[1.29.26] Allow longer echo delay period at the end of speech if the echo strength is > 20.

lang=vi: recognise combining accent characters (for tone accents).
Use a different intonation pattern, with more expression, for sentences which end in exclamation mark.


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@112 d46cf337-b52f-0410-862d-fd96e6ae7743

phsource/compile_report

@@ -924,8 +924,6 @@ vdiph/@u        [u:] en_wm
 vdiph/@u_2      [oU] en_rp
 vdiph/@u_3      [@U] ro
 vdiph/@u_en     [oU] en
-                [@U] vi
-                [@:U] vi
 vdiph/ui        [uI] base2
                 [uI] en
                 [uI] eo
@@ -940,6 +938,8 @@ vdiph/Vi        [@:I] vi
 vdiph/Vu        [@U] af
 vdiph/Vu_2      [oU] en_wm
 vdiph/Vu_3      [o:] nl
+vdiph/Vu_4      [@U] vi
+                [@:U] vi
 vdiph/&y        [&y] fi
                 [Wy] nl
 vdiph/yi        [yi] fi
@@ -1501,8 +1501,8 @@ vowel/V_2       [V] en
                 [V#] ru
 vowel/V_3       [V] en_rp
                 [V] hi
-                [@:] vi
 vowel/V_4       [V] en_sc
+                [@:] vi
 vowel/V_6       [V] en_us
 vowel/y         [y:] en
                 [y:] de

phsource/ph_vi

@@ -71,7 +71,7 @@ endphoneme
 
 phoneme a:
   vowel starttype (a) endtype (a)
-  length 260
+  length 280
   formants vowel/a_2
 endphoneme
 
@@ -134,8 +134,8 @@ endphoneme
 
 phoneme @:
   vowel  starttype (@)  endtype (@)
-  length 260
-  formants vowel/V_3
+  length 280
+  formants vowel/V_4
 endphoneme
 
 
@@ -223,7 +223,7 @@ endphoneme
 
 phoneme a:U
   vowel starttype (a) endtype (u)
-  length 250
+  length 260
   formants vdiph/au
 endphoneme
 
@@ -250,20 +250,20 @@ endphoneme
 phoneme @U
   vowel  starttype (@)  endtype (u)
   length 200
-  formants vdiph/@u_en
+  formants vdiph/Vu_4
 endphoneme
 
 phoneme @:U
   vowel  starttype (@)  endtype (u)
-  length 250
-  formants vdiph/@u_en
+  length 260
+  formants vdiph/Vu_4
 endphoneme
 
 
 
 phoneme i@
   vowel  starttype (i)  endtype (@)
-  length 230
+  length 240
   formants vdiph2/ii@_3
 endphoneme