Dolby System
1976–1979
Dolby B NR
1979–2007
2007–present
Dolby B NR HX Pro
1983–2007
2007–present
Dolby B-C NR
1979–2007
Dolby S NR
1984–2007
Dolby S NR HX Pro
1986–1991
Dolby B-C-S NR
1991–1995
Dolby B-C-S NR HX Pro
1995–1996
Dolby SR
1996–2007
Dolby Atmos | Dolby Cinema | Dolby Vision | Dolby Voice Dolby Audio: Dolby Digital (Plus | EX | Surround EX | 5.1 | Stereo Creator) | Dolby E | Dolby Headphone | Dolby Noise-reduction System | Dolby Pro Logic (II | IIx | IIz) | Dolby Surround (7.1 | Pro Logic | Virtual) | Dolby TrueHD Sponsorships: Defunct: |