Ac3overdvb-patch: Difference between revisions
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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. |
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. |
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{{Box |
{{Box Info| |
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Not all DD receiver are capable of decoding an encapsulated pcm stream.}} |
Not all DD receiver are capable of decoding an encapsulated pcm stream.}} |
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==Hardware requirements== |
==Hardware requirements== |
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* DVB card with S/PDIF port |
* DVB card with S/PDIF port |
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* patch |
* patch |
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==Applying the patch== |
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==Installation== |
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If the patch is compressed you have to unpack it |
If the patch is compressed you have to unpack it before |
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<pre> |
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</pre> |
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Now you can install it with |
Now you can install it with |
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<pre> |
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</pre> |
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Note, VDR has to be recompiled now, see [[VDR installation]]. |
Note, VDR has to be recompiled now, see [[VDR installation]]. |
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[[Category:Patches]] |
[[Category:Patches]] |
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{{i18n|ac3overdvb-patch}} |
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<!-- Link to german wiki page --> |
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[[de:AC3overDVB-Patch]] |
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Latest revision as of 10:24, 13 March 2006
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.
Info
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
- patch
Applying the patch
If the patch is compressed you have to unpack it before
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 VDR installation.
Problems
Links
| [1] | http://www.muempf.de/down | Patch homepage |
| [2] | http://www.muempf.de/down/DD-receiver-status.txt | List of compatible receivers |