Vivotek 4X-IP7142 manual

		VIVOTEK - A Leading Provider of Multimedia Communication Solutions
	176x144,		Video resolution in pixel
s<0~(m-1)>_			176x144 => 176x144
	352x240,	4/4
resolution			352x240 => 352x240
	720x480
			720x480 => 720x480
	250,		The period of intra frame in milliseconds
			250 => 1/4 S
	500,
s<0~(m-1)>_			500 => 1/2 S
	1000,
mpeg4_		4/4	1000 =>1 S
	2000,
intraperiod			2000 => 2 S
	3000,
			3000 => 3 S
	4000,
			4000 => 4 S
s<0~(m-1)>_
	cbr,		cbr => constant bitrate
mpeg4_		4/4
	vbr		vbr => fix quality
ratecontrolmode
			Quality of video when choosing vbr in “ratecontrolmode”. 1 is worst
	1,		quality and 5 is the best quality.
s<0~(m-1)>_	2,		1 => medium
	3,	4/4	2 => standard
mpeg4_quant
	4,		3 => good
	5		4 => detailed
	20000,		5 => excellent
			Set bit rate in bps when choose cbr in “ratecontrolmode”.
	30000,
			20000 => 20 Kbps
	40000,
			30000 => 30 Kbps
	50000,
			40000 => 40 Kbps
	64000,
			50000 => 50 Kbps
	128000,
			64000 => 64 Kbps
	256000,
			128000 => 128 Kbps
s<0~(m-1)>_	384000,
		4/4	256000 => 256 Kbps
mpeg4_bitrate	512000,
			512000 => 512 Kbps
	768000,
			768000 => 768 Kbps
	1000000,
			1000000 => 1 Mbps
	1200000,
			1500000 => 1.5 Mbps
	1500000,
			2000000 => 2 Mbps
	2000000,
			3000000 => 3 Mbps
	3000000,
			4000000 => 4 Mbps
	4000000
			Set maximum frame rate in fps (for MPEG-4).
	1,
			1 => 1 fps
	2,		2 => 2 fps
	3,		3 => 3 fps
s<0~(m-1)>_	5,		5 => 5 fps
mpeg4_	10,	4/4	8 => 8 fps
maxframe	15,		10 => 10 fps
	20,		15 => 15 fps
	25,		20 => 20 fps
	30 (only for 60Hz)		25 => 25 fps
			30 => 30 fps (only for 60Hz)
	1,		Quality of jpeg video. 1 is worst quality and 5 is the best quality.
			1 => medium
	2,
s<0~(m-1)>_			2 => standard
	3,	4/4
mjpeg_quant			3 => good
	4,
			4 => detailed
	5
			5 => excellent

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