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Diffstat (limited to 'doc/manuals/dtx.dot')
-rw-r--r-- | doc/manuals/dtx.dot | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/doc/manuals/dtx.dot b/doc/manuals/dtx.dot new file mode 100644 index 00000000..b9f0b5f2 --- /dev/null +++ b/doc/manuals/dtx.dot @@ -0,0 +1,85 @@ +digraph dtx_dl_amr_fsm { + node [shape = doublecircle] ST_VOICE ST_FACCH ST_U_NOINH + node [shape = circle] + + // default state for non-DTX and DTX when SPEECH is in progress + ST_VOICE -> ST_SID_F1 [ label = "E_SID_F" ] + ST_VOICE -> ST_F1_INH_V [ label = "E_INHIB" ] + ST_VOICE -> ST_U_NOINH [ label = "E_SID_U" ] + ST_VOICE -> ST_VOICE [ label = "E_VOICE" ] + ST_VOICE -> ST_VOICE [ label = "E_FACCH" ] + + // SID-FIRST or SID-FIRST-P1 in case of AMR HR: start of silence period (might be interrupted in case of AMR HR) + ST_SID_F1 -> ST_SID_F1 [ label = "E_SID_F" ] + ST_SID_F1 -> ST_U_NOINH [ label = "E_SID_U" ] + ST_SID_F1 -> ST_F1_INH_F [ label = "E_FACCH" ] + ST_SID_F1 -> ST_SID_F2 [ label = "E_FIRST" ] + ST_SID_F1 -> ST_ONSET_V [ label = "E_ONSET" ] + + // SID-FIRST P2 (only for AMR HR): actual start of silence period in case of AMR HR + ST_SID_F2 -> ST_U_NOINH [ label = "E_COMPL" ] + ST_SID_F2 -> ST_ONSET_F [ label = "E_FACCH" ] + ST_SID_F2 -> ST_ONSET_V [ label = "E_ONSET" ] + + // SID-FIRST Inhibited: incoming SPEECH (only for AMR HR) + ST_F1_INH_V -> ST_F1_INH_V_REC [ label = "E_COMPL" ] + + // SID-FIRST Inhibited: incoming FACCH frame (only for AMR HR) + ST_F1_INH_F -> ST_F1_INH_F_REC [ label = "E_COMPL" ] + + // SID-UPDATE Inhibited: incoming SPEECH (only for AMR HR) + ST_U_INH_V -> ST_U_INH_V_REC [ label = "E_COMPL" ] + + // SID-UPDATE Inhibited: incoming FACCH frame (only for AMR HR) + ST_U_INH_F -> ST_U_INH_F_REC [ label = "E_COMPL" ] + + // Silence period with periodic comfort noise data updates (no Inhibition) + ST_U_NOINH -> ST_ONSET_F [ label = "E_FACCH" ] + ST_U_NOINH -> ST_VOICE [ label = "E_VOICE" ] + ST_U_NOINH -> ST_U_NOINH [ label = "E_SID_U" ] + ST_U_NOINH -> ST_U_NOINH [ label = "E_SID_F" ] + ST_U_NOINH -> ST_ONSET_V [ label = "E_ONSET" ] + ST_U_NOINH -> ST_SID_U [ label = "E_COMPL" ] + + // SID-FIRST Inhibition recursion in progress: Inhibit itself was already sent, now have to send the voice that caused it + ST_F1_INH_V_REC -> ST_VOICE [ label = "E_COMPL" ] + ST_F1_INH_V_REC -> ST_VOICE [ label = "E_VOICE" ] + + // SID-FIRST Inhibition recursion in progress: Inhibit itself was already sent, now have to send the voice that caused it + ST_F1_INH_F_REC -> ST_FACCH [ label = "E_COMPL" ] + ST_F1_INH_F_REC -> ST_FACCH [ label = "E_VOICE" ] + + // SID-UPDATE Inhibition recursion in progress: Inhibit itself was already sent, now have to send the voice that caused it + ST_U_INH_V_REC -> ST_VOICE [ label = "E_COMPL" ] + ST_U_INH_V_REC -> ST_VOICE [ label = "E_VOICE" ] + + // SID-UPDATE Inhibition recursion in progress: Inhibit itself was already sent, now have to send the voice that caused it + ST_U_INH_F_REC -> ST_FACCH [ label = "E_COMPL" ] + ST_U_INH_F_REC -> ST_FACCH [ label = "E_VOICE" ] + + // Silence period with periodic comfort noise data updates (can be inhibited) + ST_SID_U -> ST_U_INH_F [ label = "E_FACCH" ] + ST_SID_U -> ST_VOICE [ label = "E_VOICE" ] + ST_SID_U -> ST_U_INH_V [ label = "E_INHIB" ] + ST_SID_U -> ST_U_NOINH [ label = "E_SID_U" ] + ST_SID_U -> ST_U_NOINH [ label = "E_SID_F" ] + + // ONSET - end of silent period due to incoming SPEECH frame + ST_ONSET_V -> ST_ONSET_V_REC [ label = "E_COMPL" ] + + // ONSET - end of silent period due to incoming FACCH frame + ST_ONSET_F -> ST_ONSET_F_REC [ label = "E_COMPL" ] + + // ONSET recursion in progress: ONSET itself was already sent, now have to send the data that caused it + ST_ONSET_F_REC -> ST_FACCH [ label = "E_COMPL" ] + + // ONSET recursion in progress: ONSET itself was already sent, now have to send the voice that caused it + ST_ONSET_V_REC -> ST_VOICE [ label = "E_COMPL" ] + + // FACCH sending state + ST_FACCH -> ST_VOICE [ label = "E_VOICE" ] + ST_FACCH -> ST_FACCH [ label = "E_FACCH" ] + ST_FACCH -> ST_FACCH [ label = "E_SID_U" ] + ST_FACCH -> ST_FACCH [ label = "E_SID_F" ] + ST_FACCH -> ST_SID_F1 [ label = "E_COMPL" ] +} |