Electronic apparatus and control method thereof

• US 10,468,023 B2
• Filed: 08/03/2017
• Issued: 11/05/2019
• Est. Priority Date: 12/23/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Ryu, Young-jun, Kim, Dong-Wan, Bae, Jae-hyun, Shin, Ki-hoon, Cho, Nam-gook, Ko, Byeong-seob, Kim, Ki-beom, Ryu, Hee-seob
• Primary Examiner(s): Leland, III, Edwin S
• Application Number:
  US15/667,747
• Publication Number:
  US 20170330568A1
• Time in Patent Office: 824 Days
• Field of Search: 704231
• CPC Class Codes: G06F 1/3215 Monitoring of peripheral devices
• CPC Class Codes: G06F 1/3265 Power saving in display device
• CPC Class Codes: G06F 3/167 Audio in a user interface, e.g. using voice commands for navigating, audio feedback
• CPC Class Codes: G10L 15/02 Feature extraction for speech recognition; Selection of recognition unit
• CPC Class Codes: G10L 15/22 Procedures used during a speech recognition process, e.g. man-machine dialogue
• CPC Class Codes: G10L 15/32 Multiple recognisers used in sequence or in parallel; Score combination systems therefor, e.g. voting systems
• CPC Class Codes: G10L 2015/088 Word spotting
• CPC Class Codes: G10L 2015/223 Execution procedure of a spoken command
• CPC Class Codes: H04N 21/42203 sound input device, e.g. microphone
• CPC Class Codes: H04N 21/42206 characterized by hardware details
• 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 21/4436 Power management, e.g. shutting down unused components of the receiver power management in computer systems G06F1/3203; hibernate or awake process in computer systems G06F9/4418
• CPC Class Codes: H04N 5/60 for the sound signals
• CPC Class Codes: H04N 5/63 Generation or supply of power specially adapted for television receivers

Abstract

Disclosed are a display apparatus and a method of controlling the display apparatus. The display apparatus includes: a signal receiver configured to receive a broadcasting signal; a display configured to display an image based on the received broadcasting signal; a sound receiver configured to receive a sound spoken by a user; a first sound recognizer configured to be supplied with power when the display apparatus is in a standby mode, and determine whether the received sound is a reserved word candidate having a high probability of corresponding to a reserved word; a second sound recognizer configured to be supplied with power when the received sound is determined as the reserved word candidate and to determine whether the received sound is the reserved word; and a controller configured to control the preset operation to be performed when the received sound is determined as the reserved word.

Claims

1. An electronic apparatus comprising:

a display;

a sound receiver;

a first sound recognizer;

a power supply;

a second sound recognizer; and

a controller configured to;

in a standby mode of the electronic apparatus, control the power supply to supply electric power to the first sound recognizer and not to supply electric power to the second sound recognizer,

based on a sound being received by the sound receiver in the standby mode, control the first sound recognizer to identify whether the received sound is a reserved word candidate, the reserved word candidate being a sound that has a sound characteristic relating to a reserved word,

based on the received sound being identified as the reserved word candidate, control the power supply to supply electric power to the second sound recognizer, and control the second sound recognizer to identify whether the received sound is the reserved word, and

based on the received sound being identified as the reserved word, control a preset operation corresponding to the identified reserved word to be performed.

2. The electronic apparatus according to claim 1,

wherein the first sound recognizer identifies whether the received sound is the reserved word candidate based on a similarity between the received sound and the reserved word, and

wherein the second sound recognizer identifies whether the received sound is the reserved word based on the similarity between the received sound and the reserved word.

3. The electronic apparatus according to claim 1, wherein the first sound recognizer identifies whether the received sound is the reserved word candidate based on at least one selected from among an energy characteristic, a human sound characteristic and a similarity with the reserved word in accordance with current conditions.

4. The electronic apparatus according to claim 1, wherein the display is not supplied with electric power in the standby mode, and is supplied with electric power based on a sound characteristic of the received sound being identified to correspond to the reserved word.

5. The electronic apparatus according to claim 1, wherein the reserved word comprises a first reserved word and a second reserved word, and the first sound recognizer, based on the electronic apparatus being in the standby mode, identifies whether a sound characteristic of the received sound corresponds to the first reserved word, and identifies whether the sound characteristic of the received sound corresponds to the second reserved word based on the electronic apparatus being in a normal mode.

6. The electronic apparatus according to claim 5, wherein a number of commands corresponding to the second reserved word is larger than a number of commands corresponding to the first reserved word.

7. A method of controlling an electronic apparatus, the method comprising:

controlling a first sound recognizer to be supplied with electric power and controlling a second sound recognizer not to be supplied with electric power in a standby mode of the electronic apparatus,

based on a sound being received in the standby mode, identifying, by the first sound recognizer, whether the received sound is a reserved word candidate, the reserved word candidate being a sound that has a sound characteristic relating to a reserved word,

based on the received sound being identified as the reserved word candidate, controlling the second sound recognizer to be supplied with electric power and identifying, by the second sound recognizer, whether the received sound is the reserved word, and

performing a preset operation corresponding to the identified reserved word based on the received sound being identified as the reserved word.

8. The method according to claim 7, wherein the identifying whether the received sound is the reserved word candidate is performed based on a similarity between the received sound and the reserved word, and

wherein the second sound recognizer identifies whether the received sound is the reserved word based on the similarity between the received sound and the reserved word.

9. The method according to claim 7, wherein the identifying whether the received sound is the reserved word candidate is performed based on at least one selected from among an energy characteristic, a human sound characteristic and a similarity with the reserved word in accordance with current conditions.

10. The method according to claim 7, further comprising:

supplying no electric power to an operation performer that performs an operation corresponding to the reserved word in the standby mode, and supplying the electric power to the operation performer based on a sound characteristic of the received sound being identified to correspond to the reserved word.

11. The method according to claim 7, wherein the reserved word further comprises a first reserved word and a second reserved word, and the identifying whether the received sound is the reserved word candidate comprises:

identifying whether a sound characteristic of the received sound corresponds to the first reserved word in the standby mode; and

identifying whether the sound characteristic of the received sound corresponds to the second reserved word based on the electronic apparatus being in a normal mode.

12. The method according to claim 11, wherein a number of commands corresponding to the second reserved word is larger than a number of commands corresponding to the first reserved word.

13. An electronic apparatus comprising:

a sound receiver;

a power supply;

a first sound recognizer;

a second sound recognizer; and

a controller configured to;

in a standby mode of the electronic apparatus, control the power supply to supply electric power to the first sound recognizer and not to supply electric power to the second sound recognizer,

based on a sound being received by the sound receiver in the standby mode, control the first sound recognizer to identify whether the received sound is a reserved word candidate, the reserved word candidate being a sound that has a sound characteristic relating to a reserved word,

based on the received sound being identified as the reserved word candidate, control the power supply to supply electric power to the second sound recognizer, and control the second sound recognizer to identify whether the received sound is the reserved word,

based on the received sound being identified as the reserved word, control a preset operation corresponding to the identified reserved word to be performed, and

wherein the first sound recognizer that identifies whether the received sound is the reserved word candidate consumes less electric power than the second sound recognizer that identifies whether the received sound is the reserved word.

14. An electronic apparatus comprising:

a display;

a sound receiver, wherein the electronic apparatus identifies a current operation mode;

a power supply;

a first sound recognizer;

a second sound recognizer; and

a controller configured to;

control the power supply to supply electric power to the first sound recognizer in a power saving mode, and control, based on a sound being received by the sound receiver in the power saving mode, the first sound recognizer to identify whether the received sound is a reserved word candidate, the reserved word candidate being a sound that has a sound characteristic relating to a reserved word,

control, based on the received sound being identified as the reserved word candidate, the power supply to supply electric power to the second sound recognizer to identify whether the received sound is the reserved word,

wherein based on the current operation mode corresponding to a first operation mode, the first sound recognizer identifies whether the received sound corresponds to a first reserved word,

wherein based on the current operation mode corresponding to a second operation mode, the first sound recognizer identifies whether the received sound corresponds to a second reserved word, wherein a number of commands corresponding to the second reserved word is greater than a number of commands corresponding to the first reserved word, and

wherein the controller is configured to control a preset operation corresponding to the identified reserved word to be performed based on the received sound being identified as the first or second reserved word.