Ac3overdvb-patch: Difference between revisions

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==Description==
==Description==
The '''AC3overDVB patch''' for [[VDR]] sends digital audio data in AC3 and DTS format to the digital S/PDIF port of the DVB card. Therewith VDR has the ability to output Dolby Digital as optical or electrical S/PDIF signal.
[[Image:(missing)-plugin.jpg|thumb|Screenshot]]

The digital S/PDIF port of the DVB cards is only capable of sending PCM data, so the AC3 data has to be encapsulated into a PCM stream. This digital audio data stream is then received and decoded by a external Dolby Digital receiver.

{{Box Hint|
Not all DD receiver are capable of decoding an encapsulated pcm stream.}}


==Hardware requirements==
==Hardware requirements==
* DVB card with S/PDIF port
* compatible Dolby Digital receiver (see hint)


==Software requirements==
==Software requirements==


==Installation==
==Installation==
If the patch is compressed you have to unpack it bevor
See [[plugin installation]]
<pre>
gunzip patch
</pre>
Now you can install it with
<pre>
cd $SOURCEDIR/VDR
patch -p 1 < /path/to/patch
</pre>
Note, VDR has to be recompiled now, see [[plugin installation]].


==Problems==
==Problems==
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{|
{|
| [1]
| [1]
| http://
| http://www.muempf.de/down
| Plugin homepage
| Patche homepage
|-
| [2]
| http://www.muempf.de/down/DD-receiver-status.txt
| List of compatible receivers
|-
| [3]
| http://www.vdr-portal.de/board/thread.php?threadid=1206
| another list of compatible receivers (german)
|-
| [4]
| http://www.vdr-portal.de/board/thread.php?threadid=1958
| AC3 with bitstreamout HOWTO and AC3overDVB Infos
|}
|}


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<!-- Link to german wiki page -->
<!-- Link to german wiki page -->
[[de:Hello-plugin]]
[[de:AC3overDVB-Patch]]

Revision as of 18:58, 21 September 2004

Description

The AC3overDVB patch for VDR sends digital audio data in AC3 and DTS format to the digital S/PDIF port of the DVB card. Therewith VDR has the ability to output Dolby Digital as optical or electrical S/PDIF signal.

The digital S/PDIF port of the DVB cards is only capable of sending PCM data, so the AC3 data has to be encapsulated into a PCM stream. This digital audio data stream is then received and decoded by a external Dolby Digital receiver.

Hint

Not all DD receiver are capable of decoding an encapsulated pcm stream.

Hardware requirements

  • DVB card with S/PDIF port
  • compatible Dolby Digital receiver (see hint)

Software requirements

Installation

If the patch is compressed you have to unpack it bevor

gunzip patch

Now you can install it with

cd $SOURCEDIR/VDR
patch -p 1 < /path/to/patch

Note, VDR has to be recompiled now, see plugin installation.

Problems

Links

[1] http://www.muempf.de/down Patche homepage
[2] http://www.muempf.de/down/DD-receiver-status.txt List of compatible receivers
[3] http://www.vdr-portal.de/board/thread.php?threadid=1206 another list of compatible receivers (german)
[4] http://www.vdr-portal.de/board/thread.php?threadid=1958 AC3 with bitstreamout HOWTO and AC3overDVB Infos