From e7c8841f9e1efca199d75bd8205416ccc6af9b31 Mon Sep 17 00:00:00 2001
From: Anh Hoang Nguyen <hoanganhA91013@gmail.com>
Date: Fri, 15 Mar 2019 17:07:10 +0700
Subject: [PATCH] vi: modify length of phoneme i relatively to final consonants

---
 dictsource/vi_rules |  1 +
 phsource/ph_vietnam | 22 ++++++++++++++++++----
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/dictsource/vi_rules b/dictsource/vi_rules
index 7e2ba50a..0f6079e4 100644
--- a/dictsource/vi_rules
+++ b/dictsource/vi_rules
@@ -1003,6 +1003,7 @@ ỵ	ỵ
         u          u
         u (A       w
      A) u          w
+	 gi) u 			u
         ui         uI
         uì         uI2
         uí         uI3
diff --git a/phsource/ph_vietnam b/phsource/ph_vietnam
index 9a0b1f78..ffbfd262 100644
--- a/phsource/ph_vietnam
+++ b/phsource/ph_vietnam
@@ -111,15 +111,29 @@ phoneme i
   IF prevPhW(w) THEN
     VowelStart(w/wi)
   ENDIF
-  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+  IF nextPhW(p) THEN
+	length 131
+  ELIF nextPhW(t) THEN
+	length 113
+  ELIF nextPhW(c) OR nextPhW(n^) THEN
+	length 72
+  ELIF nextPhW(m) THEN
+	length 120
+  ELIF nextPhW(n) THEN
+	length 128
+  ELIF nextPhW(N) THEN
+	length 97
+  ELIF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
+  ELIF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordStart) THEN
+	length 240
+  ELSE
+	length 180
   ENDIF
   IF nextPh(n^) OR nextPh(c) THEN
-  length 100
   FMT(vnasal/ii_n)
   ELSE
-  length 180
-FMT(vowel/i_4)
+	FMT(vowel/i_4)
 ENDIF
 endphoneme