Vivotek PZ7112 Specifications download pdf (Page 21)

VIVOTEK

User's Manual - 21

Client Settings

This chapter explains how to select the stream transmission mode and saving options on the

local computer. When nished with the settings on this page, click Save on the bottom of the

page to enable the settings�

MPEG-4 Media Options

Select whether to stream video or audio data or both� This is enabled only when the video mode is set to

MPEG-4�

MPEG-4 Protocol Options

Depending on your network environment, there are four transmission modes for MPEG-4 streaming:

UDP unicast: This protocol allows for better real-time audio and video streams� However, network

packets may be lost due to network burst trafc and images may be broken. Activate the UDP connection

when occasions require time-sensitive responses and the video quality is less important� Note that each

unicast client connecting to the server takes up additional bandwidth and the Network Camera allows up

to ten simultaneous accesses�

UDP multicast: This protocol allows multicast-enabled routers to forward network packets to all clients

requesting streaming media� This helps to reduce the network transmission load of the Network Camera

while serving multiple clients at the same time� Note that to utilize this feature, the Network Camera must

be configured to enable multicast streaming at the same time� For more information, please refer to

RTSP Streaming on page 41�

TCP: This protocol guarantees the complete delivery of streaming data and thus provides better video

quality� However, the real-time effect is not as good as that of the UDP protocol�

HTTP: This protocol allows for the same transmission quality as the TCP protocol without needing to

open specic ports for streaming under some network environments. Users inside a rewall can utilize

this protocol to allow streaming data through�

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Vivotek PZ7112 Specifications Page 21