@@ -116,29 +116,37 @@ Should be set only for terrestrial delivery systems.
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Possible values: ``1712000 ``, ``5000000 ``, ``6000000 ``, ``7000000 ``,
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``8000000 ``, ``10000000 ``.
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- .. note ::
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+ ======================= =======================================================
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+ Terrestrial Standard Possible values for bandwidth
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+ ======================= =======================================================
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+ ATSC (version 1) No need to set. It is always 6MHz.
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+ DMTB No need to set. It is always 8MHz.
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+ DVB-T 6MHz, 7MHz and 8MHz.
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+ DVB-T2 1.172 MHz, 5MHz, 6MHz, 7MHz, 8MHz and 10MHz
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+ ISDB-T 5MHz, 6MHz, 7MHz and 8MHz, although most places
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+ use 6MHz.
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+ ======================= =======================================================
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- #. DVB-T supports 6, 7 and 8MHz.
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- #. DVB-T2 supports 1.172, 5, 6, 7, 8 and 10MHz.
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+ .. note ::
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- #. ISDB-T supports 5MHz, 6MHz, 7MHz and 8MHz, although most
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- places use 6MHz.
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- #. On DVB-C and DVB-S/S2 , the bandwidth depends on the symbol rate.
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- So, the Kernel will silently ignore setting :ref: ` DTV-BANDWIDTH-HZ ` .
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+ #. For ISDB-Tsb , the bandwidth can vary depending on the number of
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+ connected segments .
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- #. For DVB-C and DVB-S/S2, the Kernel will return an estimation of the
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- bandwidth, calculated from :ref: `DTV-SYMBOL-RATE ` and from
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- the rolloff, with is fixed for DVB-C and DVB-S.
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+ It can be easily derived from other parameters
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+ (DTV_ISDBT_SB_SEGMENT_IDX, DTV_ISDBT_SB_SEGMENT_COUNT).
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- #. For DVB-S2, the bandwidth estimation will use :ref: `DTV-ROLLOFF `.
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+ #. On Satellite and Cable delivery systems, the bandwidth depends on
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+ the symbol rate. So, the Kernel will silently ignore any setting
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+ :ref: `DTV-BANDWIDTH-HZ `. I will however fill it back with a
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+ bandwidth estimation.
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- #. For ISDB-Tsb, it can vary depending on the number of connected
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- segments.
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+ Such bandwidth estimation takes into account the symbol rate set with
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+ :ref: `DTV-SYMBOL-RATE `, and the rolloff factor, with is fixed for
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+ DVB-C and DVB-S.
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- #. Bandwidth in ISDB-Tsb can be easily derived from other parameters
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- (DTV_ISDBT_SB_SEGMENT_IDX, DTV_ISDBT_SB_SEGMENT_COUNT).
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+ For DVB-S2, the rolloff should also be set via :ref: `DTV-ROLLOFF `.
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.. _DTV-INVERSION :
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