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Discussion Starter · #1 ·
sorry, I'm a newbie to this. what exactly is Dolby Digital 2.0?


Is there a difference between this and regular stereo?
 

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Dolby 2.0 is just two channel Dolby Digital. DD can be anything from 1.0 up to 5.1.


2.0 can be stereo, or it can be that the two channels are matrix encoded for Pro Logic. Most decoders, when receiving a DD 2.0 source will give you the choice of invoking Pro Logic (or Pro Logic II), or just playing it back un-altered.


Many HD TV broadcasts, as well as some movies via cable and satellite (HBO for example) are in DD 2.0, and should be decoded in Pro Logic.


BGL
 

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Right, DD 2.0 is two channel material encoded in Dolby Digital. If done correctly, the bitstream carries three-way information if the two channel is Pro Logic encoded: yes, no or unknown. A decoder should have a four-way setting for this; always on, always off, as indicated (default on) and as indicated (default off).
 

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Discussion Starter · #4 ·
Thanks for the responses!


What is the effect at home when a TV network switches from a show in 5.1 to a commercial break in plain stereo (not dolby 2.0 encoded)?


Can the decoder handle switching between 5.1 and 2.0 easier? Will this sound better than 5.1 to analog stereo back to 5.1?


aaron
 

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The decoder should have no problems at all, that's what it's designed to do.


"Will this sound better than 5.1 to analog stereo back to 5.1?"


I don't understand that question.
 

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Burrite, welcome to the forum. The 2 is for 2-channel (stereo). The zero means there is not a discrete LFE-low frequency effect (subwoofer) channel. Just like Dolby 5.1, the .1 is the LFE and the 5 are the five satellite speakers.


Here is more on Dolby 2.0: http://dolbysearch.dolby.com/search/Search_Result.cfm
 
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