CONTENTS - ITU-T Rec. G.722.2 Appendix I (01/2002) Wideband coding of speech at around 16 kbit/s using Adaptive Multi-Rate Wideband (AMR-WB) Appendix I: Error concealment of erroneous or lost frames

         I.1     Scope
        I.2     Definitions and abbreviations
                  I.2.1     Definitions
                  I.2.2     Abbreviations
        I.3     General
        I.4     Requirements
                  I.4.1     Error detection
                  I.4.2     Erroneous or lost speech frames
                  I.4.3     First lost SID frame
                  I.4.4     Subsequent lost SID frames
        I.5     Example ECU/BFH Solution
                  I.5.1     State machine
                  I.5.2     Substitution and muting of erroneous/lost speech frames
                               I.5.2.1     BFI = 0, prevBFI = 0, State = 0 or 1
                               I.5.2.2     BFI = 0, prevBFI = 1, State = 0 to 3
                               I.5.2.3     BFI = 1, prevBFI = 0 or 1, State = 1...6
                               I.5.2.4     Innovation sequence
                  I.5.3     Substitution and muting of lost SID frames