Datasheet

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.