Patent ID: 7844461

Claim:
A speech synthesizing apparatus for controlling a first speech synthesizing apparatus, in a case in which a second speech apparatus having a speech synthesizing function outputs a synthesized speech in concurrence with the first speech synthesizing apparatus, the speech synthesizing apparatus comprising: a transmitting unit that transmits a message to the second speech synthesizing apparatus to request speech data; a receiving unit that receives speech data synthesized by the second speech synthesizing apparatus; a first extraction unit that extracts a first feature quantity relating to the received speech data; a storage unit that stores a plurality of dictionaries for generating speech; a second extraction unit that extracts a plurality of second feature quantities relating to speech data generated using each of the plurality of dictionaries; a distance measuring unit that measures a distance between the first feature quantity and each of the second feature quantities; a selection unit that selects a dictionary, which has the longest distance, from the plurality of dictionaries based on the measured distance; a control unit that controls the first speech synthesizing apparatus to synthesize speech using the selected dictionary so that a sound-quality of the speech synthesized by the first speech apparatus is different from that of the speech synthesized by the second speech apparatus; a first location information acquisition unit that acquires location information of the first speech synthesizing apparatus; and a second location information acquisition unit that acquires location information of the second speech synthesizing apparatus; wherein said control unit controls the first speech synthesizing apparatus to synthesize speech using the selected dictionary in a case where distance to the second speech synthesizing apparatus falls within a predetermined range.