CCIR System D is an analog broadcast television system used in Bulgaria, Latvia, Lithuania, Poland, Romania, Slovakia, Czech Republic, Hungary, Albania and the People's Republic of China, Mongolia, Kyrgyzstan, North Korea, Tajikistan, Turkmenistan, Uzbekistan, Armenia, Azerbaijan, Georgia, Kazakhstan, Moldova, Russia, Ukraine and Belarus paired with the PAL/SECAM colour.[1][2][3][4]
Initially known as the I.B.T.O. 625-line system this was the first 625-line system, developed by Mark Krivosheev in 1948,[5][6] and later associated with the SECAM and PAL color systems. Used on VHF only in most countries, it usually combined with System K on UHF. In China, it is used for both VHF and UHF.[7][8]
- ^ Report 624-4 Characteristics of television systems (PDF). UIT. 1990.
- ^ "World Analogue Television Standards and Waveforms". 30 August 2012. Archived from the original on 30 August 2012.
- ^ "Weltweite Fernsehsysteme (NTSC, PAL und SECAM)". www.paradiso-design.net. 2005. Retrieved 2023-03-06.[permanent dead link]
- ^ Amadeus Trappe, Raffael (2005). "Weltweite Fernsehsysteme (NTSC, PAL und SECAM)". www.paradiso-design.net. Retrieved 2023-06-05.[permanent dead link]
- ^ ""M.I. Krivosheev: Participation in the development of mass TV broadcasting" - an exhibition at Ostankino TV Center".
- ^ "Mark Iosifovich Krivosheev (1922-2018)".
- ^ 中华人民共和国国家标准 PAL-D制电视广播技术规范 GB 3174-1995 (in Chinese (China)). 中国标准出版社. 20 December 1995.
- ^ 中华人民共和国国家标准 有线电视频率配置 GB/T 17786-1999 (in Chinese (China)). 中国标准出版社. 12 July 1999. pp. 3–5.