1.47.07a (from http://espeak.sourceforge.net/test/latest.html)

dictsource/bn_list

@@ -11,13 +11,13 @@ _2	d'uj
 _3	t'in
 _4	tS'ar
 _5	p'a~tS
-_6	tSh'Oj
+_6	tS#'Oj
 _7	S'at
 _8	'at.#
 _9	n'Oj
 
 _2a	d'u     // with hundreds etc.
-_6a	tSh'O
+_6a	tS#'O
 _9a	n'O
 
 

phsource/ph_vietnam_sgn

@@ -0,0 +1,97 @@
+ 
+//====================================================
+//  Vietnamese Phonemes - Make Sài gòn Dialect
+//====================================================
+
+
+phoneme 1   //  ngang tone: level
+  stress
+  Tone(32, 34, envelope/p_level, NULL)
+endphoneme
+
+
+phoneme 2   //  huyền tone: low falling
+  stress
+  Tone(35,20  , envelope/p_fall, NULL) //20
+endphoneme
+
+
+phoneme 3   //  sắc Tone(rising
+  stress
+  Tone(40,60, envelope/p_rise, NULL) // 25 50
+endphoneme
+
+
+phoneme 4   //  hỏi Tone(curve (dipping rising)
+  stress
+  Tone(30,50, envelope/p_rise, NULL)  //envelope/vi_5amp) // 28,58
+endphoneme
+
+
+phoneme 5   //  ngã tone: broken (creaking rising)
+  stress
+  Tone(30,50, envelope/p_rise, NULL) //20,80, envelope/p_214, envelope/vi_5amp) // 28,58
+endphoneme
+
+
+phoneme 6   //  nặng Tone(drop  (constricted)
+  stress
+  //length 150 // ignore because it make too short sound 75  // reduce the length of the vowel
+  Tone(10,5, envelope/p_512,NULL)  // envelope/vi_6amp)
+endphoneme
+
+
+phoneme 7   //  Tone(1 (ngang) at end of clause
+  stress
+  Tone(40,  20, envelope/p_fall, NULL)
+endphoneme
+
+// Redefine the length of vowels
+
+phoneme i
+ CALL vi/i
+ length 150
+endphoneme
+
+phoneme E
+ CALL vi/E
+ length 150
+endphoneme
+
+phoneme a:
+ CALL vi/a:
+ length 150
+ FMT(vietnam/a)
+endphoneme
+
+phoneme @
+ CALL vi/@
+ length 150
+endphoneme
+
+phoneme @:
+ CALL vi/@:
+ length 150
+endphoneme
+
+phoneme O
+ CALL vi/O
+ length 150
+ FMT(vowel/0)
+endphoneme
+
+phoneme Oi
+ CALL vi/Oi
+ length 100
+ FMT(vdiph/ooi_2)
+endphoneme
+
+phoneme y
+ CALL vi/y
+  FMT(vowel/u#_4)
+endphoneme
+
+phoneme o
+ CALL vi/o
+  FMT(vowel/o_5)
+endphoneme