Hi list.
I'm trying to get DD/AC3 *properly* working with vdr and my reciever a Marantz SR5600.
PCM works ok right out of the FF card and my A/V Reciever decodes PCM basically OK. However I've found when playing a DVD encoded with DD in a DVD player the reciever properly finds out that the PCM is encoded with DD and makes settings accordingly.
Does the SPDIF stream of the FF card miss some headers to make this work? (Of course the transmission needs to be DD encoded.)
Does using the bitstreamout plugin help in any way?
BR /t
Hi
The FF cards can't output a true raw DD stream but have to encapsualte the DD data within a PCM stream. Some older amps, such as my Sony STR-DB940 don't understand this stream format as it was only added to handle chips where the header construction was out of the software control. I have just had to explain all this to Kiss as the dp-600 (and any other players using the same sdk) showed this flaw but is apparently fixable in software.
Hope this makes sense but it's late Ray
----- Original Message ----- From: "Tomas Prybil" vdrmail@prybil.se To: vdr@linuxtv.org Sent: Wednesday, July 05, 2006 10:02 PM Subject: [vdr] [OT] SPDIF and AC3
Hi list.
I'm trying to get DD/AC3 *properly* working with vdr and my reciever a Marantz SR5600.
PCM works ok right out of the FF card and my A/V Reciever decodes PCM basically OK. However I've found when playing a DVD encoded with DD in a DVD player the reciever properly finds out that the PCM is encoded with DD and makes settings accordingly.
Does the SPDIF stream of the FF card miss some headers to make this work? (Of course the transmission needs to be DD encoded.)
Does using the bitstreamout plugin help in any way?
BR /t
vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
Ray Glendenning wrote:
Hi
The FF cards can't output a true raw DD stream but have to encapsualte the DD data within a PCM stream. Some older amps, such as my Sony STR-DB940 don't understand this stream format as it was only added to handle chips where the header construction was out of the software control. I have just had to explain all this to Kiss as the dp-600 (and any other players using the same sdk) showed this flaw but is apparently fixable in software.
Hope this makes sense but it's late
Yes it makes sense, the question is how one could repack the stream to DD format?
Is the bitstreamout plugin a way to do this? I've seen some earlier comments about looping the output of the FF SPDIF through an additional sound card with a new SPDIF output. Is that the way to go or could the plugin read the AC3 stream directly?
BR /t
-
Ray Glendenning -
Tomas Prybil