Documentation:Modules/dtv/Linux options

Options (dummy section)

• dvb-adapter <integer [0 .. 255]> : If there is more than one digital broadcasting adapter, the adapter number must be selected. Numbering starts from zero. default value: 0
• dvb-device <integer [0 .. 255]> : If the adapter provides multiple independent tuner devices, the device number must be selected. Numbering starts from zero. default value: 0
• dvb-budget-mode <boolean> : Only useful programs are normally demultiplexed from the transponder. This option will disable demultiplexing and receive all programs. default value: false
• dvb-frequency <integer [0 .. 107999999]> : TV channels are grouped by transponder (a.k.a. multiplex) on a given frequency. This is required to tune the receiver. default value: 0
• dvb-inversion <integer> { -1, 0, 1 } : If the demodulator cannot detect spectral inversion correctly, it needs to be configured manually. default value: -1

Terrestrial reception parameters

• dvb-bandwidth <integer> { 0, 10, 8, 7, 6, 5, 2 } : Bandwidth (MHz) default value: 0
• dvb-transmission <integer> { -1, 1, 2, 4, 8, 16, 32 } : Transmission mode default value: 0
• dvb-guard <string> { "1/128", "1/32", "1/16", "19/256", "1/8", "19/128", "1/4" } : Guard interval default value: ""

DVB-T reception parameters

• dvb-code-rate-hp <string> { "", "0", "1/2", "3/5", "2/3", "3/4", "4/5", "5/6", "6/7", "7/8", "8/9", "9/10" } : The code rate for Forward Error Correction can be specified. default value: ""
• dvb-code-rate-lp <string> { "", "0", "1/2", "3/5", "2/3", "3/4", "4/5", "5/6", "6/7", "7/8", "8/9", "9/10" } : The code rate for Forward Error Correction can be specified. default value: ""
• dvb-hierarchy <integer> { -1, 0, 1, 2, 4 } : Hierarchy mode default value: -1
• dvb-plp-id <integer [0 .. 255]> : DVB-T2 Physical Layer Pipe default value: 0

ISDB-T reception parameters

• dvb-a-modulation <string> { "", "QAM", "16QAM", "32QAM", "64QAM", "128QAM", "256QAM", "8VSB", "16VSB", "QPSK", "DQPSK", "8PSK", "16APSK", "32APSK" } : The digital signal can be modulated according with different constellations (depending on the delivery system). If the demodulator cannot detect the constellation automatically, it needs to be configured manually. default value: NULL
• dvb-a-fec <string> { "", "0", "1/2", "3/5", "2/3", "3/4", "4/5", "5/6", "6/7", "7/8", "8/9", "9/10" } : The code rate for Forward Error Correction can be specified. default value: NULL
• dvb-a-count <integer [0 .. 13]> : Layer A segments count default value: 0
• dvb-a-interleaving <integer [0 .. 3]> : Layer A time interleaving default value: 0
• dvb-b-modulation <string> { "", "QAM", "16QAM", "32QAM", "64QAM", "128QAM", "256QAM", "8VSB", "16VSB", "QPSK", "DQPSK", "8PSK", "16APSK", "32APSK" } : The digital signal can be modulated according with different constellations (depending on the delivery system). If the demodulator cannot detect the constellation automatically, it needs to be configured manually. default value: NULL
• dvb-b-fec <string> { "", "0", "1/2", "3/5", "2/3", "3/4", "4/5", "5/6", "6/7", "7/8", "8/9", "9/10" } : The code rate for Forward Error Correction can be specified. default value: NULL
• dvb-b-count <integer [0 .. 13]> : Layer B segments count default value: 0
• dvb-b-interleaving <integer [0 .. 3]> : Layer B time interleaving default value: 0
• dvb-c-modulation <string> { "", "QAM", "16QAM", "32QAM", "64QAM", "128QAM", "256QAM", "8VSB", "16VSB", "QPSK", "DQPSK", "8PSK", "16APSK", "32APSK" } : The digital signal can be modulated according with different constellations (depending on the delivery system). If the demodulator cannot detect the constellation automatically, it needs to be configured manually. default value: NULL
• dvb-c-fec <string> { "", "0", "1/2", "3/5", "2/3", "3/4", "4/5", "5/6", "6/7", "7/8", "8/9", "9/10" } : The code rate for Forward Error Correction can be specified. default value: NULL
• dvb-c-count <integer [0 .. 13]> : Layer C segments count default value: 0
• dvb-c-interleaving <integer [0 .. 3]> : Layer C time interleaving default value: 0

Cable and satellite reception parameters

• dvb-modulation <string> { "", "QAM", "16QAM", "32QAM", "64QAM", "128QAM", "256QAM", "8VSB", "16VSB", "QPSK", "DQPSK", "8PSK", "16APSK", "32APSK" } : The digital signal can be modulated according with different constellations (depending on the delivery system). If the demodulator cannot detect the constellation automatically, it needs to be configured manually. default value: NULL
• dvb-srate <integer [0 .. UINT64_C(0xffffffff)]> : The symbol rate must be specified manually for some systems, notably DVB-C, DVB-S and DVB-S2. default value: 0
• dvb-fec <string> { "", "0", "1/2", "3/5", "2/3", "3/4", "4/5", "5/6", "6/7", "7/8", "8/9", "9/10" } : The code rate for Forward Error Correction can be specified. default value: ""

DVB-S2 parameters

• dvb-stream <integer [0 .. 255]> : Stream identifier default value: 0
• dvb-pilot <integer> { -1, 0, 1 } : Pilot default value: -1
• dvb-rolloff <integer> { -1, 35, 20, 25 } : Roll-off factor default value: -1

ISDB-S parameters

• dvb-ts-id <integer [0 .. 0xffff]> : Transport stream ID default value: 0

Satellite equipment control

• dvb-polarization <string> { "", "V", "H", "R", "L" } : To select the polarization of the transponder, a different voltage is normally applied to the low noise block-downconverter (LNB). default value: ""
• dvb-voltage <integer [0 .. 18]> : "" default value: 13
• dvb-high-voltage <boolean> : If the cables between the satellilte low noise block-downconverter and the receiver are long, higher voltage may be required. Not all receivers support this. default value: false
• dvb-lnb-low <integer [0 .. 0x7fffffff]> : The downconverter (LNB) will subtract the local oscillator frequency from the satellite transmission frequency. The intermediate frequency (IF) on the RF cable is the result. default value: 0
• dvb-lnb-high <integer [0 .. 0x7fffffff]> : The downconverter (LNB) will subtract the local oscillator frequency from the satellite transmission frequency. The intermediate frequency (IF) on the RF cable is the result. default value: 0
• dvb-lnb-switch <integer [0 .. 0x7fffffff]> : If the satellite transmission frequency exceeds the switch frequency, the oscillator high frequency will be used as reference. Furthermore the automatic continuous 22kHz tone will be sent. default value: 11700000
• dvb-satno <integer> { 0, 1, 2, 3, 4 } : If the satellite receiver is connected to multiple low noise block-downconverters (LNB) through a DiSEqC 1.0 switch, the correct LNB can be selected (1 to 4). If there is no switch, this parameter should be 0. default value: 0
• dvb-uncommitted <integer> { 0, 1, 2, 3, 4 } : If the satellite receiver is connected to multiple low noise block-downconverters (LNB) through a cascade formed from DiSEqC 1.1 uncommitted switch and DiSEqC 1.0 committed switch, the correct uncommitted LNB can be selected (1 to 4). If there is no uncommitted switch, this parameter should be 0. default value: 0
• dvb-tone <integer> { -1, 0, 1 } : A continuous tone at 22kHz can be sent on the cable. This normally selects the higher frequency band from a universal LNB. default value: -1

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