What is the difference between DVB-T and DVB-T2? DVB-T used 2k & 8k sizes. DVB-T2 has additional flexibility with 1k, 2k, 4k, 8k, 16k & 32k (additional FFT’s of 16k and 32k significantly increase payloads) This refers to the number of carriers per a given bandwidth for an 8 MHz Channel , the normal carrier mode bandwidth is 7.61 MHz.
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3 DVB-T and DVB-T2 . DVB-T is the most widely adopted and deployed DTT standard. Since its publication in 1997, over 70 countries have deployed DVB-T services and 69 countries have now adopted or deployed DVB-T2. This well-established standard benefits from massive economies of scale and very low receiver prices [13]. DVB-T2 is the world’s
DTT system implemented or adopted (Source: DVB/EBU/BNE DTT Deployment Database, November 2023) The map above illustrates that DVB solutions are used for terrestrial broadcasting in most parts of the world. The main exceptions are North and South America, where ATSC and ISDB-T respectively are dominant. Both China and Japan use their own self
I don't have the original spec, but wikipedia seems to think DVB-t did use FEC. The specific algorithms are different between DVB-T and DVB-T2 though. DVB-T seems to use some variant of RSV coding, while DVB-T2 uses LDPC+BCH coding. Keep in mind that most modern digital communication systems use at least some type of FEC.
QdMW. difference between dvb t and dvb t2
