ITU-R QUESTION 1266-2007 Recommended operating practices to tailor television programme material to broadcasting applications at various image quality levels and sizings《推荐的操作手法来定制.pdf

1、-1- QUESTION ITU-R 126/6 Recommended operating practices to tailor1television programme material to broadcasting applications at various image quality levels and sizings (2007) The ITU Radiocommunication Assembly, considering a) that an increasing number of broadcasters now need to tailor their tele

2、vision programme material to a variety of broadcasting applications at a variety of image quality levels and sizings; b) that the treatment to be applied to the original programme signal in order to adapt it to a variety of broadcasting applications at a variety of image quality levels and sizings d

3、epends on the image resolution that those applications are able to provide to the end user, and on their viewing environment, decides that the following Question should be studied 1 What are the constraints related to television broadcasting applications at various image quality levels and sizing, e

4、.g. in terms of the displayable image quality and of the presentation environment? 2 Which measures can be recommended to broadcasters, to tailor their television productions to broadcasting applications at various image quality levels and sizings within the identified constraints, in order to maxim

5、ize the image quality of the delivered programmes? further decides 1 that the results of the above studies should be included in Recommendation(s) and/or Report(s), to cover those various broadcasting applications; 2 that the above studies should be completed by 2011. Proposed category: S2 _ 1The verb “to tailor” is used in this text to indicate the post-processing operations required to adapt programme material for its presentation in broadcasting applications different from the one for which it had been originally produced, e.g. in terms of image size resolution, viewing conditions, etc.