2 technical terms – eLine Technology iVMS-2000 V2.0.2 User Manual

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iVMS-2000 User Manual


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7.2 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

POSIX support; and also elimination of FAT and HPFS file system limitations.

NTSC

NTSC (National Television Standards Committee) is a color TV broadcast standard with

30 fps frame rate, and is widely used in North-America, Japan, and South-American
countries.

PAL

PAL (Phase Alternation by Line) is is a color TV broadcast standard with 25 fps frame

rate, and is widely used in UK, East and Middle Asia, Europe and African countries which
adopts 50Hz AC power supply.

.WAV

Short for Waveform audio format, a kind of Digital Audio File Formats

Patrol

PTZ moving track

Preset

Preset PTZ position

PTZ

A mechanism device to pan, tilt or zoom the cameras,

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