stream. The first day is free with no card, with one free day per account. Monthly billing is $9.99 per month. For a documentary playlist with burned-in subtitles, include the subtitles in the uploaded video itself and check the result before going live. StreamNeo is for uploaded video playback to YouTube, not camera streaming. Start the free day on StreamNeo.
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