| 摘要 |
PURPOSE:To attain a key input which is convenient to be used by providing a voice synthesis circuit which outputs a specified speech in accordance with the depressing of keyboard. CONSTITUTION:At first the initial setting of a register and a buffer, etc., is executed. According to the contents of a character kind mode register, /ro:maji/, /katakana/, /haNkaku/ are sequentially outputted in speech in order by controlling a voice analysis composition control circuit and a speech waveform memory, for example, in case of setting a Roman letter, KATAKANA (square form of Japanese syllabary)) and an en. Next the existence of key inputs is decided, and if the key input exists whether an input key is a character and sign key or a control key is decided. When the input key is a character and sign key, the contents of the character and sign is outputted in speech so as to write in an input buffer table. If it is a control key (sign of Roman letter, sign of KANA (Japanese syllabary), an em and restoration and indention, etc.) the contents of corresponding control key is outputted in speech and if it is a character kind mode specification key, an operation returns to a key depressing or non-depressing decision part.
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