VIVOTEK
User's Manual - 133
PD8136-VVTK
28
1 = worst quality, 5 = best
quality.
s<0~(m-1)>_mpeg4_qvalu
e
1~31 7 4/4 Manual video quality
level input.
(s<0~(m-1)>_mpeg4_qua
nt = 99)
s<0~(m-1)>_mpeg4_qpercent 1~100 29 4/4 Set quality by percentage.
1: Worst quality
100: Best quality
(s<0~(m-1)>_mpeg4_quant
= 100)
s<0~(m-1)>_mpeg4_bitrate 1000~8000000 3000000 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_maxfra
me
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_intraper
iod
250, 500,
1000, 2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264_ratecontro
lmode
cbr, vbr cbr 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”.
99,100 is the customized
manual input setting.
1 = worst quality, 5 = best
quality.
s<0~(m-1)>_h264_qpercent 1~100 45 4/4 Set quality by percentage.
1: Worst quality
100: Best quality
(s<0~(m-1)>_h264_quant =
100)
s<0~(m-1)>_h264_qvalue 0~51 26 4/4 Manual video quality level
input.
(s<0~(m-1)>_h264_quant =
99)