Dolby Laboratories, Inc. engages in the design and manufacture of audio, imaging, accessibility, and other hardware and software solutions for television, broadcast, and live entertainment industries in the United States and internationally. The company develops and licenses its audio technologies, such as AAC, HE-AAC, and extended HE-AAC, a digital audio codec solution; AVC, a digital video codec used in STBs, mobile devices, cameras, and broadcast television services and other products; and Dolby Atmos and Dolby Vision include encoding technologies that artists use to create more compelling and immersive audio and video experiences. It also provides DD+, an advanced surround sound audio codec technology; Dolby AC-4, an audio codec that uses cutting edge compression; and HEVC, a digital video codec that compresses video.