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 ...

GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Dolby Laboratories has begun the introduction of its Pro Logic IIx ...

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 ...

These days, most of the media we consume is digital. We still watch movies and TV shows, but they’re all packaged in digital files that cram in many millions of pixels and as many audio channels as we ...

I have a 5.1 speaker setup (pretty decent) with a Pioneer VSX-D409 reciever. It has DD, DTS, and Prologic, but not Prologic II (to my knowledge). I'm playing Grand Theft Auto: San Andreas and I was ...

Hey there, I was wondering what the skinny is on Prologic II vs Dolby Digital 5.1. I know that prologic II can either matrix the channels or handle discrete channels which seems stronger than DD 5.1 ...

It's a surprise the industry hasn't moved on faster.

These days, most of the media we consume is digital. We still watch movies and TV shows, but they’re all packaged in digital files that cram in many millions of pixels and as many audio channels as we ...