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Welcome to  DALMA Group Co.

 

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VIDEO MULTIPLEXER

AND COMPRESSION

 
Dalma is authorised supplier / installer for RFL.

The preconceived notion that ITS and security quality video requires much more bandwidth than T1 (or E1) is based on outdated methods of video compression. The advanced work being done on video compression has provided for systems which can provide usable high resolution video at speeds as low as 64 kb/s, a single T1(E1) channel. This speed provides about 1-2 frames per second of high-resolution video, which can easily be used for traffic management. Allocation of 3 channels out of the 24 (32) provided by T1 (E1) allows for real motion video that is relatively smooth and clear. Going up to 6 channels or 384 kb/s allows for very smooth real time video for closely examining traffic situations as required. As much as an entire T1 (E1) can be used when desired. The IMUX 2000 Video System from RFL Electronics can be used with all standard cameras and video monitors.

Several different applications can be put together which allow multiple cameras per T1 (E1) link. Since this  equipment costs a fraction of higher bandwidth equipment, many more cameras can be purchased for a given budget. The following two examples show how multichannel simultaneous systems and sequential systems can be designed using the RFL IMUX 2000 Variable Video System.

For transmission of T1 or E1,  with multiple cameras (as well as data, audio, and / or control signals) use a PTT-provided link or use the microwave or laser links which can also be provided by Dalma (see "Communications" page).

 

 

 
Send mail to info@dalma.com.sa with questions or comments about this web site.
Last modified: November 18, 2000

DALMA GROUP Co.

P.O.Box  92559
Riyadh 11663
Saudi Arabia
Tel: (+966) 1 474-0524
Fax: (+966) 1 477-8263