Patent ID: 7379871

Claim:
A speech synthesizing apparatus comprising: behavior-state changing means, responsive to a behavior event, for changing a behavior state of the apparatus according to a behavior model; text generating means for generating text in response to said behavior event; emotion-state changing means for changing an emotion state of the apparatus according to an emotion model; selecting means for selecting control information according to the behavior state and/or the emotion state; substituting means, having a number of word substitute dictionaries, for substituting a word or words included in the text with a word or words from the number of word substitute dictionaries in accordance with pre-programmed personality information, wherein said pre-programmed personality information includes a plurality of factors, wherein the plurality of factors included in the pre-programmed personality information used in substituting a word or words included in the text with a word or words from the number of word substitute dictionaries comprise behavioral and emotional state factors, wherein a substitute dictionary is selected from a plurality of substitute dictionaries as a function of the plurality of factors; and synthesizing means for synthesizing a speech signal corresponding to the text according to speech synthesizing information included in the control information selected by the selecting means; accumulating means for accumulating a number of times the behavior-state changing means changes behavior states of the apparatus and/or the number of times the emotion-state changing means changes emotion states of the apparatus, and wherein the selecting means selects the control information also according to the number of times accumulated by the accumulating means, wherein a voice of said speech synthesizing apparatus is a function of said speech synthesizing information and said pre-programmed personality information.