Previous surround schemes project sound in the horizontal plane. Dolby's Pro Logic IIz adds height channel outputs to produce a more enveloping surround experience. Steve Guttenberg Former contributor ...

This article is republished in memory of Jim Fosgate who recently passed away on December 9th, 2022. A true industry icon is gone but NOT forgotten. This article is a historical account of the battle ...

Here's an excellent explanation of Dolby Surround. Pro Logic II is pretty much a refinement of Pro Logic, and although it can produce better results with Dolby Surround than a Pro Logic Decoder can, ...

Indianapolis — Dolby plans a CEDIA Expo unveiling of its new Pro Logic IIx technology, described as the industry’s first licensed technology to upconvert two-channel audio, matrixed Dolby Surround, ...