Content for TS 26.091 Word version: 18.0.0
6 Example ECU/BFH Solution 1
6.1 State Machine
6.2 Assumed Active Speech Frame Error Concealment Unit Actions
6.3 Assumed Non-Active Speech Signal Error Concealment Unit Actions
6.4 Substitution and muting of lost SID frames
7 Example ECU/BFH Solution 2
7.1 State Machine
7.2 Substitution and muting of lost speech frames
7.3 Substitution and muting of lost SID frames
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6 Example ECU/BFH Solution 1 p. 6
6.1 State Machine p. 7
6.2 Assumed Active Speech Frame Error Concealment Unit Actions p. 8
6.2.1 BFI = 0, prevBFI = 0, State = 0 p. 8
6.2.2 BFI = 0, prevBFI = 1, State = 0 or 5 p. 8
6.2.3 BFI = 1, prevBFI = 0 or 1, State = 1...6 p. 9
6.3 Assumed Non-Active Speech Signal Error Concealment Unit Actions p. 10
6.3.1 General p. 10
6.3.2 Detectors p. 10
6.3.2.1 Background detector p. 10
6.3.2.2 Voicing detector p. 10
6.3.3 Background ECU Actions p. 10
6.4 Substitution and muting of lost SID frames p. 10
7 Example ECU/BFH Solution 2 p. 11
7.1 State Machine p. 11
7.2 Substitution and muting of lost speech frames p. 11
7.2.1 BFI = 0, prevBFI = 0, State = 0 p. 11
7.2.2 BFI = 0, prevBFI = 1, State = 0 or 5 p. 11
7.2.3 BFI = 1, prevBFI = 0 or 1, State = 1...6 p. 12
7.2.3.1 LTP-lag update p. 12
7.2.4 Innovation sequence p. 12
7.3 Substitution and muting of lost SID frames p. 12
$ Change history p. 13
