DVR/NVR'sSpecial Feature
DVR and NVR are now the major players in the market for image storage devices for CCTV, and although there are clear advantages and limitations to both systems, the choice of which storage technology to adopt will depend largely on the specific requirements and capabilities of each business. Pauline Norstrom, Chairman of the British Security Industry Association’s (BSIA) CCTV section, reports. |
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The two new Samsung SRN network video recorder series have been designed to have the look and familiarity of a DVR, whilst delivering all the benefits of an NVR. The four channel SRN-470D and sixteen channel SRN-1670D both utilise H.264 compression to minimise bandwidth requirements whilst maintaining high image quality and also offer the option of using MPEG-4 or MJPEG compression. A recording throughput of 64mbps allows both models to simultaneously record in real time 704 x 480 resolution images from all connected cameras or up to Full HD (1920 x 1080) from selected cameras from Samsung’s comprehensive range of IP cameras, Full HD megapixel, HD megapixel, 4-CIF and VGA cameras. |
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The SD Advanced Closed IPTV Model is the perfect hybrid CCTV system product, designed to bridge the gap between legacy analogue camera estates and new IP and HD camera technology. The core advantage of the SD Advanced Closed IPTV Model is that High Definition (HD) IP cameras can be added incrementally while the user can seamlessly leverage the existing analogue camera network through the same system. Our system also allows both the analogue and IP cameras to be managed and controlled from a single user interface using our powerful VMS product NetVu ObserVer. This is available for Windows, Linux, Mac and Sparc platforms creating a truly flexible viewing architecture across multiple control devices.
SD Advanced Closed IPTV hybrid systems provide powerful security surveillance features such as alarm integration, MultiMode recording, TransCoding and on-board analytics such as ANPR, Object left/removed and virtual tripwire. Such features do not exist in other IP/hybrid products on the market. |
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 Wavestore launches new VMS Wavestore’s latest update of it VMS (video management software), Version 5, incorporates technical advances designed to extend the lifespan of a video surveillance system and reward users with a high return on their investment. Wavestore V5 software allows video images to be configured and displayed on a monitor in a large variety of sizes, formats and positions. It provides the option to switch from classical 1, 4, 9 or 16 camera layouts, to a free-form structure which enables each operator to configure their own unique display. |
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Central to the range is the VUgarde Pro software which is based on true client server architecture and gives full control of live and recorded video and alarm system management. The product provides full control of both live and recorded video, PTZ control and alarm management through an extremely intuitive user map interface. VUgarde PRO has been designed with ease of use to the fore, with drag and drop functionality throughout to make the display of multiple live and recorded video streams an extremely straightforward task. |
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NVR and DVR explained 
Digital Video Recording (DVR) was introduced to the analogue CCTV market as an alternative to the more dated VCR, in the same way that DVDs replaced videocassettes in the 1990s. The rapid change from VCR to DVR technology accelerated as a result of falling prices, improved reliability and a variety of operational advantages to storing footage digitally. For example, compared with tape recorders, digital alternatives provided ease of use and the ability to search for specific recorded data quickly. Moreover, further developments in the technology meant the issues surrounding storage capabilities were soon overcome thanks to the improved capacity of hard drives.
Unlike most NVRs, which can only be programmed remotely, the two new models can also be locally configured and controlled with the help of a mouse and a very easy to use multi-language on-screen graphical user interface.
The SD Advanced is a powerful hybrid DVR/NVR capable of streaming and re-display seamlessly in any combination of analogue or IP video includin g megapixel / HD IP Cameras. It is ideal for use in medium sized commercial and retail applications such as supermarkets, hotels and banking where IP cameras are required to cover specific areas such as tills, cash points and other areas where identification is required, while the rest of the system is operating with an existing analogue infrastructure. .png)
“A combination of original thinking and invaluable input from a large number of our loyal customers has resulted in our software evolving into a truly powerful recording solution with an almost endless list of innovative new features,” said Chris Williams, a Director of Wavestore. “V5 maintains the company’s tradition of providing easy to use open platform video recording solutions whilst its flexibility and scalability sets a new standard in video management.”
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