[vdr] Recommendation for new hd vdr system.

Theunis Potgieter theunis.potgieter at gmail.com
Tue Nov 17 11:28:37 CET 2009


2009/11/16 Seppo Ingalsuo <seppo.ingalsuo at iki.fi>:
> On Sun, 2009-11-15 at 20:24 +0200, Theunis Potgieter wrote:
>> 2009/11/15 Timothy D. Lenz <tlenz at vorgon.com>:
>> > The SPDIF can't carry 7.1 sound? It's just digital data stream. Should
>> > be able to carry how ever many channels get encoded to the data packets.
>> >
>> Is the problem not bandwidth requirements?
>
> For consumer SPDIF max bandwidth is about 2 x 20 x 48 kHz = 1.92
> Mbit/s.
>
> E.g. encoded DD+ 7.1 bit stream fits there but linear 7.1 PCM doesn't.
> Highest end audio formats are at different order of magnitude. Dolby
> TrueHD can be up to 18 Mbit/s and DTS-HD Master Audio up to 24.5 Mbit/s
> those are passed only over HDMI in CE devices.
>
> http://en.wikipedia.org/wiki/Dolby_Digital#Dolby_Digital_Plus
>
> http://en.wikipedia.org/wiki/DTS_%28sound_system%29#DTS-HD_Master_Audio
>
> BR,
> Seppo
>

In my case, I have a Samsung T260 screen with fibre out, probably
SPDIF. In this case the monitor would then be my limitation. Should I
get an amp that takes hdmi as input and passes video onto the screen?



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