Introduction
There are lot of problems which a Headend Engineer faces in his daily routine. These problems can be variable behavior of a particular device like Professional IRD or Encoder or Data switch, Lips Synchronization , Low input RF signal strength, Delivery System, low video quality, along with audio level and closed captions are not as per govt standard etc.
Which sometimes takes less amount of time to resolve, in compared with fault detection
What if most these problems can be detected automatically by monitoring system ?
YES it can be done even many large professional service providers are using these Headend Monitoring System already.
So in this article we will see what is a standard headend monitoring system, how it works, what are its features and what are headend monitoring solution providers in brief.
How To Monitor Headend ?
There are lot of Headend Monitoring Solution providers which you can implement in your system to reduce the downtime of your services.
They generally provide you a hardware installed with their customized monitoring software. This Monitoring System you need to integrate with your system to monitor the services.
What Headend Monitoring System Do ?
These headend monitoring system are having lot of functions like they detect the Lips Synchronization issue, Colors of service, audio level of services, no RF input, low video and audio quality etc.
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How Headend Monitoring System Works ?
A Standard Headend Monitoring System is having three steps of process named as Source Analysis , Headend Analysis and Edge Analysis. These three part of analysis are connected with Central Monitoring System.
So it a complete solution from sources to delivery of services. Which helps you to detect the fault in very small period of time.
As shown above in the figure sources provides the raw feeds of data. A virtual prob is installed there for Source Analysis. Then this signal goes into the encoders for encoding.
After that multiplexing is done by multiplexer. At the output of multiplexer one probe is installed for Headend Analysis.
Now this signal goes for transcoding in the cloud. Then ads are inserted (SCETE 35) into this signal as mentioned in diagram. At this output a prob is also installed for Edge Analysis..
Now the data of Source Analysis, Headend Analysis and Edge Analysis goes into the Central Monitoring System. Which collects the data and displays the alarms as they arises in system with its location.
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What Are Features Of Headend Monitoring ?
(1) Headend Monitoring System can be used for your National headend and for your local headends too.
(2) It is used for Video Quality Management Of Headend.
(3) It monitor the Audio quality Level. weather it is as per govt guidelines or not.
(4) It also monitors Closed Captions as per govt guidelines.
(5) It is easy to integrate with third party devices for monitoring in headend for SNMP.
(7) Your various headends can be controlled from a central location. It also supports various admin panels for monitoring.
(8) It reduces the downtime of your services.
(9) It reduces the man power at the headend.
(10) It is able to decode and monitor large number of services. Also generates the log file for them. Which can be used for future reference.
What Are Headend Monitoring Solution Providers ?
(1) Teleste
(2) Grass Valley
(3) Sencore
Conclusion
Headend Monitoring System is necessary for your system in case you want to reduce the downtime of your services. Some advanced monitoring system also faciliate you that your provided services are according to your countries guideline or not. Which is very useful to reduce the complexity of headend.
We have explained above implementation of standard headend monitoring system which is easy to understand. Because there are the various headend monitoring solution providers which can have little bit different technique to integrate their monitoring system with headend.
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