Below you can find logos, similar to the Dolby Surround 32.

Southern League 132 Southern League 132 vector
BMI 320 BMI 320 vector
Dolby Surround Pro Logic Dolby Surround Pro Logic vector
Optima 32 Optima 32 vector
Chips Ahoy 326 Chips Ahoy 326 vector
Mazda 320 Mazda 320 vector
Dolby Digital Surround EX Dolby Digital Surround EX vector
Schlumberger 32 Schlumberger 32 vector
Bud 323 Bud 323 vector
Post Office 132 Post Office 132 vector
Dolby B C NR Dolby B C NR vector
Dolby Laboratories Dolby Laboratories vector
Golden State Warriors 132 Golden State Warriors 132 vector
ARA 323 ARA 323 vector
Autobank-Nikoil 327 Autobank-Nikoil 327 vector