วันเสาร์, ธันวาคม 31, 2554

หลักเกณฑ์การถอดอักษรไทยเป็นอักษรโรมันแบบถ่ายเสียง

หลักเกณฑ์การถอดอักษรไทยเป็นอักษรโรมันแบบถ่ายเสียง

พยัญชนะไทย                                    อักษรโรมัน (ตัวต้น)                              อักษรโรมัน (ตัวสะกด)
                                                                                        k                                                                             k
ข ฃ ค ฅ ฆ                                                                        kh                                                                           k
                                                                                       ng                                                                          ng
จ ฉ ช ฌ                                                                           ch                                                                            t
                                                                                       y                                                                             n
ด ฎ ฑ (บางคำ)                                                               d                                                                             t
ต ฏ                                                                                     t                                                                              t
ถ ฐ ท ฑ ธ ฒ                                                                   th                                                                             t
น ณ                                                                                   n                                                                            n
                                                                                       b                                                                            p
                                                                                       p                                                                            p
ผ พ ภ                                                                               ph                                                                           p
ฝ ฟ                                                                                    f                                                                             p
                                                                                       m                                                                           m
                                                                                        y                                                                             -
                                                                                         r                                                                             n
ล ฬ                                                                                    l                                                                             n
                                                                                        w                                                                             -
ซ ทร ศ ษ ส                                                                       s                                                                             t
ห ฮ                                                                                    h                                                                             -

สระไทย                                                  อักษรโรมัน
อะ, -ั (อะ ลดรูป), รร (มีตัวสะกด), อา                        a
รร (ไม่มีตัวสะกด)                                                           an
อำ                                                                                    am
อิ, อี                                                                                    i
อึ, อื                                                                                  ue
อุ, อู                                                                                   u
เอะ, เ -็ (เอะ ลดรูป), เอ                                                e
แอะ, แอ                                                                           ae
โอะ, - (โอะ ลดรูป), โอ, เอาะ, ออ                                  o
เออะ, เ -ิ (เออะ ลดรูป), เออ                                      oe
เอียะ, เอีย                                                                        ia
เอือะ, เอือ                                                                      uea
อัวะ, อัว, -ว- (อัว ลดรูป)                                                ua
ใอ, ไอ, อัย, ไอย, อาย                                                     ai
เอา, อาว                                                                         ao
อุย                                                                                    ui
โอย, ออย                                                                         oi
เอย                                                                                  oei
เอือย                                                                              ueai
อวย                                                                                 uai
อิว                                                                                     io
เอ็ว, เอว                                                                          eo
แอ็ว, แอว                                                                       aeo
เอียว                                                                                iao
(เสียง รึ), ฤๅ                                                               rue
(เสียง ริ)                                                                        ri
(เสียง เรอ)                                                                  roe
, ฦๅ                                                                               lue

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