User`s manual
VIVOTEK
194 - User's Manual
    85   
mjpeg_qvalue 10~200 
2~97
<product dependent> 
50
<product
dependent>
Manual video quality level 
input.
(This must be present if 
mjpeg_quant is equal to 0, 99) 
<product dependent> 
mjpeg_maxframe  1~25, 
26~30 (only for NTSC or 
60Hz CMOS) 
15  Set maximum frame rate in fps 
(for JPEG). 
mpeg4_intraperiod  250, 500, 1000, 2000, 3000, 
4000
1000  Intra frame period in 
milliseconds. 
mpeg4_ratecontrolmode cbr, vbr  vbr  cbr: constant bitrate 
vbr: fix quality 
mpeg4_quant  0, 1~5 
99, 1~5 
<product dependent> 
3  Quality of video when choosing 
vbr in 
“mpeg4_ratecontrolmode”. 
0,99 is the customized manual 
input setting. 
1 = worst quality, 5 = best 
quality. 
<product dependent> 
mpeg4_qvalue 1~31 
2~31
<product dependent> 
7
<product
dependent>
Manual video quality level 
input.
(This must be present if 
mpeg4_quant is equal to 0, 99)
<product dependent> 
<product dependent> 
mpeg4_bitrate 1000~8000000 
1000~4000000
<product dependent> 
512000
<product
dependent>
Set bit rate in bps when 
choosing cbr in 
“mpeg4_ratecontrolmode”. 
mpeg4_maxframe  1~25, 
26~30 (only for NTSC or 
60Hz CMOS) 
10
15
<product
dependent>
Set maximum frame rate in fps 
(for MPEG-4). 
h264_intraperiod  250, 500, 1000, 2000, 3000, 
4000
1000  Intra frame period in 
milliseconds. 
h264_ratecontrolmode  cbr, vbr  vbr  cbr: constant bitrate 
vbr: fix quality 
h264_quant  0, 1~5 
99, 1~5 
<product dependent> 
3  Quality of video when choosing 
vbr in “h264_ratecontrolmode”.
0,99 is the customized manual 










