Vivotek IP7152 - Manual (Page 39)

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Audio and Video
This product supports dual-stream. It provides two setting 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.
“Power line frequency”, the fluorescent light will flash according to the power line
frequency that depends on local utility. Change the frequency setting to eliminate
uncomfortable flash image when the light source is only fluorescent light.
Video orientation
“Flip” Vertically rotate the video.
“Mirror” Horizontally rotate the video. Check options both if the Network Camera is
installed upside down.
“White balance” Adjust the value for best color temperature.
“Overlay title and time stamp on video” Check it the title is shown on video.
There are different video quality settings for stream1 and stream2.
“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” If the mode is MPEG-4, there are four options, “176x144”,
“320x240” and “640x480”. If the mode is JPEG, there are five options, “176x144”,
“320x240” and “640x480”.
There are three dependent parameters provided in MPEG-4 mode for video
performance adjustment.
“Intra frame period” The interval of intra frame.
“Maximum frame rate” This limits the maximal refresh frame rate, which can be
combined with the “Video quality” to optimize bandwidth utilization and video quality.