INS_CNVETX1_REV– 06/10/13 PAGE 118
INSTALLATION AND OPERATION MANUAL
CNVETX1
TECH SUPPORT: 1.888.678.9427
General Video Parameters
Table 21: General Video Parameters
Parameter
Value
Default
Description
cam
0
0
CNVETX1 has 1 camera so default is 0
and that parameter is ignored
framerate
Valid values are different depending
on video standard.
PAL:
1,2,4,5,8,10,16,20,25 NTSC:
1,2,3,4,5,6,8,10,12,15, 16,20,24,25,30
1
This is the frame rate divisor. Set it to 1
for full frame rate, 2 for half frame rate,
and so on. The actual frame rate is:
PAL 25/n fps
NTSC 29.97/n fps
std
PAL, NTSC
NTSC
Video standard
Imgsize
D1, 4CIF, CIF, QCIF
CIF
Image Size
MJPEG Parameter
Table 22: MJPEG Parameter
Parameter
Value/Range
Default
Description
q
1 – 99
75
Quality setting for JPEG encoder in percentage.
MPEG-2 Parameters
Table 23: MPEG-2 Parameters
Parameter
Value/Range
Default
Description
rcmode
CBR, CONSTANT_Q CBR
Rate Control Mode.
ngop
1 - 1000
30
Size of GOP (distance between keyframes)
const_bit rate
50000 -10000000
5000000
Constant Bit rate: Applicable only when rcmode =
CBR
Qmin
1 – 111
1
Minimum Quantization: Applicable only when rcmode
= CBR.
Qmax
10 – 112
112
Maximum Quantization: Applicable only when rcmode
= CBR.
Qinit
10 - 100
20
Initial Quantization: Applicable only when rcmode =
CONSTANT_Q.
Qinit
10 - 100
20
Initial Quantization: Applicable only when rcmode =
CONSTANT_Q.
