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[media] DocBook/dvbproperty.xml: Fix the units for DTV_FREQUENCY 

The units for DTV_FREQUENCY are kHz for satellital delivery systems
(DVB-S/DVB-S2/DVB-TURBO/ISDB-S). Fix it at the API spec.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-01-17 09:45:48 -02:00
parent 3b6a567afa
commit a34e2a784f
1 changed files with 5 additions and 3 deletions
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8
Documentation/DocBook/media/dvb/dvbproperty.xml
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@ -163,14 +163,16 @@ get/set up to 64 properties. The actual meaning of each property is described on
<section id="DTV-FREQUENCY">
<title><constant>DTV_FREQUENCY</constant></title>
<para>Central frequency of the channel, in HZ.</para>
<para>Central frequency of the channel.</para>
<para>Notes:</para>
<para>1)For ISDB-T, the channels are usually transmitted with an offset of 143kHz.
<para>1)For satellital delivery systems, it is measured in kHz.
For the other ones, it is measured in Hz.</para>
<para>2)For ISDB-T, the channels are usually transmitted with an offset of 143kHz.
E.g. a valid frequncy could be 474143 kHz. The stepping is bound to the bandwidth of
the channel which is 6MHz.</para>
<para>2)As in ISDB-Tsb the channel consists of only one or three segments the
<para>3)As in ISDB-Tsb the channel consists of only one or three segments the
frequency step is 429kHz, 3*429 respectively. As for ISDB-T the
central frequency of the channel is expected.</para>
</section>