NHK Science & Technology Research Laboratories
NHK Science & Technical Research Laboratories (STRL, Japanese: NHK放送技術研究所, NHK Hōsō Gijutsu Kenkyūjo), headquartered in Setagaya, Tokyo, Japan, is responsible for technical research at NHK, Japan's public broadcaster.
Work done by the STRL includes research on Integrated Services Digital Broadcasting, High-definition television, and Ultra High Definition Television.