Patent ID: 7454345

Claim:
A voice synthesizer, comprising: an emphasis degree deciding unit for extracting a word or a collocation to be emphasized from among respective words or respective collocations on the basis of an extracting reference with respect to the each word or the each collocation included in a sentence and deciding an emphasis degree of the extracted word or the extracted collocation; an acoustic processing unit for generating a voice having an emphasis degree that is decided by the emphasis degree deciding unit provided to the word to be emphasized or the collocation to be emphasized; and a dictionary for storing therein one or more non-emphasis words or one or more non-emphasis collocations that are not necessarily emphasized among the each word or the each collocation, wherein said emphasis degree deciding unit excludes the non-emphasis words or the non-emphasis collocations stored in said dictionary from one or more of the words or one or more of the collocations to be emphasized.