NTSC (national television standards board) is the earliest existing television standard, developed in the United States and first used in 1954. Its parameters are as follows:
Frame rate: 30 FPS
Image resolution: SD 720*480 (standard screen), 30 FPS, HD 1920*1080 (widescreen), 30 FPS
The following countries support NTSC video:
Japan, Mexico, Panama, Peru, the Philippines, Puerto Rico, South Korea, Suriname, Taiwan, Trinidad and Tobago, the United States of America, Venezuela, Antilles, the Netherlands, the Bahamas, Barbados, Belize, Bermuda, Bolivia, Burma, Canada, Chile, Colombia, Costa Rica, Cuba, the Dominican Republic, El Salvador, Ecuador, Grenada, Guatemala, Honduras, Jamaica.
PAL (Phase Alternating Line) developed by the UK and Germany in 1967. The PAL standard uses a wider channel bandwidth than the NTSC, resulting in better image quality. Its parameters are as follows:
Frame rate: 25 FPS
Image resolution: SD 720*576 (standard screen), 25 FPS. HD 1920*1080 (wide-screen), 25 FPS
The following countries support PAL:
Algeria, Andorra, Angola, Argentina, Australia, Austria, Bahrain, Bangladesh, Belgium, Botswana, Brazil, Brunei, Cameroon, China, Denmark, Ethiopia, Fiji, Finland, Germany, Ghana, Gibraltar, Hong Kong, Iceland, India, Indonesia, Ireland, Israel, Italy, Jordan, Kenya, Kuwait, Lesotho, Liberia, Luxembourg, Malawi, and Malaysia, the Maldives, Malta, Mozambique, Namibia, the Netherlands, New Zealand, Nigeria, Norway, Oman, Pakistan, Papua New Guinea, Paraguay, Portugal, Qatar, Romania, Seychelles, Sierra Leone, Singapore, Somalia, South Africa, Spain, Sri Lanka, Sudan, Swaziland, Sweden, Switzerland, Syria, Tanzania, Thailand, Turkey, Uganda, United Arab Emirates, the United Kingdom, Uruguay, Yemen, Yugoslavia, Zambia and Zimbabwe.
Developed in France in 1967, SECAM (Sequential Couleurmmoire) uses the same bandwidth and resolution (720x576) as PAL, but transmits color information Sequential. Note that only a few products support SECAM.
The following countries support SECAM:
Bulgaria, Afghanistan, Benin, Burkina Faso, Burundi, Central African Republic, Chad, Congo, Czechoslovakia, Djibouti, Egypt, France, French Guiana, Gabon, Greece, Guadalupe, Guinea, Cyprus, Haiti, Hungary, Iran, Iraq, ivory coast, Lebanon, Libya, Madagascar, Mali, Martinique, Mauritius, Mauritania, Monaco, Morocco, Niger, North Korea, Poland, Russia, Rwanda, Saudi Arabia, Senegal, Syria, Togo, Tunisia, Vietnam, Western Samoa, Zaire