While there is no "7322" version listed as a universal standalone download, Dolby Digital Plus drivers are generally provided directly by hardware manufacturers rather than Dolby itself
Official Dolby support page: https://www.dolby.com dolby digital plus audio driver 7322 download top
Not exactly. The driver is designed for systems with Realtek audio codecs and Dolby license preinstalled. On unsupported PCs, the Dolby UI may not function. While there is no "7322" version listed as