PAL, SECAM and NTSC frame rates technically apply only to analogue standard definition television, not to digital or high definition 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.
পিএএল, এসইসিএএম এবং এনটিএসসি ফ্রেম রেট কোন সংজ্ঞা টেলিভিশনের ক্ষেত্রে প্রযোজ্য?
analogue standard