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Video Quality: It can be adjusted when the bitrate type is set to VBR. The higher the image
quality, the more bitrate will be required.
I Frame interval: It determines how many frames are allowed between a “group of pictures”.
When a new scene begins in a video, until that scene ends, the entire group of frames (or
pictures) can be considered as a group of pictures. If there is not much movement in the
scene, setting the value higher than the frame rate is fine, potentially resulting in less
bandwidth usage. However, if the value is set too high, and there is a high frequency of
movement in the video, there is a risk of frame skipping.
Video Compression: MJPEG, H264+, H264, H265 or H265+ are applicable. MJPEG is not
available for main stream. If H.265 / H.265+is chosen, make sure the client system is able to
decode H.265 / H.265+. Compared to H.265, H.265+ saves more storage space with the
same maximum bitrate in most scenes. Compared to H.264, H.265 reduces the transmission
bitrate under the same resolution, frame rate and image quality.
Note: For plug-in free live view, MJPEG is not recommended (if the sub / third stream and
MJPEG are selected, no image will be output).
Profile: For H.264. Baseline, main and high profiles are selectable.
Send Snapshot: Set the snapshot stream.
Video encode slice split: If this function is enabled, smooth image can be gotten even
though using the low-performance PC.
Watermark: When playing back the local recorded video in the search interface, the
watermark can be displayed. To enable it, check the watermark box and enter the watermark
text.
Click the “Audio” tab to go to the interface as shown below.
Audio Encoding: G711A and G711U are selectable.
Audio Type: LIN or MIC can be optional.
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