ITU-T Rec. P.862 provides raw scores in the range –0.5 to 4.5. It is desired to provide a MOS-LQO (P.800.1) score from P.862 to allow a linear comparison with MOS. This Recommendation presents the mapping function and its performance for a single mapping
ITU-T P.862.1-2003 history
2003ITU-T P.862.1-2003 Mapping function for transforming P.862 raw result scores to MOS-LQO Study Group 12