Annex 1  List of test materials
Annex 2  Choice of statistics that can serve for characterization of materials
 1     Introduction
 2     Statistics of test materials
        2.1     Entropy of PCM data
        2.2     AC energy
        2.3     Spectral entropy
        2.4     Motion vector
        2.5     Motion-compensated prediction error power
        2.6     Criticality by rate-buffer occupancy method
        2.7     Criticality by fixed quantizer method
Appendix 1 to Annex 2  Statistics of the test materials
Annex  3  Status for usage of the test materials (see Note 1)