e.Digital Corporation provides engineering services, product reference designs, and technology platforms to customers focusing on the digital video/audio and player/recorder markets. The company provides MicroOS operating system for use in digital voice recorder technology, audio and video storage, and playback and wireless utilities. MicroOS manages the volume and equalizer functions, the LCD drivers and interfaces, decoding various audio and video files, interacting with various digital rights management schemes and supporting a range of media storage formats. It also offers digital video/audio technology platform (DVAP) that accommodates various third party video compression encoded material, proprietary security measures, and enables for other customizable options and is primarily used in travel and leisure, medical, education, government, and military use. e.Digital offers proprietary hardware and software encryption, digital rights management (DRM), key management, and data obscuration technology for content protection. The company also develops wireless solutions. It provides portable video on demand products including its eVU mobile entertainment system; and licenses its MicroOS, content mark-up language application, LDP software, hardware security technologies, DRM solutions, content download applications, encryption and content protection solutions, and video display software applications. In addition, e.Digital provides engineering, designing, and manufacturing services for products employing its digital technology platforms. The company sells its products to digital video device developers and users, electronic product manufacturers, PC manufacturers, and automotive audio/video manufacturers; and markets its services through its strategic and industry relationships. The company was incorporated as Norris Communications Corp. in 1988 and changed its name to e.Digital Corporation 1999. e.Digital is based in San Diego, California.