14. A method for transmitting voice information from at least one broadcasting station to a plurality of receivers, comprising the steps of: composing information packets each of which includes a text portion including a sequence of words and symbols and a classification code signifying a substance of the text portion; converting the information packets into digital signals; transmitting one time the information packets substantially as digital signals via a transmitting medium in succession; receiving at at least one of said receivers having at least one classification code stored therein, said transmitted information packets, said stored classification codes being changed, added as a new classification code or deleted by a user for signifying the substance of the text portion the user wishes to receive; selecting received information packets with a classification code corresponding to the stored classification code at said at least one receiver; accumulating in said at least one receiver selected information packets having a classification code matching the classification code previously stored in said receiver; and conveying to a user information corresponding to the texts of the accumulated information packets by at least one of visually displaying said information and enunciating said information over a speaker at each receiver according to an output order determined by said at least one receiver.
14. A method for transmitting voice information from at least one broadcasting station to a plurality of receivers, comprising the steps of: composing information packets each of which includes a text portion including a sequence of words and symbols and a classification code signifying a substance of the text portion; converting the information packets into digital signals; transmitting one time the information packets substantially as digital signals via a transmitting medium in succession; receiving at at least one of said receivers having at least one classification code stored therein, said transmitted information packets, said stored classification codes being changed, added as a new classification code or deleted by a user for signifying the substance of the text portion the user wishes to receive; selecting received information packets with a classification code corresponding to the stored classification code at said at least one receiver; accumulating in said at least one receiver selected information packets having a classification code matching the classification code previously stored in said receiver; and conveying to a user information corresponding to the texts of the accumulated information packets by at least one of visually displaying said information and enunciating said information over a speaker at each receiver according to an output order determined by said at least one receiver. 16. A method according to claim 14 wherein the step of composing comprises the step of composing information packets with a classification code including a symbol signifying that the following data is part of a classification code, said following data comprising a sequence of a predetermined number of numerals.