Get More Info At http://www.headendinfo.com/epg-electronic-program-guide-digital-headend/ Join Whatsapp Group : +91 8239222444 Headend INFO Books https://www.headendinfo.com/headend-info-books/ About EPG Or Electronic Program Guide EPG stands for Electronic Program Guide.As its name indicates that it is a program guide that is electronically available provides all the information about the program currently running and following.Thus the user can decide what to watch. Electronic Program Guide is implemented in Television , Radio and also in other multimedia applications.which displays the information about currently running program and upcoming program also. In Digital Headend System the Setup Box understands the EPG and it displays on the TV. EPG is basically list of TV channel programs which are provided by the broadcasters and implemented in digital headend system. Each Tv channel have its separate EPG. The broadcaster can provide EPG in three formats XML,CSV and HTML. EPG Implementation in Digital Headend System In Digital headend system there are many external devices used for to insert the EPG these are named as EPG Builder,EPG Inserter and EPG Generator. The EPG data is carried out through the EIT (Event Information Table) table. This EIT table comes under SI tables. The HEX value for this EIT table is 0x0012 or 18 in Decimal.Thus EPG is inserted through these SI tables in the Transport stream. Basic block diagram for EPG insertion in Digital Headend System is mentioned below, As shown above in the figure there are two encorders. These encorders are encoding the Composite Signal. Composite Signal is called the audio video signal in this case which comes threw our decorders.Now this composite signal is encoded by the encorders which can generate SPTS (Single Program Transport Stream) or MPTS (Multi Program Transport Stream).This SPTS goes as input into the multiplexer which multiplexe and gives MPTS output. PSI SI generator generate the PIDs and EPG generator the EPG these two data goes into the multiplexer. Working of EPG generator is shown below As shown above in the figure EPG source may be in .XML , .CSV or .HTML format. This EPG source file send by the broadcasters we copy in the local storage of the EPG generator from where EPG generator automatically collect it and generate EIT or Event Information Table. Lets describe some important descriptor used in EPG, (1) content_descriptor content descriptor contains the information about the Genre of Event. It contains the table of gener where a single event can have more than one genre (2) component_descriptor component descriptor provide the information about the event like format of subtitle,aspect ratio format and audio language availability etc. (3) short_event_descriptor short eve ... https://www.youtube.com/watch?v=XRCW-dbkNlY

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What is BER MER https://www.headendinfo.com/ber-mer-digital-headend-system/ Join Whatsapp Group : +91 8239222444 ber is known as bit error rate and mer is known as modulation error ratio. Follow Us, Facebook Page: https://www.facebook.com/headendinfo/ Instagram : https://www.instagram.com/ujjwal.swami/ #headendinfo #catv #bermer ... https://www.youtube.com/watch?v=-nwhmb9N8SI

Credit PAYTM Number = +91 8239222444 Join Whatsapp Group : +91 8239222444 Get More Info At http://www.headendinfo.com/encryption-working/ Headend INFO Books https://www.headendinfo.com/headend-info-books/ Follow Us, Facebook Page: https://www.facebook.com/headendinfo/ Instagram : https://www.instagram.com/ujjwal.swami/ 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 BC people were using encryption to send their messages but that technique was the different from now. The speed of encryption and decryption of data is given in MBs there. You need to choose your appropriate algorithm. If you want faster speed of encryption then you should go with AES algorithm which encrypt your data with 183 Mbps and decrypt it in 178 MBps. ... https://www.youtube.com/watch?v=CAVqPQJL5CQ