IMAGE DISPLAY APPARATUS AND METHOD OF CONTROLLING THE SAME

• US 20130179168A1
• Filed: 01/09/2013
• Published: 07/11/2013
• Est. Priority Date: 01/09/2012
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: YOU, Ho Jeong, BAE, Dae Gyu, CHA, Tae Hwan
• Granted Patent: US 9,401,149 B2
• Time in Patent Office: Days
• US Class Current: 704/248
• CPC Class Codes: G10L 15/08 Speech classification or search
• CPC Class Codes: G10L 15/22 Procedures used during a speech recognition process, e.g. man-machine dialogue
• CPC Class Codes: G10L 15/26 Speech to text systems G10L15/08 takes precedence
• CPC Class Codes: G10L 17/22 Interactive procedures; Man-machine interfaces
• CPC Class Codes: G10L 2015/223 Execution procedure of a spoken command
• CPC Class Codes: G10L 21/00 Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility G10L19/00 takes precedence
• CPC Class Codes: H03G 3/02 Manually-operated control H03G3/001 and H03G3/002 take precedence
• CPC Class Codes: H03G 3/3005 in amplifiers suitable for low-frequencies, e.g. audio amplifiers H03G3/32, H03G3/34 take precedence
• CPC Class Codes: H04N 21/42203 sound input device, e.g. microphone
• CPC Class Codes: H04N 21/42204 User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor constructive details of casings for the remote control device H01H9/0235; user interfaces for controlling a tuning device of a television receiver through a remote control H03J9/00; remote control of peripheral devices connected to a television receiver through the remote control device of the television receiver H04B1/205
• CPC Class Codes: H04N 21/42206 characterized by hardware details
• CPC Class Codes: H04N 21/4221 Dedicated function buttons, e.g. for the control of an EPG, subtitles, aspect ratio, picture-in-picture or teletext
• CPC Class Codes: H04N 21/42222 Additional components integrated in the remote control device, e.g. timer, speaker, sensors for detecting position, direction or movement of the remote control, microphone or battery charging device
• CPC Class Codes: H04N 21/4312 involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
• CPC Class Codes: H04N 21/4394 involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams arrangements characterised by components specially adapted for monitoring, identification or recognition of audio in broadcast systems H04H60/58
• CPC Class Codes: H04N 21/4396 by muting the audio signal

Abstract

Provided are an image display apparatus and a method of controlling the same. The image display apparatus enabling voice recognition includes: a first voice inputter which receives a user-side audio signal; an audio outputter which outputs an audio signal processed by the image display apparatus; a first voice recognizer which recognizes the user-side audio signal received through the first voice inputter; and a controller which decreases a volume of the audio signal output through the audio outputter to a predetermined level if a voice recognition start command is received.

Claims

1. An image display apparatus enabling voice recognition, the image display apparatus comprising:

a first voice inputter which receives a user-side audio signal of a user;

an audio outputter which outputs an audio signal processed by the image display apparatus;

a first voice recognizer which analyzes the received user-side audio signal; and

a controller which decreases a volume of the output audio signal to a predetermined level in response to determining that a voice recognition start command is received, the voice recognition start command indicating a start of a voice recognition in the analyzed user-side audio signal.

2. The image display apparatus according to claim 1, wherein the voice recognition start command is received as a voice signal of the user through the first voice inputter.

3. The image display apparatus according to claim 2, wherein the controller determines that the voice recognition start command is received in response to determining that a predetermined voice recognition start command word is received through the first voice inputter.

4. The image display apparatus according to claim 2, wherein the controller determines that the voice recognition start command is received in response to determining that voice having a predetermined volume or more is received through the first voice inputter.

5. The image display apparatus according to claim 2, further comprising a background sound canceller which reduces background sound other than the voice signal of the user from the received user-side audio signal.

6. The image display apparatus according to claim 5, wherein the background sound canceller reduces, from the received user-side audio signal received through the first voice inputter, audio output through the audio outputter.

7. The image display apparatus according to claim 1, wherein the controller returns the volume of the output audio signal to a volume of the audio signal when the voice recognition begins, when the voice recognition ends.

8. The image display apparatus according to claim 7, wherein the controller determines that the voice recognition ends in response to determining that a control command of the user is not received through the first voice inputter for a predetermined voice recognition end time or more.

9. The image display apparatus according to claim 8, wherein the controller requests the user to input a control command in response to determining that the control command of the user is not received through the first voice inputter for a predetermined command request time or more.

10. The image display apparatus according to claim 7, wherein the controller determines that the voice recognition ends in response to receiving a voice recognition end command word through the first voice inputter.

11. The image display apparatus according to claim 1, further comprising:

a command word generator which generates a voice recognition start command word corresponding to the voice recognition start command.

12. The image display apparatus according to claim 11, wherein the command word generator receives a candidate command word through the first voice inputter, tests whether the received candidate command word is suitable as the voice recognition start command word, and registers the received candidate command word as the voice recognition start command word in response to determining that the received candidate command word is suitable as the voice recognition start command word according to the testing.

13. The image display apparatus according to claim 12, wherein the command word generator receives a selection command from the user and selects and sets the voice recognition start command word according to the received selection command when the number of registered voice recognition command words is two or more.

14. An image display system comprising:

the image display apparatus according to claim 1; and

a remote controller which remotely controls the image display apparatus,

wherein the remote controller includes;

an input button which receives a control command of the user;

a second voice inputter which receives another user-side audio signal; and

a second voice recognizer which analyzes the other user-side audio signal received through the second voice inputter.

15. The image display system according to claim 14, wherein the controller determines that the voice recognition start command is received in response to determining that voice having a predetermined volume or more is received through the second voice inputter.

16. The image display system according to claim 15, wherein the controller returns the volume of the output audio signal to a volume of the audio signal when the voice recognition begins, when the voice recognition ends.

17. The image display system according to claim 16, wherein the controller determines that the voice recognition ends in response to determining that the control command of the user is not received through the second voice inputter for a predetermined voice recognition end time or more.

18. The image display apparatus according to claim 17, wherein the controller requests the user to input a control command in response to determining that the control command of the user is not received through the second audio inputter for a predetermined command request time or more.

19. An image display apparatus enabling voice recognition, the image display apparatus comprising:

a voice inputter which receives a control command word in an audio input from a user; and

a display which displays at least one icon corresponding to a plurality of control command words and which changes an icon, from among the at least one icon, corresponding to the received control command word in response to the control command word being received from the user through the voice inputter.

20. The image display apparatus according to claim 19, wherein:

the display displays a first icon corresponding to a first control command word and a second control command word; and

the display changes the first icon to a first changed icon in response to the first control command word being received, and changes the first icon to a second changed icon, different from the first changed icon, in response to the second control command word being received.

21. The image display apparatus according to claim 20, wherein the first changed icon and the second changed icon have different colors.

22. A method of controlling an audio output apparatus including an audio outputter, the method comprising:

receiving a user-side audio signal from a user through a voice inputter;

determining whether the received user-side audio signal corresponds to a voice recognition start command; and

decreasing a volume of an audio signal output through the audio outputter to a predetermined level in response to determining that the received user-side audio signal corresponds to the voice recognition start command.

23. The method according to claim 22, further comprising reducing a background sound signal other than a voice signal of the user from the received user-side audio signal.

24. The method according to claim 23, wherein the background sound signal corresponds to audio output through the audio outputter.

25. The method according to claim 24, further comprising returning the volume of the output audio signal to a volume of the audio signal when voice recognition begins, when the voice recognition ends.

26. The method according to claim 25, further comprising determining that the voice recognition ends in response to determining that a control command of the user is not received through the voice inputter for a predetermined voice recognition end time or more.

27. The method according to claim 25, further comprising determining that the voice recognition ends in response to receiving a voice recognition end command word through the voice inputter.

28. The method according to claim 22, wherein the voice inputter is comprised in a remote controller that remotely controls the audio output apparatus.

40. A computer readable recording medium having recorded thereon a program executable by a computer for performing the method of claim 22.

29. A method of controlling an image display apparatus enabling voice recognition, the method comprising:

receiving a candidate command word from a user through a voice inputter;

testing whether the received candidate command word is suitable as a control command word to be subjected to voice recognition; and

registering the received candidate command word as the control command word in response to determining that the received candidate command word is suitable as the control command word according to the testing.

30. The method according to claim 29, further comprising receiving a selection command from the user and selecting and setting the control command word according to the received selection command when the number of registered control command words for a command is two or more.

41. A computer readable recording medium having recorded thereon a program executable by a computer for performing the method of claim 29.

31. A method of controlling an image display apparatus, the method comprising:

decreasing a volume of an audio signal output from the processing apparatus to a predetermined volume in response to determining that a voice recognition start command is received from a user through a voice inputter of the image processing apparatus or through a remote controller; and

returning the volume of the output audio signal to an original level in response to determining that a voice recognition end command is received from the user.

32. The method according to claim 31, wherein the decreasing comprises receiving the voice recognition start command of the user through the voice inputter.

33. The method according to claim 31, wherein the decreasing comprises receiving voice having a predetermined volume or more through the voice inputter.

34. The method according to claim 31, wherein the returning the volume comprises receiving the voice recognition end command of the user through the voice inputter.

35. The method according to claim 31, wherein the voice recognition end command is received when a control command is not received through the voice inputter for a predetermined voice recognition end time or more.

42. A computer readable recording medium having recorded thereon a program executable by a computer for performing the method of claim 31.

36. An image display apparatus, comprising:

an audio output controller which controls an output of an audio signal; and

a controller which, in response to determining that a voice recognition starts, performs at least one of decreasing a volume of the output audio signal to a predetermined level and reducing a background sound other than a voice signal of a user from a user-side audio signal received from the user.

37. The image display apparatus according to claim 36, further comprising:

a first voice inputter which receives the user-side audio signal from the user; and

a first voice recognizer which analyzes the received user-side audio signal.

38. The image display apparatus according to claim 36, wherein the controller receives the user-side audio signal from the user through a remote controller.

39. The image display apparatus according to claim 36, wherein the controller reduces the background sound from the user-side audio signal by reducing, from the user-side audio signal, audio output through the audio outputter.