Video Surveillance Systems

In this day and age a simple security system is present in most businesses and in video-surveillance-security-system_3
almost every private home. A security system may or may not protect you from an intruder, but in order to catch these individuals and prevent your business and home from being invaded, destroyed and violated in the first place you need to make a stand.

 

With a Video Surveillance System police will be able to catch and convict these criminals with irrefutable evidence. Now we all know that the best evidence is evidence that could not be argued in a court of law and that is a video clip.

 

Special Recording Systems, Ltd. offers the following equipment for video surveillance system construction:

IP video surveillance systems

IP cameras

Video recording systems

 

We firmly believe that the days of expensive time-lapse VCR's, multiplexers, splitters and dumb monitors are numbered. Today, this expensive and performance-limited equipment can be replaced by computer technology to give better recording quality, control and functionality, including remote viewing.

 

Why Video Surveillance?

Five basic reasons why most people would want to use any form of video surveillance:

1. Help identify predators in order to file criminal charges
2. Help prevent accidents and wrongdoing by making it visible and noticeable to the public
3. Help protect coworkers, clients, and personal property
4. Help observe your place of business from a remote location
5. Help lower your insurance costs (*depending on the insurance carrier)

Who can benefit from Video Surveillance?

Retail Stores, dealerships, and any office establishments can protect themselves at night and reduce Insurance costs, by lowering vandalism and theft, as well as reduce the possibility of false insurance claims during slip and fall accidents.
Small Businesses can prevent and identify shoplifters or burglars and keep an eye on the business from home. Sadly, today, employee theft is now higher in retail then customer theft and monitoring retail employees is becoming necessary.
Homeowners can identify who is at the door, check on the baby or check the house if they are away from home via secure password protected connection.
Education and Government facilities can keep an eye on trouble spots 24 hours a day 7 days a week.
 

Indications for choosing a pure analog system

Analog can meet user's recording needs for a lower cost - there are many lower-video_surveillance_2
end, low resolution IP cameras that are low in cost. But high-end IP and megapixel cameras are very expensive, and the disk capacity required to store the higher volume of video data is a very significant increased expense. Across a network array of hundreds or thousands of cameras this cost can be prohibitive. A large network of IP cameras will usually require the installation of a separate network so traffic doesn't exceed bandwidth. An installation of just 40 cameras of 1000 Kbps-1 Mbps each will overtax many existing corporate networks. Many high-end analog cameras, though limited in resolution to 704x576 pixels (PAL) or 720 x 480 pixels (NTSC), use image processing, automatic back focus and imager sensitivity to produce images that are superior in quality and clarity to a similarly or higher-priced IP camera.

 

The cost advantage of analog recording is especially true for users who already have a legacy coaxial or UTP wiring in place and do not need to install a large number of cameras (analog cameras require a lot of wiring, which can be expensive and disruptive in terms of site modifications).

Network traffic exceeds the user's existing capacity - IP camera recording and viewing will increase network traffic, especially with lots of IP cameras or with or megapixel cameras. If recording will exceed the existing network capacity, a user will need to add the costs of installing an additional network for the video to the operational and equipment costs of pure IP when comparing it to analog and analog-IP hybrid options.

Ability to avoid hardware upgrade expenses - IP cameras tend to rely on the processing power of the CPU. Many analog systems use additional processors to share the video processing with the CPU. But an IP camera stream comes into the network port and requires the CPU to be recorded and viewed. This limits the number of IP cameras that can be added the load the server systems are able to process. These factors depend on bitrate and video encoding format (MJPG, H.264, MPEG). And most IP cameras send large files (MJPEG) to the server to process and store. These files provide a good image but are very large and consume large amounts of storage very quickly. Newer compression formats on the horizon for IP cameras will help address this issue.

Need for minimum latency - latency is defined as the time it takes for an image captured at a camera source to be presented to a system user. Every camera has latency to a degree, because the data travels from one location to another. It is much greater for IP systems, however, because their signals need to be encoded at the source and then must travel through the network to the decoder in order to be presented to the user. Because analog signals are point-to-point (camera-to-monitor), they don't have the additional latency caused by network routing and the encoding and the decoding process. Because of this they are typically preferred in industries such as gaming and corrections.

Need for system to suit staff abilities - many businesses operate without complex or extensive computer systems and do not have a need for the dedicated IT professional(s) required to provide timely and effective response to network emergencies on a system of any size or complexity.

Wider camera variety and choice - there are a large variety of Analog cameras (for instance, mini covert cameras and pan-tilt-zoom cameras in various sizes and shapes) to choose from. With IP cameras, not every vendor has many varieties and not every vendor's surveillance software supports others' cameras. In many organizations, physical security staff takes care of the surveillance system administration as well as the overall security plan design and implementation, and there are no existing IT needs that require IT professionals.

Vendor relationships and support - vendor relationships have the power to greatly enhance or greatly damage the user experience and dissolve the integrator's margin. Integrators and users at installations that already have analog cameras have an existing relationship with the manufacturer, so support and trust in the product are already in place. If the camera or DVR manufacturer with whom a relationship exists doesn't have/support IP cameras, a new relationship of trust and access to support must to be developed.
 

Indications for choosing a pure IP camera system

Ability to use an existing IT network - in some cases, digital video video systems video_surveillance_system_2
with IP cameras can be plugged into the existing IP infrastructure. And other times the cost for the upgrade to the network to make it viable for video is easily managed. A user with an existing Ethernet network which is able to handle large amounts of data, who just needs a few cameras or plans to record low frame rates or low resolution, is a good case for a pure IP system. Recording at the "edge" of the network with only occasional requests for video over the main network may also provide a way to implement IP video on existing infrastructure.


Quick and easy data protection - in many mission-critical recording environments, lost or missing data is not acceptable. IP systems can shorten response times and speed up DVR reassignments.

In cases where a DVR goes offline, the user can use software to reassign the camera to a different DVR without making any wiring changes. Response times recording problems are also fast, since the recording systems are monitored at the IT network management level alongside all the other servers, routers, switches, and network applications.

Ability to move and add cameras easily - users with fluctuating camera counts and locations can avoid the need to power down recording servers to add, move, or remove cameras. This means seamless, pain-free recording from existing cameras, rather than scheduled downtime with alternate-server recording or missed recording.

Ability to collect megapixel images - users who need really high-resolution imagery want the ability to selectively deploy network cameras providing images with resolutions at least four times higher than analog images - which means much more detail than an analog camera (which is limited to standard image dimensions that do not exceed 704x576 pixels (PAL) or 720 x 480 pixels (NTSC) image after the signal has been digitized in a DVR or a video server). Megapixel cameras can collect so much information that you can zoom in to catch the smallest, subtlest detail of a video frame. Megapixel IP cameras can provide superior, unambiguous images of point-of-sales transactions and other events that can be used for business intelligence, loss prevention, and security.

Ability to use facial recognition analytics - facial recognition software depends on high-resolution images to be effective. Any camera being filtered for facial recognition should have more than the 704x576 pixels (PAL) or 720 x 480 pixels (NTSC) provided by an analog camera.

Minimum disruption and installation expense - even in cases where a new Ethernet network needs to be installed to handle video traffic, pure IP surveillance systems are less disruptive to install than their pure analog counterparts. Unlike IP systems, analog systems require the installation of a direct coaxial, Fiber, or UTP cable running from every camera to a DVR, as well as additional encoding hardware to be installed on the DVR itself. IP systems can also distribute the power and HVAC loads to help users avoid expensive and disruptive site modifications to HVAC and other site features.

Need for video transmission over wide geographical range - putting video on the IT network makes it possible to use switches, hubs, and routers to expand the network to a broader range. Analog cameras have significant transmission limits over wide surveillance areas, and they are not appropriate for some wide-area installations due to their need to be physically cabled to a DVR.

Need for advanced features like digital zoom, which are not available in analog cameras - many new IP cameras have on-board encoding and analytics as well as sought-after features that certain users need to successfully implement their surveillance plan.

Need for camera-level redundant recording - some IP cameras can provide redundancy by recording onto built-in memory cards.

Our specialists will offer you the right video surveillance solutions if you send us your inquiry with the requirements for the video surveillance system.
 
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