Record; Encode - Speco N4JLN User Manual

5.2 Record

This menu allows you to configure the recording parameters.

5.2.1 Encode

This menu allows you to configure the recording video or network transmission picture quality. Generally,
Mainstream defines the recording video quality which will be saved on the HDD;
video quality which is being viewed via remote access, for example web client & CMS/VMS;
Mobilestream defines the video quality which is being viewed via remote access on mobile devices.
Resolution: This parameter defines how large the recorded image will be.
FPS: This parameter defines the number of frames per second the NVR will record.
Video Encode Type: H264/H.265. Some cameras might be supported MJPEG.
Bitrate Control: Select the bitrate level. For a simple scene, such as a gray wall is suitable constant bitrate
(CBR). For more complex scene, such as a busy street is suitable variable bitrate (VBR).
Video Quality: Available for VBR only.
Bitrate Mode: If you want to set the bitrate by yourself, then choose User-defined mode. If you want to
select the predefined bitrate, choose Predefined mode.
Bitrate: This parameter corresponds to the speed of data transfer that the NVR will use to record video.
Recordings that are encoded at higher bitrates, will be of better quality.
Audio: enable or disable audio encode.
I Frame interval: configure the I frame interval of camera. Keep it as default if you're not a professional.
ETR: setting different streams for normal and alarm recording.
In the Audio section, you can define the input/output volume, and encode the type of audio.
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Substream defines the