VIVOTEK
140 - User's Manual
99, 100 choosing vbr in
“ratecontrolmode”.
99 is the customized
manual input setting.
1 = worst quality, 5 = best
quality.
100 is percentage mode.
s<0~(m-1)>_mpeg4_qvalu
e
2~31 7 4/4 Manual video quality level
input.
(s<0~(m-1)>_mpeg4_qua
nt = 99)
s<0~(m-1)>_mpeg4_qperc
ent
1~100 29 4/4 Manual video quality level
input.
(s<0~(m-1)>_mpeg4_qua
nt = 100)
s<0~(m-1)>_mpeg4_bitrat
e
1000~160000
00
<product
dependent>
51200 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_maxfr
ame
1~25,
26~30 (only
for NTSC or
60Hz CMOS)
30 1/4 Set maximum frame rate in
fps (for MPEG-4).
s<0~(m-1)>_h264_intrape
riod
250, 500,
1000, 2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264_ratecon
trolmode
cbr, vbr vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_quant 1~5
99, 100
3 4/4 Quality of video when
choosing vbr in
“ratecontrolmode”.
99 is the customized
manual input setting.
1 = worst quality, 5 = best
quality.
100 is percentage mode.
s<0~(m-1)>_h264_qvalue 0~51 2 4/4 Manual video quality level
input.
(s<0~(m-1)>_h264_quant