Dolby logo double D Posted on June 26, 2015 by admin Dolby logo double D Sign - Symbol - Watermark - Trademark - Company logo. The below image is of the Dolby logo double D showing the sign by itself or the logo including the brand name of the relevant organization. Dolby logo double D Tags: dolby double d, dolby double d brand, dolby double d logo, dolby double d logos, dolby double d sign, dolby double d symbol, dolby double d trademark