The ITU Radiocommunication Assembly considering a) that many proposals for improving the quality of PAL and SECAM systems are under discussion, some of which concern only the receiver (e.g. doubling of the frame-rate) while others involve a considerable change of the emission system; b) that for enhanced PAL and SECAM emission formats, separate evaluations will be necessary for the enhanced picture and for the compatible picture; c) that there will be a need to evaluate, for both the enhanced and compatible picture.