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 ...
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Apple Logic Pro

The only digital audio workstation you need for Mac ...
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, ...
Matrix surround decoding, the process of deriving several output channels from a two-channel delivery medium, is nothing new. When Dolby Surround Pro Logic decoding was introduced back in 1987, it ...