Cuba Tourist Visa. Everyone wishing to enter Cuba as a Tourist is required to apply for a Tourist Visa-card. A tourist card is valid ONLY for leisure or recreational purposes. It is not valid for other travel purposes. A Tourist Card is valid only for one entry within 180 days after the date of issue.
HD-CVi & HD-TVi Technologies. HDTVI (High Definition Transport Video Interface) is the HD Video transmission Interface. HDTVI technology can be implemented in existing simulation on a transmission line reliable kop HD video signal transmission.
TVs are leapfrogging HD with a kind of screen called 4K, or Ultra HD. These sets pack in four times the resolution, so they can play the next generation of movies and shows, and youâre the kind of person who likes to be prepared for the future. But, oh, that price tag.y next problem was finding something to watch. The Vizio 4K TV does a decent job of taking regular old HD content and stretching, or upscaling, it to fill all its extra pixels. But TV shows and movies in full 4K resolution are taking their sweet time to arrive.