The company develops and licenses its audio technologies, such as AAC & HE-AAC, a digital audio codec solution used for a range of media applications AVC, a digital video codec with high bandwidth efficiency used in various media devices Dolby AC-4, a digital audio coding technology that delivers new audio experiences to a range of playback devices and Dolby Atmos technology for cinema and various media devices. creates audio and imaging technologies that transform entertainment and communications at the cinema, DTV transmissions and devices, mobile devices, OTT video and music services, and home entertainment devices.