Wāpuro rōmaji

"Wāpuro" redirects here. For word processors in general including Japanese ones, see word processor.

Wāpuro rōmaji (ワープロローマ字), or kana spelling, is a style of romanization of Japanese originally devised for entering Japanese into word processors (wādo purosessā, often abbreviated wāpuro) while using a Western QWERTY keyboard.

In Japanese, the more formal name is rōmaji kana henkan (ローマ字仮名変換), literally "Roman character kana conversion". One conversion method has been standardized as JIS X 4063:2000 (Keystroke to KANA Transfer Method Using Latin Letter Key for Japanese Input Method); however, the standard explicitly states that it is intended as a means of input, not as a method of romanization.[1]

Wāpuro rōmaji is now frequently employed in general-purpose computer input as well as word processing, but the name lives on. Wāpuro-style romanizations are also frequently used by native speakers of Japanese in informal contexts, as well as by many fans of anime and other aspects of Japanese culture. A common characteristic of these (often online) cases is the avoidance of hard-to-type circumflexes or macrons. Also, some ambiguities in spelling may exist. Spellings are seen that would fail to produce the desired kana when typed on a computer, for example failure to distinguish between (properly entered as "zu") and (properly entered as "du").

Spelling conventions

In practice, there are as many variants of wāpuro rōmaji as there are manufacturers of word processing and IME software. Many aspects of Hepburn, Kunrei and Nihon-shiki romanizations are accepted, so that both si (Kunrei/Nihon-shiki) and shi (Hepburn) resolve to し. Some conventions, however, differ from standard romanizations:

Phonetic accuracy

Unlike Kunrei and Hepburn, wāpuro style is based on a one-to-one transcription of the kana.[1] Wāpuro thus does not represent some distinctions observed in spoken Japanese, but not in writing, such as the difference between /oː/ (long vowel) and /oɯ/ (o+u). For example, in standard Japanese the kana おう can be pronounced in two different ways: as /oː/ meaning "king" (王),[2] and as /oɯ/ meaning "to chase" (追う).[3] Kunrei and Hepburn spell the two differently as ō and ou, because the former is a long vowel while the latter has a o that happens to be followed by a u; however, wāpuro style simply transcribes the kana and renders them both as ou. Likewise, the irregularly spelled particles wa (は), e (へ) and o (を) must be entered as written (ha, he and wo respectively), not as pronounced (unlike Kunrei and Hepburn, which transcribe the pronunciation).

See also


  1. 1 2 「この規格は、キー入力時の変換方式を規定するものであって、日本語のローマ字の標準表記を規定するものではない。」 JISX4063 仮名漢字変換システムのための英字キー入力から仮名への変換方式, page 2.
  2. 大辞泉 おう[わう] 1 【王】
  3. 大辞泉 お・う〔おふ〕【追う/▽逐う】
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