I go through the various sound formats and upmixers Dolby has released over the years - in chronological order.
Dolby Sound Formats and Upmixers
Opinion: Dolby Needs to Bring Back Pro Logic / Pro Logic II / Pro Logic IIx / Pro Logic IIz
When Dolby introduced Dolby Surround, they decided to drop all other legacy decoders from their licensing. So bye bye Dolby Pro Logic, Pro Logic II, IIx, IIz and Dolby Pro Logic (IIx) music modes. I have a major problem with this...