What is DVB-T and how does it work?
What is DVB-T and how does it work?
It allows the receiver to cope with strong multipath situations. Within a geographical area, DVB-T also allows single-frequency network (SFN) operation, where two or more transmitters carrying the same data operate on the same frequency.
What is a guard interval in DVB-T?
DVB-T is a COFDM transmission technique which includes the use of a Guard Interval. It allows the receiver to cope with strong multipath situations. Within a geographical area, DVB-T also allows single-frequency network (SFN) operation, where two or more transmitters carrying the same data operate on the same frequency.
What are the different DVB-T modulation schemes?
DVB-T offers three different modulation schemes ( QPSK, 16QAM, 64QAM ). DVB-T has been adopted or proposed for digital television broadcasting by many countries ( see map ), using mainly VHF 7 MHz and UHF 8 MHz channels whereas Taiwan, Colombia, Panama and Trinidad and Tobago use 6 MHz channels.
Which DVB tuner is used in Guigui?
GUI Gtk based, this program use a DVB tuner as TS source, written on top of Linux DVB API. The main goals of the program are to scan and display the tables, sections and descriptors as they are packed and delivered according to ETSI and ISO 13818 standards. TV. If you have an HDHomeRun tuner you could use it as well.
What is occupied bandwidth in DVB-T?
The occupied bandwidth is designed to accommodate each single DVB-T signal into 5, 6, 7, or 8 MHz wide channels. The base band sample rate provided at the DAC input depends on the channel bandwidth: it is is the channel bandwidth expressed in Hz.
What is the maximum distance between transmitters in DVB mode?
The Maximum guard interval in DVB-T mode is 224us this gives a maximum distance between transmitters of 67.2 km. The maximum guard interval in DVB -T2 mode is 532us this give a maximum distance
