24. A text-to-speech synthesis apparatus comprising: a memory for storing phoneme data of a plurality of speaker voices; a selecting section for selecting any one of said plurality of speaker voices; a search section for searching said memory for the phoneme data of the speaker voices selected by said selecting section; a text-to-speech synthesis processing section for linking said phoneme data of said speaker voices retrieved by said search section to convert script data into a synthetic speech; a storage section for accumulating said synthetic speech converted from said script data on the basis of the phoneme data of said plurality of speaker voices; and a reproducing section for retrieving said synthetic speech of said speaker voices selected by said selecting section and reproducing said synthetic speech, wherein said text-to-speech synthesis processing means can convert said script into a synthetic speech including at least said two speaker voices including said speaker voice corresponding to said speaker voice identification data.
24. A text-to-speech synthesis apparatus comprising: a memory for storing phoneme data of a plurality of speaker voices; a selecting section for selecting any one of said plurality of speaker voices; a search section for searching said memory for the phoneme data of the speaker voices selected by said selecting section; a text-to-speech synthesis processing section for linking said phoneme data of said speaker voices retrieved by said search section to convert script data into a synthetic speech; a storage section for accumulating said synthetic speech converted from said script data on the basis of the phoneme data of said plurality of speaker voices; and a reproducing section for retrieving said synthetic speech of said speaker voices selected by said selecting section and reproducing said synthetic speech, wherein said text-to-speech synthesis processing means can convert said script into a synthetic speech including at least said two speaker voices including said speaker voice corresponding to said speaker voice identification data. 28. The text-to-speech synthesis apparatus according to claim 24 , further comprising: fee-charge control means for controlling a fee-charge operation for the said user in accordance with said phoneme data selected by said selecting means, wherein said fee-charge control section sends, to an external settlement center, fee-charge data corresponding to the phoneme data of the one speaker selected by said selecting section.