6 ms·
Pretty sure NTSC standard/transmission is actually 29.97. It was 30Hz when originally released in black and white and then some was dedicated to the color chann
by btbuilder 8y ago
Pretty sure NTSC standard/transmission is actually 29.97. It was 30Hz when originally released in black and white and then some was dedicated to the color channel.
30fps (b&w NTSC) and 25fps (PAL) are derived from grid AC frequencies of 60Hz (NA) and 50Hz (most other countries). Kept the old-school electronics simple...