Vivotek VS7100 Installation Guide download pdf (Page 37)

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Audio and Video

This product supports dual-stream. It provides two settings for video streams, but only

one setting for audio.

Video Settings

“Video title” The text string can be displayed on video

“Color” Select either for color or monochrome video display.

“Video orientation” Check “Flip” to vertically rotate the video and “Mirror” to

horizontally rotate the video. Check options both if the camera is installed upside down.

“Modulation” Select the video input modulation types, NTSC, PAL, and Auto. After

Change the modulation type, please reboot the video server to make the change take

effect.

“Overlay title and time stamp on video and snapshot” Check it the title is shown

on video and snapshot.

There are different video quality settings for stream1 and stream2:

“Frame mode” When frame mode is checked, VS7100 converts interlaced pictures to

progressive pictures.

“Mode” It can be MPEG-4 or JPEG. If MPEG-4 is selected, it is streamed in RTSP

protocol. If JPEG is selected, it is streamed in server push mode.

“Frame Size” Both MPEG-4 and JPEG have three options, including “QCIF (176x120

NTSC and 176x144 PAL)”, “CIF (352x240 NTSC and 352x288 PAL)”, and

“4CIF (704x480 NTSC and 704x576 PAL)”.

“Max frame rate” User can select the maximal refresh frame rate. VS7100 now

supports up to 30 fps.

There are two dependent parameters provided in MPEG-4 mode for video performance

adjustment.

“Intra frame period” The interval of intra frame.

“Video quality” VS7100 allows users to adjust the video quality for speed or

smoothness. The performance is also a subject to the network bandwidth and the

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Vivotek VS7100 Installation Guide Page 37