1、QUESTION ITU-R 123/6 Approaches in programme production intended to improve the perceived image quality of broadcast digital SDTV and HDTV programmes (2006) The ITU Radiocommunication Assembly, considering a) that several broadcasters around the world desire to deliver programmes of enhanced perceiv
2、ed picture quality to their audiences without the need to introduce changes in the specifications of the delivered video signal; b) that in particular, the current implementation of HDTV broadcasting in several countries, and the availability of prerecorded programmes of HDTV picture quality, in the
3、 form of HD capable DVDs for consumer use, contribute to the broadcasters desire to increase the perceived picture quality of the SDTV programmes they deliver to their audiences, while retaining compatibility with existing SDTV receivers; c) that the perceived picture quality of programmes delivered
4、 to the public can be improved by signal processing within the receiver, to reduce, for instance, the line structure visibility and the flicker; d) that the perceived picture quality can also be improved in a compatible way by an appropriate choice of studio equipment and of signal processing in the
5、 studio, aimed to enhance the perceived resolution of the image, decides that the following Question should be studied 1 Which technical approaches and operating practices should be recommended, to enhance the perceived picture quality of broadcast SDTV programmes? 2 How can similar technical approa
6、ches and operating practices be applied to programmes intended for emission in HDTV, in order to further enhance their perceived picture quality? 3 Which technical approaches and operating practices should be recommended for the international exchange of SDTV and HDTV programmes so enhanced? further decides 1 that the results of the above studies should be included in a Recommendation or in a Report; 2 that the above studies should be completed by 2008. Category: S1/AP
