Chapter List

Overview

Table 48.1 below summarizes the six major standards used for conventional analog broadcast television. This chapter gives details of each system. ITU-R Rec:. 470 contains a compilation of technical information from various national bodies regarding broadcast standards.

Table 48.1: Summary of broadcast standards This table summarizes the scanning system, video bandwidth, color encoding technique, and subcarrier frequency of standard television broadcast systems. The predominant systems, 480 i NTSC and 576 i PAL, are emphasized by shading

Video bandwidth, MHz	4.2	4.2	5.0	5.5	6.0
480 i29.97 (525/59.94) scanning:
ITU-R System	M/NTSC	M/PAL
Colloquial	NTSC	PAL-M
		PAL-525
f sc
Where used	N.A., Japan	Brazil
576 i25 (625/50) scanning:
ITU-R System		CN/PAL	B, G, H/PAL	I/PAL	L, D, K/SECAM
Colloquial		PAL-N, PAL-3.58	PAL-B/G/H	PAL-I	SECAM
f sc		3.58205625	4.433618750	4.433618750
Where used		Argentina, Paraguay, Uruguay	Europe, Australia	U.K.	France, Russia

This chapter discusses basic parameter values, but not tolerances. Numeric values in this chapter are exact reference values unless otherwise indicated.

Chapter 50, Digital television broadcast standards, on page 587, introduces digital television broadcasting