PAL, SECAM and NTSC frame rates technically apply only to analogue standard definition television, not to <answer>digital or high definition</answer> broadcasts. However, with the roll out of digital broadcasting, and later HDTV broadcasting, countries retained their heritage systems. HDTV in former PAL and SECAM countries operates at a frame rate of 25/50 Hz, while HDTV in former NTSC countries operates at 30/60 Hz.
PAL, SECAM, and NTSC frame rates do not apply to what broadcasts?
digital or high definition