A client device connected to a server capable of generating sound output data relating to an object included in an image is provided with: a means for acquiring image data of an image including at least one wearable object worn on a finger of a user, and at least one object； a means for transmitting the image data to a server； a means for receiving, from the server, sound output data for outputting sound related to the object included in the image； and a means for outputting sound based on the sound output data.本發明之客戶裝置與可產生與圖像中所含之對象相關之聲音輸出資料之伺服器連接，且具備：取得包含安裝於使用者之手指之至少一個安裝物、及至少一個對象之圖像之圖像資料的機構；朝伺服器發送圖像資料之機構；自伺服器接收用於輸出與圖像中所含之對象相關之聲音之聲音輸出資料的機構；及輸出基於聲音輸出資料之聲音之機構。
