Dolby Pro Logic (DPL)
Dolby Pro Logic (DPL) Strictly speaking, basic Dolby Surround Sound does not offer adequate separation between the left/right channels and the center, or between the left/right channels and the surround channel. Pro Logic, which in many minds has for some time has been synonymous with Dolby Surround, applies automatic gain riding to the decoding, which increases separation markedly. The latest Pro Logic II version, developed by Jim Fosgate and licensed by Dolby, improves upon the steering and…