Contents are broadcast through shortwave radio , satellite and cable operators throughout the world, as well as online and through its mobile apps. It is headquartered in Tokyo, Japan. NHK World-Japan also makes most of its programming available through its website either live or on demand. Programming is produced in English only.
World Radio Japan also makes some of its programs available on the Internet. NHK was the first broadcaster in the world to broadcast in high-definition using multiple sub-Nyquist sampling encoding , also known as Hi-Vision and in 8K. Tokyo Broadcasting Station, along with separate organizations in Osaka and Nagoya, began radio broadcasts in