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U/M-2013-1000
Revision B
S1080 User’s Manual
Page A-4
Company Proprietary
August 22, 2013
Acronym/
Abbreviation
Definition
NTSC
National Transmission Standards Committee
In NTSC countries, use a multiple of 60; in PAL countries, use a multiple of 50.
NVR
Network Video Recorder
ONVIF v1.02
compliance
Open Network Video Interface Forum
The updated Test Tool (v1.02.4) and the accompanying Test Specification represents the
continuing work of ONVIF’s Technical Services Committee to enhance and refine the
ONVIF specification and the testing parameters by which products are declared to
conform to the ONVIF specification.
OSD
On-screen Display
PAL
Phase Alternating Link
In PAL countries, use a multiple of 50; in NTSC countries, use a multiple of 60 (also see
NTSC).
PC
Personal Computer
POE 802.3af
Power-over Ethernet standard
Profile
See H.264 profile
QP mode
Quantization Parameter
Rate control: by means of a "virtual buffer", sets the reference value of the quantization
parameter for each macro block.
Quality Factor
A multiplication factor used to ensure that graphics or image file size i.e., amount of
information is sufficient for requisite quality. The normal requirement is that file size
should be sufficient for 1.25 to a maximum of 2 times the screen or output frequency.
QVGA
Quarter Video Graphics Array (320 x 240)
Rate control
Frame rate control allows the network camera to send images only at the specified frame
rate.
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