1. A romanization system, comprising: an input device inputting Korean consonant and vowel of Korean syllables of Korean language and English syllables of English language; a controller coupled to said input device, said controller converting said Korean syllables into said English syllables and converting said English syllables into said Korean syllables, said controller having a lookup table showing a unique and unambiguous assignment between individual Korean consonants and vowels of Korean language and syllables of English language, with said table being constructed to assure phonetic fidelity between pronunciation of said individual syllables of Korean language and said syllables of English language; said look-up table comprising assigned to G. assigned to N, assigned to D, assigned to R or L, assigned to M, assigned to B, assigned to S, assigned to NG, assigned to J, assigned to CH, assigned to K, assigned to T, assigned to P, assigned to H; and said look-up table comprising assigned to a, assigned to YA, assigned to U, assigned to YU, assigned to O, assigned to YO, assigned to OO assigned to YOO, assigned to EU, assigned to I, assigned to AE, assigned to YAE assigned to E, assigned to AE, assigned to WA, assigned to WAE, assigned to OE, assigned to WO, assigned to WE assigned to WI, and assigned to UI.