Sony Corporation

So-net Entertainment Corporation

Daisuke Ishizuka

Hiroaki Ogawa

Hitoshi Honda

Motoki Nakade

Yoshinori Kurata

A voice chat system includes a plurality of information processing apparatuses that performs a voice chat while performing speech recognition and a search server connected to the plural information processing apparatuses via a communication network. The search server discloses a search keyword list containing the search keywords searched by the search server to at least one of the plural information processing apparatuses. The at least one information processing apparatus includes a recognition word dictionary generating unit that acquires the search keyword list from the search server to generate a recognition word dictionary containing words for use in the speech recognition, and a speech recognition unit that performs speech recognition on voice data obtained from a dialog of the conversation during the voice chat by referencing a recognition database containing the recognition word dictionary.

Voice chat system, information processing apparatus, speech recognition method, keyword data electrode detection method, and program for speech recognition

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Saitama, Japan

Daisuke Ishizuka