# Video

## Video

* Go to Configuration->Video & Audio->Video

![Video](/files/-MSNKJFs-Oa_LUFi8kNx)

## Explanation

* **Encode Type**: This dropdown box allows the user to select a compression protocol. 
* **Resolution**: This dropdown box allows the user to set the resolution. 
* **Profile**: This dropdown box allows the user to set the profile.
* **Frame Rate (FPS)**: This dropdown box allows the user to select a frame rate. Frame rate settings are measured in frames per second (FPS), and can range from 1f/s to 25f/s in PAL mode and 1f/s to 30f/s in NTSC mode. 
* **Bit Rate Type**: This dropdown box allows the user to select a bit rate type. The system supports two bit rate types: CBR and VBR. In VBR mode, video quality can be set. 
* **Reference bit rate**: This is the recommended bit rate value according to the resolution and frame rate selected. • Bit Rate: This dropdown box allows the user to select a bit rate. 
* **Encode quality**: This function allows the user to select the image encode quality. 
* **Key frame interval**: This field allows the user to set the P frame amount between two I frames. The value ranges from 1 to 150 seconds. Default value is 50. Recommended value is frame rate \*2. 
* **Restore Default**: Restore the values to default setting. 
* **Refresh**: Refresh the display of the settings’ value. 
* **Save**: Save the settings.

{% hint style="info" %}
:man\_mage: **Tips**: Sub Stream is the lower quality stream that allows the feed to take up less resources and bandwidth when streaming. The Main Stream and the Sub Stream have the same fields.
{% endhint %}


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