> For the complete documentation index, see [llms.txt](https://eventx-hq.gitbook.io/knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eventx-hq.gitbook.io/knowledge-base/livestream/setup-and-config/obs-setup-config.md).

# OBS Setup Config

Setting up OBS Studio can feel like navigating a cockpit, but getting your **Keyframe Interval** right is one of the most effective ways to ensure your stream doesn't turn into a slideshow for your viewers.

Here is your streamlined setup guide based on industry standards

***

## 🛠️ Step-by-Step: Setting the Keyframe Interval

To get the most stable stream on Twitch, YouTube, or Facebook, follow these steps to lock in that 2-second interval:

1. **Open Settings:** Navigate to **File > Settings** in the top-left corner of OBS Studio.
2. **Go to Output:** Click the **Output** tab on the left-hand sidebar.
3. **Switch to Advanced:** Change the **Output Mode** dropdown at the top from "Simple" to **Advanced**. This unlocks the specific encoder settings you need.
4. **Locate Keyframe Interval:** Under the **Streaming** tab, look for the box labeled **Keyframe Interval (0=auto)**.
5. **Enter the Value:** Delete the 0 and type **2**. Ensure the unit is set to \*\* seconds\*\* (or **s**).
6. **Save:** Click **Apply** and then **OK**.

***

## 💡 Why the "2-Second Rule" Matters

A keyframe (or I-frame) is a complete image. The frames in between only store the *changes* from that image. If you don't send a full image often enough, things break.

| **Feature**       | **Impact of 2s Interval**                                                                      |
| ----------------- | ---------------------------------------------------------------------------------------------- |
| **Join Time**     | Viewers see your stream almost instantly instead of waiting for the next "full" frame to load. |
| **Stability**     | Reduces "smearing" artifacts and playback errors on mobile devices.                            |
| **Compatibility** | Meets the strict ingest requirements for Twitch and YouTube Live.                              |

***

## ⚠️ Pro-Tips & Common Pitfalls

### Don't Leave it at "0"

While "0" sounds like it might be "best," in OBS it stands for **Auto**. Most platforms struggle with Auto because it often defaults to 8 seconds or more. This leads to massive lag and "Source Not Available" errors for your viewers.

### When to use 1 Second?

If you are streaming extremely fast-paced content (like a high-motion racing sim or a flick-heavy FPS) at a very high bitrate, a **1s interval** can sometimes improve clarity, but **2s** remains the golden standard for 99% of creators.

###

| **Upload Speed** | **Recommended Max Bitrate** | **Recommended Resolution** |
| ---------------- | --------------------------- | -------------------------- |
| **10+ Mbps**     | 6,000 Kbps                  | 1080p 60fps                |
| **8 Mbps**       | 4,500 - 5,000 Kbps          | 1080p 30fps or 720p 60fps  |
| **5 Mbps**       | 3,000 - 3,500 Kbps          | 720p 30fps                 |

## Frequently Asked Questions

### Q: What happens if I leave the keyframe interval at 0 (Auto)?

**A:** Most platforms struggle with Auto because it often defaults to 8 seconds or more, leading to massive lag and "Source Not Available" errors for viewers.

### Q: When should I use a 1-second keyframe interval?

**A:** For extremely fast-paced content (high-motion racing, FPS gaming) at very high bitrates, a 1-second interval may improve clarity. For most use cases, 2 seconds is the standard.

### Q: What is the recommended max bitrate for a 10+ Mbps upload speed?

**A:** 6,000 Kbps for 1080p at 60fps.