diff options
Diffstat (limited to 'Documentation/media/uapi/dvb/frontend-property-cable-systems.rst')
-rw-r--r-- | Documentation/media/uapi/dvb/frontend-property-cable-systems.rst | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/frontend-property-cable-systems.rst b/Documentation/media/uapi/dvb/frontend-property-cable-systems.rst new file mode 100644 index 0000000..bf232862 --- /dev/null +++ b/Documentation/media/uapi/dvb/frontend-property-cable-systems.rst @@ -0,0 +1,75 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _frontend-property-cable-systems: + +***************************************** +Properties used on cable delivery systems +***************************************** + + +.. _dvbc-params: + +DVB-C delivery system +===================== + +The DVB-C Annex-A is the widely used cable standard. Transmission uses +QAM modulation. + +The DVB-C Annex-C is optimized for 6MHz, and is used in Japan. It +supports a subset of the Annex A modulation types, and a roll-off of +0.13, instead of 0.15 + +The following parameters are valid for DVB-C Annex A/C: + +- :ref:`DTV_API_VERSION <DTV-API-VERSION>` + +- :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>` + +- :ref:`DTV_TUNE <DTV-TUNE>` + +- :ref:`DTV_CLEAR <DTV-CLEAR>` + +- :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` + +- :ref:`DTV_MODULATION <DTV-MODULATION>` + +- :ref:`DTV_INVERSION <DTV-INVERSION>` + +- :ref:`DTV_SYMBOL_RATE <DTV-SYMBOL-RATE>` + +- :ref:`DTV_INNER_FEC <DTV-INNER-FEC>` + +- :ref:`DTV_LNA <DTV-LNA>` + +In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>` +are also valid. + + +.. _dvbc-annex-b-params: + +DVB-C Annex B delivery system +============================= + +The DVB-C Annex-B is only used on a few Countries like the United +States. + +The following parameters are valid for DVB-C Annex B: + +- :ref:`DTV_API_VERSION <DTV-API-VERSION>` + +- :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>` + +- :ref:`DTV_TUNE <DTV-TUNE>` + +- :ref:`DTV_CLEAR <DTV-CLEAR>` + +- :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` + +- :ref:`DTV_MODULATION <DTV-MODULATION>` + +- :ref:`DTV_INVERSION <DTV-INVERSION>` + +- :ref:`DTV_LNA <DTV-LNA>` + +In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>` +are also valid. |