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[media] DocBook/dvbproperty.xml: Better name the ISDB-T layers

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In order to improve the DVB index, replace the title to a
better name.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-06-07 23:08:19 -03:00
parent ff74b8ee52
commit 446c18fcfd
1 changed files with 2 additions and 1 deletions
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3
Documentation/DocBook/media/dvb/dvbproperty.xml
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@ -449,13 +449,14 @@ typedef enum fe_delivery_system {
<para>Note: This value cannot be determined by an automatic channel search.</para>
</section>
<section id="isdb-hierq-layers">
<title>Hierarchical layers</title>
<title><constant>DTV-ISDBT-LAYER*</constant> parameters</title>
<para>ISDB-T channels can be coded hierarchically. As opposed to DVB-T in
ISDB-T hierarchical layers can be decoded simultaneously. For that
reason a ISDB-T demodulator has 3 viterbi and 3 reed-solomon-decoders.</para>
<para>ISDB-T has 3 hierarchical layers which each can use a part of the
available segments. The total number of segments over all layers has
to 13 in ISDB-T.</para>
<para>There are 3 parameter sets, for Layers A, B and C.</para>
<section id="DTV-ISDBT-LAYER-ENABLED">
<title><constant>DTV_ISDBT_LAYER_ENABLED</constant></title>
<para>Hierarchical reception in ISDB-T is achieved by enabling or disabling