Annex 1 Reference chain and
guidelines on the management of
post-processing headroom for programme essence in LSDI applications
1 The reference chain
2 Some general rules on picture/sound quality and the propagation of
impairments
3 Analysis of the digital reference chain
3.1 The presentation block
3.2 The distribution block
3.3 The finished master
3.4 Finished masters for multiple applications
3.5 The post-production block
3.6 The acquisition block
4 Guidelines on transformations of programme essence signals
4.1 Transformations from analogue to digital representation along the chain
4.2 Changes of the native signal format along the chain
4.3 Changes of source coding along the chain
5 Conclusions