diff --git a/espeak-data/voices/test/bn b/espeak-data/voices/test/bn
index 1e99fa8c..e1e569fb 100644
--- a/espeak-data/voices/test/bn
+++ b/espeak-data/voices/test/bn
@@ -1,3 +1,3 @@
-name bengali
+name bengali-test
 language bn
 gender male
diff --git a/espeak-data/voices/test/ko b/espeak-data/voices/test/ko
index 74f98ab3..d9330a8f 100644
--- a/espeak-data/voices/test/ko
+++ b/espeak-data/voices/test/ko
@@ -1,4 +1,4 @@
-name Korean
+name korean-test
 language ko
 gender male
 pitch 80 118
diff --git a/espeak-data/voices/test/si b/espeak-data/voices/test/si
index 1229e49c..87d564d6 100644
--- a/espeak-data/voices/test/si
+++ b/espeak-data/voices/test/si
@@ -1,4 +1,4 @@
-name sinhala
+name sinhala-test
 language si
 
 intonation 2
diff --git a/espeak-data/voices/test/te b/espeak-data/voices/test/te
index 3872a3af..c23078a8 100644
--- a/espeak-data/voices/test/te
+++ b/espeak-data/voices/test/te
@@ -1,4 +1,4 @@
-name telugu
+name telugu-test
 language te
 
 intonation 2
diff --git a/phsource/vwl_en_us/ai3 b/phsource/vwl_en_us/ai3
index fdce0513..d4f301ab 100644
Binary files a/phsource/vwl_en_us/ai3 and b/phsource/vwl_en_us/ai3 differ