Re: Questions about Dolby Surround Sound and Pro Logic

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#6315

From: Tommy Blanchard GRA|GM
Date: Wed, 26 Aug 1992 11:43

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In article <912@emoryu1.cc.emory.edu> splee@gnu.ai.mit.edu (Seng-Poh Lee) writes:

>Can anyone provide me with the difference between plain old Dolby Surround
>Sound and Dolby Pro Logic?

>Also, what is the basic technique used by each system?

>Thanks a lot

>--
>Seng-Poh Lee    <splee@gnu.ai.mit.edu>

In the August 1992 issue of Stereo Review, they provide explanation of the 
differences. It seems that Pro Logic is a more advanced method of decoding 
the "surround sound", and adds a center channel extraction and separation-
enhancement circuits. This was taken from an article in Stereo Review. As 
for the second part I do not know. I hope someone can provide a better 
explanation. Hope this helps a little.

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From: blanchard@utkux1.utk.edu (Tommy Blanchard GRA|GM)
Subject: Re: Questions about Dolby Surround Sound and Pro Logic
Message-ID: <blanchard.4@utkux1.utk.edu>
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Organization: Chemistry Department, University of Tennessee
References: <912@emoryu1.cc.emory.edu>
Date: Wed, 26 Aug 1992 11:43:08 GMT
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