17. A converting text of method, comprising the steps of: temporarily storing a first plurality of received characters corresponding to a first language in a first predetermined buffer until a new character corresponding to a second language is input, wherein a first character of an input multiple language text corresponds to said first language, said multiple language text including text of said first and second languages; when said new character corresponding to said second language distinguishable from said first language is input, converting said first plurality of received characters corresponding to said first language into sound using a first language text-to-speech unit; temporarily storing a second plurality of received characters corresponding to said second language in a second predetermined buffer until a character corresponding to said first language is input, said new character being among said second plurality of received characters; and converting said second plurality of received characters corresponding to said second language into sound using a second language text-to-speech unit.
17. A converting text of method, comprising the steps of: temporarily storing a first plurality of received characters corresponding to a first language in a first predetermined buffer until a new character corresponding to a second language is input, wherein a first character of an input multiple language text corresponds to said first language, said multiple language text including text of said first and second languages; when said new character corresponding to said second language distinguishable from said first language is input, converting said first plurality of received characters corresponding to said first language into sound using a first language text-to-speech unit; temporarily storing a second plurality of received characters corresponding to said second language in a second predetermined buffer until a character corresponding to said first language is input, said new character being among said second plurality of received characters; and converting said second plurality of received characters corresponding to said second language into sound using a second language text-to-speech unit. 19. The method of claim 17, further comprising an audio processor unit receiving audio wave data from said first and second language text-to-speech units and converting said audio wave data into analog audio signals.