Is Dolby Digital lower volume?

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beolab

Guest
I bought the best cables available however when I watch a SKY Movies 1/2/3 Dolby Digital film I find I have to turn up the volume. Is this normal with the digital audio?
 

Mep

Well-known Member
i normally find those channels a bit quieter, they used to be worse with my old amp so I wonder if it may something to do with the DD procesing there.....
 

Nick_UK

Banned
The DD processing is done by a different decoder, so it all depends on how it has been set up in the factory.
 

derbyjj

Novice Member
Mones the same . Ony my toshie tv which has a built in DD decoder we typicaly have the volume set to "28" but for DD broadcasts we have to increase it to "40". its the same whether I connect via Scart digital coax or optical .
 

SeanT

Well-known Member
it's because it has a much larger dynamic range than NICAM, so the quiet sounds need to be that bit quieter to avoid blowing speakers up when the action starts!!
 
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beolab

Guest
So how would that help when everybody just increases the volume.
 

SeanT

Well-known Member
you probably won't be able to increase the volume enough to damage anything on most equipment (and equipment where you could will have a "0 dB" point and then + dB parts where it is inadvisable to go unless you have needy speakers), whereas if the reference signal were louder you would, if that makes any sense
 

Nick_UK

Banned
SeanT said:
it's because it has a much larger dynamic range than NICAM, so the quiet sounds need to be that bit quieter to avoid blowing speakers up when the action starts!!
:offtopic: What's that got to do with the sound difference between PCM Dolby Surround and Dolby Digital ? :offtopic:

In any case, you are wrong. As I said previously, it's all down to how the decoders have been set up in the factory. In my Yamaha RXV-1500, DS and DD are the same volume, and the amp automatically adjusts itself on DD to give the optimum level for the dialogue (centre) channel.
 

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