You can stream a prerecorded sermon stored on a Synology NAS by having a computer run an encoder such as OBS, open the video from the NAS (or a local copy), and send the feed to YouTube using the stream URL and key from YouTube Studio. The NAS stores the file; the encoder handles playback and transmission. Synology’s Surveillance Station Live Broadcast documentation covers live camera feeds, not playing a prerecorded file from a NAS folder.
What you need and how the pieces fit together
The NAS is the sermon’s file store. A computer running OBS, or another compatible encoder, plays the video and sends it to YouTube. YouTube describes an encoder this way: “An encoder converts your video into a digital format to stream on YouTube.” (YouTube Help: Create a YouTube live stream with an encoder.)
- A sermon video with working picture and sound.
- A computer that can access the video on the NAS and run an encoder.
- A YouTube channel enabled for live streaming, plus the event’s server URL and stream key from YouTube Studio.
- A reliable internet connection from the computer for the duration of the broadcast.
This is a general NAS-share workflow, not a documented Synology end-to-end prerecorded-file feature. The exact steps to access a shared folder depend on your NAS model, DSM version, computer operating system, and the share settings your church uses.
Prepare the sermon file and NAS access
Check the video before service day
Open the sermon file and confirm that the intended picture and audio play correctly, including the beginning and end. OBS Media Source supports common file types including MP4, TS, MOV, FLV, MKV, AVI, GIF, and WebM, and can loop a file. Support for a container does not guarantee that every codec inside every file will decode on your particular computer, so test the actual recording in the OBS installation you plan to use. (OBS Project: Media Sources.)
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Open the file from the NAS or copy it locally
On the production computer, access the sermon through the church’s existing NAS file-sharing setup. If playback over the network is unreliable, copy the file to the computer before the event and use that copy. The available documentation does not prescribe share permissions or establish performance for a particular Synology model, network, or file. Confirm that the operator account can read the file and that the chosen playback method works throughout a full rehearsal.
Choose a playback source in OBS
For one sermon recording, add an OBS Media Source and select the file. Enable looping only if you deliberately want it to restart after reaching the end. For an ordered playlist or broader playback support, OBS also offers a VLC Video source; VLC must be installed, and a 64-bit OBS installation requires matching 64-bit VLC. Confirm the source appears and produces audio in the OBS preview before proceeding.
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Create the YouTube Live event
- In YouTube Studio, open Go Live and create a stream, or use Manage to schedule one for a planned service. Scheduling gives you an upcoming event page to share and lets viewers set reminders. The exact interface can change, so follow the current labels in your Studio account. (YouTube Help: Create a YouTube live stream with an encoder.)
- If this is the channel’s first live stream, enable live streaming well ahead of the service. YouTube says initial enablement can take up to 24 hours; this is a platform note, not an average processing time.
- In the event’s encoder or stream settings, locate the server URL and stream key. Copy them for entry in OBS or your chosen encoder.
Configure OBS and go live
- In OBS, open Settings and then Stream. Choose YouTube if it is available as a service and follow the connection prompts, or choose the custom server option and enter the server URL supplied by YouTube. Enter the stream key from the same event. YouTube’s encoder instructions specify using the URL and key in the encoder.
- Treat the stream key like a password. Do not show it in a screen share, screenshot, public chat, or recording. If it is exposed, replace or reset it in YouTube Studio before broadcasting.
- Set up the scene with the sermon’s media source. Check the preview for the right framing and confirm the audio meter moves while the video plays. The source material does not establish a universal bitrate, resolution, or keyframe setting for every file and connection; use the current guidance shown by YouTube Studio and test your encoder and upload connection rather than assuming one setting fits all.
- Start the OBS stream and start playback. For a scheduled event, wait for the incoming preview in YouTube Live Control Room, check picture and sound, then click Go live there. Starting the encoder feed alone does not necessarily make a scheduled event public.
- Rehearse the actual file and workflow before the service. Verify that the video starts at the intended point, audio is audible and in sync, NAS access remains available if streaming from the share, and the event preview reaches YouTube.
End the stream and check the archive
When the sermon is finished, end the event in YouTube Live Control Room using End Stream, then stop sending from the encoder. YouTube says streams under 12 hours are automatically archived and available in the channel’s Live tab. Longer streams are outside that stated automatic-archive condition, so do not rely on this rule for them.
Do not confuse prerecorded playback with Synology Live Broadcast
Synology’s Surveillance Station Live Broadcast documentation describes sending a live camera stream to YouTube: the administrator enters the YouTube RTMP path and key and selects a camera and stream profile. Synology’s DSM 7.4 specifications state that Live Broadcast supports H.264 streaming. Neither source describes choosing a prerecorded sermon file from a NAS folder as the broadcast source. (Synology Knowledge Center: Live Broadcast | Surveillance Station; Synology Surveillance Station Technical Specifications, DSM 7.4.)
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That distinction matters: if your goal is to play last Sunday’s recording, use a media player/encoder workflow unless your specific equipment documentation confirms another method. Do not assume that Surveillance Station’s camera broadcast can select a video file from a NAS share.
Other ways to send a prerecorded sermon
| Option | What it does | Key consideration |
|---|---|---|
| StreamNeo | Uploads a recording to a cloud service that loops it to YouTube; add the YouTube stream key and go live. | Always-on from the cloud, any uploaded quality up to 4K 60fps at one flat price per slot, with the first day free. |
| Computer with OBS | Plays one file or an OBS playlist and sends the encoded feed to YouTube. | Requires an operating computer, NAS or local file access, and an operator to verify a scheduled event. |
| Dedicated encoder | YouTube’s encoder guide lists the AJA HELO Plus, describing its PlayToStream function for scheduling prerecorded media to YouTube Live. | Check current device documentation for compatibility with your chosen file and NAS workflow; the cited information does not establish compatibility with every NAS share or file format. |
| Synology Surveillance Station Live Broadcast | Broadcasts a live camera feed to YouTube, with H.264 output documented for DSM 7.4. | Not documented as a prerecorded sermon-file player. |
For teams considering a dedicated device, YouTube’s encoder guide lists the AJA HELO Plus as an option; verify its current specifications and your exact file and NAS setup before buying. (YouTube Help.)
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Troubleshooting before or during the service
- OBS cannot find or open the sermon: confirm the NAS share is mounted and the operator account can read the file. Try a local copy to separate share-access trouble from media-source or codec trouble.
- The source is black or unsupported: test the file in a normal media player, then test it in OBS Media Source. A supported file extension alone does not ensure that the video codec can be decoded on the production computer.
- There is no sound: check that the media source is active, that its audio appears in OBS’s mixer, and that the correct audio is present in the YouTube preview. Test from the beginning of the actual recording.
- YouTube does not receive a feed: confirm the event’s server URL and stream key were copied correctly and that the encoder is connected to the intended event. If the key was exposed, replace it.
- The scheduled event is not public: sending the OBS feed is not the final step; wait for the Live Control Room preview and click Go live.
- First-time live streaming is unavailable: enable the feature earlier than service day because YouTube says this can take up to 24 hours.
- The broadcast drops when the NAS share fails: for a service-critical stream, test the complete duration in advance or use a local copy so playback is not dependent on continued NAS access. No model-specific share reliability is established by the cited documentation.
Plan for rights and YouTube requirements
Use a sermon recording and any music, images, or other material that the church has the right to stream. A church’s ownership of the sermon recording does not automatically establish permission for third-party songs or media included in it. Review YouTube’s current live-stream requirements and rights guidance in the channel before service day; the encoder setup instructions do not determine whether a particular recording is cleared for broadcast.
Or let it run in the cloud
If you would rather not keep a computer running at the church or at home, StreamNeo lets you upload a recording, add your YouTube stream key once, and go live. It loops the uploaded video from the cloud, so nothing has to stay on at home; it supports the video quality as uploaded up to 4K 60fps at one flat price per slot, and automatically recovers if YouTube drops the stream. The first day is free with no card, one free day per account. Monthly is $9.99 per month. See StreamNeo for details, then start the free day.
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