Patent US 11,615,794

A voice recognition system includes a server storing a plurality of manuals and a display apparatus transmitting, when a spoken voice of a user is recognized, characteristic information and a spoken voice signal corresponding to the spoken voice to the server, the characteristic information is characteristic information of the display apparatus, the server transmits a response signal to the spoken voice signal to the display apparatus based on a manual corresponding to the characteristic information among the plurality of manuals, and the display apparatus processes an operation corresponding to the received response signal; as a result, user convenience increases.