What the heck is Dolby Pro Logic II?
Dolby Labs’ Stunning New Circuit Extracts a Goldmine of Hidden Spatial Cues from Stereo Cds, Lps, and old Surround Movies Those of you who’ve spent hard-earned dollars in the last couple of years on a killer new Dolby Digital/DTS A/V Receiver may think you have it all–discrete Dolby Digital 5.1-channel surround sound as well as further evolutions of it and DTS (THX Surround EX, DTS-ES, etc.). Make no mistake: Dolby Digital 5.1 and DTS do deliver a home theater experience that often rivals and sometimes exceeds its theatrical equivalent. Little Attention Paid But somehow lost in the stream of promotion for DVD, Dolby Digital, DTS, and their offspring is a quiet little Dolby Labs processor that in many respects offers surprising and spectacular effects. And get this: you likely already own the software! It extracts these effects not from the latest Dolby Digital DVD release from Blockbuster but from your existing collection of stereo CDs and old Dolby Surround movies. It’s called Dolby
