Camera Settings Optimization Guide

When using PRISM Lens for streaming, some cameras may experience performance limitations that cause the output frame rate (FPS) to drop below the preset value or become unstable, resulting in video stuttering or delays.

To ensure smooth video, we recommend checking your hardware environment first, and then adjusting the camera settings as needed.


1. Check the Hardware Environment

System Resource Usage

  • Check your PC’s CPU and GPU usage. If usage is above 80%, close high-consumption programs to free up performance.

USB Camera Connection

  • When using a USB camera, connect it to a USB 3.0 port to avoid bandwidth limitations that may cause FPS drops.

Camera Connection Status

  • Some cameras may encounter interruptions during capture. Try unplugging and reconnecting the camera.


2. Adjust Camera Settings

In PRISM Lens, you can configure resolution, frame rate, and video format from the menu next to the device selection dropdown.

If you experience stuttering or unstable FPS, adjust settings in the following order for best results:

  1. Lower the resolution and check if performance improves.

  2. Reduce the frame rate (recommended not lower than 25 FPS).

  3. Select a raw format (RGB / YUY2 / NV12 / I420) to improve quality and stability at lower resolutions.


(1) Resolution Settings

  • Recommended: 1280×720 (720p)

    • Most cameras can stably output 30 FPS at 720p.

  • If stuttering persists at 720p, try a lower resolution.


(2) Frame Rate Settings

  • Recommended: 30 FPS — suitable for most scenarios.

  • If 30 FPS still causes stuttering, you may lower the frame rate, but it’s best not to go below 25 FPS.

  • Since PRISM Lens supports a maximum output of 30 FPS, setting higher values is not recommended as it adds unnecessary performance overhead.


(3) Video Format Selection

  • Raw formats (RGB / YUY2 / NV12 / I420)

    • No decoding required, low latency, higher quality and stability.

    • Recommended for low-resolution scenarios.

  • Compressed formats (MJPG / H.264)

    • Smaller data size, more suitable for high-resolution streaming.

    • May depend on camera encoding capability and system decoding performance.


3. Additional Recommendations

  • If issues persist, try updating your camera driver.

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