hi turboccc;
After i try to use your tool RGN_voice_editor with nuvi 3790T fw us,That make rgn from RGN_Tool_v60. The first thing after i open it,it said there are too many voice,but still work. Then after i change it to thai(both of them that show on screen).then i save it again,as you told above. Then click convert,i select narisa_tts,a message show runtime error '6' overflow