Patent Document ID: 7698138
Application ID: 10542409

Base Claim:
1. A broadcast receiving method comprising: a receiving step of receiving, simultaneously with broadcast contents, additional information containing keyword information for specifying an object that appears in the broadcast contents, and a scene code indicating a scene of the broadcast contents, the additional information and the scene code being broadcasted; a language model specifying step of specifying, out of language models retained in advance, the language model corresponding to the received scene code when the scene code is received; a speech recognition step of performing speech recognition of a voice uttered by a viewing person, by using the specified language model; a specifying step of specifying the keyword information based on the speech recognition result; and a displaying step of displaying the additional information containing the specified keyword information.

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Claim 17:
17. The broadcast receiving method according to claim 1 , wherein the scene code is broadcasted every time the scene has changed, the receiving step receives the scene code broadcasted every time the scene has changed, the language model specifying step specifies the language model every time the scene code has received, and the speech recognition step performs the speech recognition by using the language model specified every time the scene code is received.