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Maintain SNR CNR For Headend

Introduction  Of  SNR CNR SNR and CNR are the two terms which often used in the analog and digital communication. This ratio is measured in dB. SNR is basically signal to noise ratio or strength of the signal to the noise level in the signal. CNR stands for Carrier...
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What Is Encryption And Encryption Working

encryption in headend
Encryption  Introduction The word Encryption came from word Kryptos. Kryptos is a Greek word meaning of Kryptos is secret or hidden. Encryption is the process in which we encrypt our data for protection from third parties. This is very essential thing in today’s technology. Even is early 1900...
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C Band Ku Band For CATV Headend

c band ku band for catv digital headend
If you are a Headend Engineer or working for cable industry like Headend INFO then there is basic need for you to understand the phenomenon behind the C Band Ku Band system. These two things are most essential part of a headend weather it is Digital Headend or Analog...
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ECM EMM In CA System Or Conditonal Access System

ecm emm for digital headend ca system
ECM  EMM  Introduction ECM stands for Entitled Control Message while EMM stands for Entitled Management Message. ECM EMM are the two most important part of CA System or Conditional Access System. ECM and EMM are with the Transport Stream to the subscriber end. ECM EMM denotes weather the...
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What Is LNB Or LNA In Digital Headend

lna or low noise block for digital headend
LNB  Introduction In Headend weather it is Digital Headend or Analog Headend the dishes are mounted on the top of the headend. Dishes are the important part of the headend which helps the headend to receive the signal from the satellite. There are generally two type of dishes...
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Digital Modulation In CATV Headend

modulation in DIGITAL headend
Introduction If you are in cable industry or working for cable industry then there is basic need to understand the modulation techniques used in the cable tv headend. This is the basic concept used in the CATV Headend. In cable tv industry we use the terms DVB stands...
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Bnsg 9000 QAM Working And Specification Overview

bnsg 9000 QAM
Bnsg  9000  QAM  Introduction Bnsg 9000 QAM is broadcast EdgeQAM (Quadrature Amplitude Modulator). It is based on NSG 9000 platform. Bnsg 9000 have highly integrated digital video gateway which is used for to multiplex transport streams on IP. It supports the MPEG processing and Scrambling feature too. Bnsg...
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PSI SI Tables For DVB or PSI SI Tables

mpeg psi dvb si tables
PSI  Tables PSI is called Program Specific Information. PSI contains the data that enable the STB to demultiplex the services. These services are carried out in one or more streams all of these streams are having the PIDs. The services are scrambled but the PSI tables are not scrambled...
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IP Headend Architecture And Working

ip headend working
IP  Headend  Introduction Basically IP headend is a headend that runs on Internet Protocol. In IP headend each device is controlled by IP from one server. In IP headend we receive every signal in IP and gives IP output. Internet Protocol Address or IP Address is also known...
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What Is Digital Headend Or Cable TV Headend

digital headend or cable headend
Introduction  Of  Digital  Headend Basically a headend is server which receive the signal from the dishes then decodes , multiplex , encodes and then transmit it via modulators. Traditionally we were using the Analog Headend with limited number of services. Number of channels were increasing day by day...
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