Hi-def is an acronym for High Definition - high definition or high definition is a term for digital TV programs, multimedia files (video, audio,) shown in Resolution is higher than previous conventional standards such as PAL, SECAM, NTSC. In the Japanese porn industry is no exception, To fully enjoy the movie with good quality hi-def full HD is usually available in Uncensored and Censored categories. Japanese porn producers always offer sharp JAV Hi-Def movies.