Vivotek PZ7121 - Manual (Page 94)

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94 - User's Manual
mirror 4/4 mirror the image
text string[16] 1/4 enclosed caption
imprinttimestamp 4/4 Overlay time stamp on video
s<0~(m-1)>_codectype mpeg4, mjpeg 4/4 video codec type
s<0~(m-1)>_resolution QCIF,
(176x120,ntsc)
(176x144,pal)
CIF,
(352x240,ntsc)
(352x288,pal)
4CIF,
(704x480,ntsc)
(704x576,pal)
4/4 Video resolution in pixel
s<0~(m-1)>_mpeg4_intraperiod 250, 500, 1000,
2000, 3000, 4000
4/4 The period of intra frame in
milliseconds
s<0~(m-1)>_mpeg4_ratecontrol
mode
cbr, vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mpeg4_quant 0, 1~5 4/4 quality of video when choosing vbr
in “ratecontrolmode”.
0 is customized manual input
setting.
1 is worst quality and 5 is the best
quality.
s<0~(m-1)>_mpeg4_bitrate 1000~4000000 4/4 Set bit rate in bps when choose cbr
in “ratecontrolmode”
s<0~(m-1)>_mpeg4_maxframe 1~25,
26~30 (only for
NTSC or 60Hz
CMOS)
4/4 set maximum frame rate in fps (for
MPEG-4)
s<0~(m-1)>_mjpeg_quant 0 ~ 5 4/4 quality of jpeg video.
0 is customized manual input
setting.
1 is worst quality and 5 is the best
quality.
s<0~(m-1)>_mjpeg_maxframe 1~25,
26~30 (only for
NTSC or 60Hz
CMOS)
4/4 set maximum frame rate in fps (for
JPEG)