The Network Video Recorder

The noticeable growth in the demand for IP cameras apparently leads to the growth in the demand for Network Video Recorders. What is a Network Video Recorder? The NVR is a full-featured Digital Video Surveillance System that manages all IP-based cameras. That's easy to understand. But what's more important to know are the primary factors that need to be considered in choosing the right NVR for a specific project.

The better NVR in the market features advanced capabilities such as powerful Remote Access, Motion Detection, Event Management and superior Image Quality. Another impressive feature it may offer is the Bandwidth-Saver function via Live View Streaming. With this feature, it will be possible for you to stream all channels using Constant and Lower Bandwidth regardless of the number of videos streamed through the network.


NVR System Diagram:

NVR Live View Streaming Diagram:



Primary NVR Features:

• Support for Major Network Video Device Manufacturers such as Samsung, Panasonic, Axis, Vivotek, ACTi, Etrovision and other known brands

• Any Authorized Client can have direct access to any IP camera connected to the NVR for Monitoring and Control from anywhere in the world

• Fully integrates with CMS (Central Monitoring System) and provides a seamless migration path for PC-Based DVRs, Hybrid DVRs and Network Video Servers

Take Note: Evaluate the project, Identify the required Features and Functions then Select the best NVR suited for the Job.

POS DVR Integration: Text Insertion

Text Insertion is a method of inserting or displaying text on the video display of the DVR. The text will be saved and time‐stamped together with the video. The text can be used to search for specific video clips. Lastly, the text can also be displayed during playback.


Overview

The following diagram illustrates how text may be inserted onto the video.




The DVR listens to incoming TCP/IP connections from other devices connected to the network. These devices may be a Point-Of-Sale terminal, an access control system or any application capable of sending data via TCP/IP.

Once the DVR receives data, the DVR authenticates the sender and validates the data. If valid, the text information is superimposed onto the video of the camera or cameras specified by the sender. Simultaneously, the text information is stored to disk with the video, and stored to a database for search purposes. Search may be performed on the DVR or remotely via a client software application.


POS DVR Demo



POS DVR System Benefits:

• Quick resolution of sales discrepancies by recalling the relevant video footage on the POS machine
• Seamless integration of DVR and POS into a single operating environment enhances overall system reliability
  

Some POS DVR Applications:

The POS DVR is an ideal security system for Retail Enterprises looking for a fully integrated Digital Video Surveillance solution:

• Retail Stores
• Convenience Stores
• Fast Food Restaurants
• Petrol Stations
• Grocery Stores
• Parking Toll Booths

The Network Video Servers

The Network Video Server is a high resolution network based video server which converts video signals from analog cameras into full frame rate IP-MPEG4 streams and transmit these video images to remote clients over an IP network, such as LAN, intranet or Internet.

Important Features:

Full D1 Streaming
Live video and audio streams are available at full frame rate, real-time full D1 resolution (NTSC: 720x480, PAL: 720x576) making the image clearer.


Triple Encoding Technology for Multi-Device Streaming
Supports simultaneous encoding of D1, CIF and QCIF to allow multi-platform viewing.



TV Out Support
Capable of displaying the videos directly to a regular TV Set in high quality resolution. With TV Out function and IR Control, you can easily do on-site installation setup, configure video quality and perform local monitoring even without network.


Bandwidth Usage Saver
With the new Live View Streaming feature, you can view all cameras real-time in MPEG4 format which is significantly smaller in size than the JPEG and MPEG streaming. Aside from individual streaming of channels, it offers MUX streaming which allows streaming of multiple cameras using constant bandwidth.

Important Applications:

Traffic monitoring, School Video Surveillance, Construction Site Monitoring, Production Lines and Factory Monitoring, Warehouse Management, Retail, etc.