aboutsummaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2012-01-17 09:45:48 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-01-17 09:45:48 -0200
commita34e2a784f8d5b4d26fb3cc378e04296cdc7ad23 (patch)
treea099c7af36c228f5f318aa9b76b56b7c0e0144a2 /Documentation
parent3b6a567afa3250abf280ef535000dc0dc3ed9d52 (diff)
downloadlinux-linaro-stable-a34e2a784f8d5b4d26fb3cc378e04296cdc7ad23.tar.gz
[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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/DocBook/media/dvb/dvbproperty.xml8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml
index ffee1fbbc001..049664192bb7 100644
--- a/Documentation/DocBook/media/dvb/dvbproperty.xml
+++ b/Documentation/DocBook/media/dvb/dvbproperty.xml
@@ -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>