Here's another interesting thought. At one time Dolby/THX were considering patent infringement action against all the non-licensed boxes which perform pseudo-EX processing. The reason is that EX decoding is patented (by Dolby) and there is a strong argument that any non-licensed EX processing is infringing the patent because it is a simple SR + SL = SB sum. I haven't heard much about that recently, but it sounds like CS' pseudo-EX processing might also be open to challeng.
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Nigel Pond
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