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Stream to Twitch and YouTube at once, and keep the recording

Sucia Studio goes live on Twitch, YouTube and another RTMP service together, from one encode on your own computer, with no relay service in between. It records while it streams, so when the stream ends the recording is already on your disk, ready to cut.

Windows 10 or 11, 64-bit, or 64-bit Linux. Sucia Studio installs and updates through the Sucia app, with a free Sucia account. 14-day free trial, no card.

Pick the services, go live once

On the Stream page, tick each service you want: Twitch, YouTube, or another service that takes RTMP, with its server address. Each one has its own stream key box. Studio encodes the picture once and sends the same stream to every service you ticked, with the settings the strictest of them allows: Twitch and YouTube together at 1080p60 means 6 Mbit/s to both. Twitch and YouTube are reached over RTMPS, which is encrypted.

The scene comes from the Record page: a screen or a window, your camera in a corner, your microphone and, on Windows, the computer's sound, at 30 or 60 frames a second. One press of Go live starts every service, and the LIVE badge on the preview shows how many are on.

A health line for every service

While you are live, Studio shows the combined bitrate and dropped frames, and one line for each service: how long it has been live, its bitrate and what it dropped. If a service refuses the stream for good, for example because of a wrong key, that one ends alone, Studio says why in the service's own words, and the others keep going.

A dropped connection reconnects by itself, waiting a little longer each time. When the connection falls behind, Studio drops frames until the next key frame instead of letting the stream drift further and further behind.

Keys stay on your computer, encrypted

Stream keys are encrypted with your system's own protection and saved on your computer; Studio will not save a key when the system cannot encrypt it. The key box empties the moment a key is saved, the page never shows a key again, and no key is ever written to a log. Forget a key with one press.

Both chats in one list, and on the picture

Connect a Twitch channel and a YouTube live stream (its address or the channel's @handle) and the messages arrive in one list in time order, each marked with its service. Studio reads both without a sign-in or an API key. YouTube's chat is read from its live chat page's own feed; if YouTube changes it, Studio says so and Twitch chat keeps going.

The chat can also sit on the picture. When Twitch is one of the services, the picture shows Twitch chat only by default, as Twitch's rules for streaming to several services ask; the list in Studio keeps both.

Overlays and cards, in the stream and the recording

An overlay look decides what is drawn on top of the picture, in the stream and the recording alike: the chat box, a title line, a frame around your camera, and full-picture cards such as Starting soon, Be right back and Thanks for watching. Four looks come built in, and more come as add-ons made by Sucia, installed from the Store through the Sucia app or loaded from a file.

A recording ready to edit when you stop

Record while streaming is on by default. The recording is its own file on your disk, written so a crash keeps everything up to the last second, with the markers you pressed and, when the chat was connected, the chat log beside it. When it stops, Studio puts the recording in your project and opens the Cut page, where chat spikes and !clip messages show up as moments to look at. The replay buffer can keep the last few minutes as well, so a moment you were not recording can still be saved.

Questions

Does streaming to several services cost extra?

No. Nothing is charged per stream, per hour or per service. The stream goes from your computer straight to each service, with no relay in between.

Which services can I stream to?

Twitch, YouTube, and any other service that takes an RTMP or RTMPS stream with a server address and a stream key. Tick one, two or all three.

How much upload speed do I need?

Each service gets its own copy of the stream, so the upload adds up: two services at 6 Mbit/s each need about 12 Mbit/s of upload, with room to spare.

Can I stream from Linux?

Yes, with a screen or a window, your camera and your microphone. The computer's own sound, such as the game or a call, cannot be captured on Linux yet.

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