Specifications

VIVOTEK - A Leading Provider of Multimedia Communication Solutions
User's Manual - 97
Bit 4 => Support zoom
operation. 0(not support), 1(support)
Bit 5 => Support focus
operation. 0(not support), 1(support)
text string[16] 1/4 enclosed caption
imprinttimestamp <boolean> 4/4 Overlay time stamp on video
maxexposure 1~120 4/4 Maximum exposure time
s<0~(m-1)>_codec
type
mpeg4,
mjpeg
4/4 video codec type
s<0~(m-1)>_resol
ution
176x144,
320x240,
640x480
4/4 Video resolution in pixel
s<0~(m-1)>_mpeg
4_intraperiod
250, 500,
1000, 2000,
3000, 4000
4/4 The period of intra frame in
milliseconds
s<0~(m-1)>_mpeg
4_ratecontrolmode
cbr, vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mpeg
4_quant
1~5 4/4 quality of video when choosing vbr in
“ratecontrolmode”.
1 is worst quality and 5 is the best
quality.
s<0~(m-1)>_mpeg
4_qvalue
1~31 7/4 Quality parameter of mpeg4 encoder.
1 is best quality and 31 is the worst
quality.
s<0~(m-1)>_mpeg
4_bitrate
1000~4000
000
4/4 Set bit rate in bps when choose cbr in
“ratecontrolmode”
s<0~(m-1)>_mpeg
4_maxframe
1, 2, 3, 5,
10, 15, 20,
25, 30 (only
for NTSC or
60Hz CMOS)
4/4 set maximum frame rate in fps (for
MPEG-4)
s<0~(m-1)>_mjpe
g_quant
1 ~ 5 4/4 quality of jpeg video.
1 is worst quality and 5 is the best
quality.
s<0~(m-1)>_mjpe
g_qvalue
10~200 7/4 The specific quality parameter of jpeg
encoder.
10 is best quality and 200 is the worst
quality.
s<0~(m-1)>_mjpe 1~25, 4/4 set maximum frame rate in fps (for