Dolby Surround 7.1
From the Audiovisual Identity Database, the motion graphics museum
(2011-)
Logo: Same as theDolby DigitalSpheres logo, except the Spheres form a "7.1" which move to the right, and on the left the remaining spheres form the Dolby Surround logo.
FX/SFX: It's a CGI logo.
Music/Sounds: Same as the Dolby Digital "Spheres" logo.
Availability: Current