01.Introduction: Why OBS > ShadowPlay?
OBS allows you to separate Discord audio from the game, use more efficient encoders (AV1), and customize overlays. With "Replay Buffer," it works exactly like "Instant Replay," saving the last few minutes only when you press a button.
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02.Chapter 1: Encoder Configuration (AV1)
Output > Recording
- Video Encoder:
- If you have an RTX 4000+: Use NVIDIA NVENC AV1 (40% more quality at the same size).
- If you have an RTX 2000/3000: Use NVIDIA NVENC HEVC (H.265).
- If you have a GTX 1000: Use NVIDIA NVENC H.264.
- Rate Control: CQP (Constant Quantization Parameter).
- CQ Level: 20 (Lower = More quality and massive file. 15 is almost lossless. 25 is light).
03.Chapter 2: Replay Buffer (The Secret)
Go to Output > Replay Buffer.
Check "Enable Replay Buffer".
Set the time (e.g., 120s = 2 minutes).
OBS will record constantly to RAM. When you press the save Hotkey, it writes to disk.
This avoids SSD wear from constant recording.
04.Chapter 3: Separate Audio Capture (Beta)
Use the "Application Audio Capture" (BETA) feature in Sources.
Add a source for the Game.
Add another for Discord.
Add another for Spotify.
In the Audio Mixer, you can mute Spotify in the recording to avoid YouTube Copyright claims while still hearing it in your headphones.
A1.Chapter 4: Process Priority
If your OBS stutters (recording lags) when the GPU hits 99% usage in-game:
Go to Settings > Advanced.
Change "Process Priority" to High.
This ensures Windows reserves a tiny bit of GPU for OBS to encode video before handing the rest back to the game. The game loses 1-2 FPS, but the recording remains smooth.
A2.Chapter 5: File Format (MKV)
Always record in MKV (Matroska).
If you record in MP4 and the PC crashes (BSOD/power outage), you lose the entire file (it gets corrupted).
With MKV, you save up to the exact second of the power failure.
OBS has a "Remux Recordings" function in the File menu to convert MKV to MP4 in seconds afterwards.
A3.Chapter 6: Game Capture
Always use "Game Capture". It's the most efficient method as it injects directly into the graphics API.
"Display Capture" is slow, shows your Windows notifications, and has lower FPS.
If Game Capture remains black, run OBS as Administrator.
A4.Chapter 7: Lookahead and Psycho Visual Tuning
In NVENC settings:
- Lookahead: OFF (Unless playing a game with low movement).
- Psycho Visual Tuning: ON. Improves subjective quality in fast movements using CUDA acceleration.
Chapter 8: AV1 Codec (The Future)
AV1 (available on RTX 4000 and RX 7000 cards) has superior image quality to H.264 at low bitrates.
YouTube and Twitch already support AV1. If you can, use it. Your videos will stay clear without those "squares" (artifacts) in fast scenes.
Chapter 9: High-Resolution Screenshots
You can use OBS to take clean screenshots (without HUD, if you configure the source correctly) and save them as Lossless PNG instantly. Configure the shortcut.
Chapter 10: Virtual Camera
Use the "Virtual Camera" to send the OBS image (with color filters and overlays) directly into Discord or Zoom as if it were your webcam.
Don't do it Manually.
Voltris Optimizer automates this entire guide and removes Windows delay in seconds.
Written by a verified expert
Douglas Felipe M. Gonçalves
Expert in Windows system optimization with years of experience in hardware diagnostics, kernel tuning, and advanced technical support. Founder of Voltris and developer of the Voltris Optimizer.
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By following this guide on OBS Studio (2026): The Best Clip Configuration, you are equipped with the verified technical knowledge to solve this issue with confidence.
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