Auzentech was a Korean computer hardware manufacturer that specialized in high-definition audio equipment and in particular PC sound cards. Auzentech has its origins in March 2005, when under the company name HDA (HiTeC Digital Audio), the company launched the X-Mystique 7.1, the first consumer add-in sound card to feature Dolby Digital Live.Initially only a manufacturer, HDA's products were commercialized worldwide by a network of local distributors, including BlueGears as their vendor in the United States.