Question: Astell&Kern, is a South Korean consumer electronics company founded in October 2013, and is wholly owned by Iriver, the company manufactures media players, CD players, headphones, and which type, that refers to home entertainment audio-visual systems that seek to reproduce a movie theater experience and mood using consumer electronics-grade video and audio equipment that is set up in a room or backyard of a private home?
Sentence (from "Gracenote"): The company licenses its technologies to developers of consumer electronics devices and online media players, who integrate the technologies into media players, home and car stereos, and digital music devices.
Relevant evidence: No