7 Appendix
7.1 Technical Terms
CIF
Common intermediate format, a format of color images, 352*288 pixels (for PAL
system)
QCIF
Quarter Common Intermediate Format, a format of color images, 176*144 pixels (for
PAL system)
DCIF
Short form of DOUBLE CIF, a format of color images, 528*384 pixels (for PAL system)
2CIF
2-times Common Intermediate Format, a format of color images, 704*288
pixels (for PAL system)
4CIF
Four-times Common Intermediate Format, a format of color images, 704 x
576 pixels (for PAL system)
OSD
On Screen Display
CBR
Constant Bit Rate
VBR
Variable Bit Rate
PTZ
Pan, Tilt & Zoom
USB
Universal Serial Bus
H.264
A new digital video encode standard promoted by the joint video team (JVT) which is
formed by the VCEG (Video Coding Experts Group) under ITU-T and MPEG (Moving Picture
Experts Group) under the International Organization for Standardization (ISO).
FAT32
FAT32 (File Allocation Table) is a kind of file allocation table with cluster counts held in a
4-byte (32-bit) field. For the FAT32 subarea format, each cluster is fixed at 4 KB, and
therefore greatly reduces the waste of disk space and improves the utilization of the disk.
NTFS
NTFS is the standard file system of Windows NT and Windows NT Advanced Server
network operating system.
NTFS is going to provide reliability via the recoverable capacity (event tracing) and the
hot-located fault-tolerant characteristics; a platform to increase functionality; demand for
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