Multimedia device and control method thereof

1 . A method of controlling a multimedia device, the method comprising:

displaying a video of content on a screen of the multimedia device;

receiving audio data related with a voice uttered by a user;

recognizing a voice of the received audio data with reference to a memory; and

executing a command according to a recognition result of the voice,

wherein the recognition result of the voice varies depending on additional information of the content,

wherein the additional information of the content includes electronic program guide (EPG) information and information extracted from the video,

wherein the method further comprises conducting a different action according to which information between the EPG information and the information extracted from the video a specific keyword of the received audio data matches,

wherein the method further comprises increasing a recognition coefficient for the specific keyword from among a plurality of candidate keywords when the specific keyword matches the information extracted from the video.

2 . The method of claim 1 , wherein the additional information of the content further includes text information output through an application.

3 . The method of claim 2 , wherein the additional information of the content is stored in the memory.

4 . The method of claim 3 , further comprising converting the received audio data into the plurality of candidate keywords through a speech to text (STT) module.

5 . The method of claim 4 , further comprising executing a command according to the specific keyword from among the plurality of candidate keywords when the specific keyword matches the EPG information or the text information stored in the memory.

6 . The method of claim 1 , wherein the multimedia device includes a television (TV), and

the audio data is received through a microphone of the TV or a remote controller.

7 . A multimedia device comprising:

a display configured to display a video of content on a screen of the multimedia device;

a microphone configured to receive audio data related with a voice uttered by a user; and

a controller configured to recognize a voice of the received audio data with reference to a memory and execute a command according to a recognition result of the voice,

wherein the recognition result of the voice varies depending on additional information of the content,

wherein the additional information of the content includes electronic program guide (EPG) information and information extracted from the video,

wherein the controller is configured to conduct a different action according to which information between the EPG information and the information extracted from the video a specific keyword of the received audio data matches,

wherein the controller is further configured to increase a recognition coefficient for the specific keyword from among a plurality of candidate keywords when the specific keyword matches the information extracted from the video.

8 . The multimedia device of claim 7 , wherein the additional information of the content further includes text information output through an application.

9 . The multimedia device of claim 8 , wherein the additional information of the content is stored in the memory.

10 . The multimedia device of claim 9 , wherein the controller is configured to convert the received audio data into the plurality of candidate keywords through a speech to text (STT) module.

11 . The multimedia device of claim 10 , wherein the controller is configured to execute a command according to the specific keyword from among the plurality of candidate keywords when the specific keyword matches the EPG information or the text information stored in the memory.

12 . The multimedia device of claim 7 , wherein the multimedia device includes a television (TV), and

the microphone is attached to the TV or a remote controller.