KR20000042732A - Apparatus and method for controlling character information outputs of television - Google Patents

Abstract

PURPOSE: An apparatus for controlling character information outputs of a television is provided to output character information as a voice or characters by detecting and storing the character information on a screen. CONSTITUTION: A character information detector(20) detects character information from a video processor(10). A memory(21) stores the detected character information through the character information detector(20). A voice generator(22) generates a voice signal corresponding to the character information stored in the memory(21). A character generator(23) generates the character signal corresponding to the character information stored in the memory(21). A voice/character selection key(18) selects the output of a voice or characters of the character information stored in the memory(21).

Description

Character information output control apparatus and method for television

The present invention relates to a character information output control apparatus and method of a television, and more particularly, an audio signal detected by a voice detector is voice-processed by a voice processor to output voice to a speaker, and an image detected by an image detector. In a television in which a signal is processed by an image processing unit and an image is displayed on a CRT, the character information displayed on the screen is detected and stored, and then the stored character information is output as voice or text to output the selected text information as voice or text. The present invention relates to a character information output control apparatus and method for a television.

In Fig. 1, an example of the configuration of a general television is shown in a block diagram.

As shown in FIG. 1, a television (TV) includes an antenna (1), a tuner (2), an IF amplifier (3), a P / S separation unit (4), a voice detector (5), and a voice processor ( 6), audio amplifier 7, speaker 8, image detector 9, image processor 10, CRT driver 11, CRT 12, remote controller 13, receiver 14, controller 15, the OSD generator 16 and the mixer 17 is configured.

The antenna 1 receives a broadcast signal of airwaves, the tuner 2 is controlled by the controller 15 to tune the received broadcast signal, and the IF amplifier 3 generally constitutes a chroma IC to a main IC. And amplifies the intermediate frequency (IF) output from the tuner (2), and the P / S separation unit (4) includes a surface acoustic wave filter to convert the amplified intermediate frequency (IF) into an image intermediate frequency (PIF) and an audio intermediate frequency. Separate by (SIF).

The voice detector 5 detects the voice signal from the voice intermediate frequency (SIF), and the voice processor 6 detects the detected voice signal based on the control signal of the controller 15. And voice processing such as volume, and the voice amplifier 7 amplifies the processed voice signal and outputs it to the speaker 8.

The image detector 9 detects an image signal from an image intermediate frequency (PIF), and the image processor 10 detects the detected image signal according to a control signal of the controller 15 to display an image such as color, tint, and brightness. Processing is performed to output R (Red), G (Green), B (Blue) and luminance (Y) signals corresponding to the image signal, and the mixer 17 outputs the R, G, B and luminance (Y) signals. And OSD pattern data signals R ', G', B 'and OSD blanking signal Y' generated by the OSD generator 16 are mixed and output to the CRT 12 via the CRT driver 11. The image is displayed together with the predetermined OSD pattern data from the OSD generator 16.

The remote controller 13 transmits an infrared signal for the viewer to turn on / off the TV, adjust the volume, change the channel, or remotely control the entire apparatus, and converts it into an electrical code signal at the receiver 14 of the television. By outputting, the whole apparatus is controlled by the control part 15 according to the electrical code signal.

However, in the conventional television configured and performed as described above, there is a problem that a screen of a channel selected by a tuner is simply displayed on the CRT, and character information appearing on the screen cannot be selected and output.

Accordingly, the present invention is to solve this problem, the character information of the television for detecting and storing the character information appearing on the screen and then outputting the stored character information to speech or text to select and output the character information as speech or text It is an object of the present invention to provide an output control apparatus and method.

1 is a block diagram showing an example of a configuration of a general television;

2 is a block diagram showing the configuration of a character information output control apparatus for a television according to an embodiment of the present invention;

3 is a flow chart showing the configuration of a method for controlling character information output of a television according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

2: Tuner 4: P / S separation unit

6: voice processing unit 8: speaker

10: image processor 12: CRT

13: remote control 14: receiver

16: OSD generator 17: mixer

18: voice / text selection key 19: control unit

20: character information detection unit 21: memory unit

22: voice generator 23: character generator

In order to achieve the above object, the character information output control apparatus of a television according to an embodiment of the present invention includes a voice signal detected by the voice detector and a voice signal processed by the voice processor to output voice to a speaker. A television in which a detected video signal is image-processed by an image processing unit to display an image on a CRT, the television comprising: a character information detection unit detecting character information from the image processing unit; A memory unit for storing character information detected by the character information detection unit; A voice generator for generating a voice signal corresponding to the text information stored in the memory unit; A character generator which generates a character signal corresponding to character information stored in the memory unit; A voice / text selection key for selecting and setting the output of the text information stored in the memory unit as voice or text; When the voice output of the text information is set to on through the voice / text selection key, the text information is detected by the text information detector and stored in the memory, and the text information stored in the memory is output through the voice generator. When the character output of the character information is set to ON, it characterized in that it comprises a control unit for outputting the character information stored in the memory unit as a character through the character generator.

And, in order to achieve the above object, the character information output control method of the television according to one embodiment of the present invention, the voice signal detected by the voice detector is voice-processed by the voice processor to output the voice to the speaker, the image detector In a television in which an image signal detected by the image is processed by an image processing unit to display an image on a CRT, determining whether the television is on and determining whether audio output of text information is on when the television is on. (S1, S2); When the voice output of the text information is in an on state (S2), detecting the text information and storing the detected text information (S3, S4); Storing the detected text information in the step S4 and outputting the stored text information as a voice, and then determining whether the voice output of the text information is in an off state (S5 and S6); Determining whether the text output of the text information is in an on state when the voice output of the text information is not in an on state (S7); When the character output of the character information is in the on state (S7), detecting the character information and storing the detected character information (S8, S9); Outputting the stored character information as a character after the character information detected in the step S9 is stored, and then determining whether the character output of the character information is off (S10 and S11); And determining whether the television is in the off state when the text output is in the off state (S11) and when the audio output is in the off state (S6) (S12).

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram showing the configuration of a character information output control apparatus for a television according to an embodiment of the present invention.

As shown in Figure 2, the character information output control apparatus for a television according to an embodiment of the present invention, the antenna (1), tuner (2), IF amplifier (3), P / S separation unit (4) , A voice detector 5, a voice processor 6, a voice amplifier 7, a speaker 8, an image detector 9, an image processor 10, a CRT driver 11, a CRT 12, Remote controller 13, receiver 14, OSD generator 16, mixer 17, voice / character selection key 18, controller 19, character information detector 20, memory 21, voice The generator 22 and the character generator 23 are comprised.

The voice / text selection key 18 is for the viewer to select and set the output of the text information to the voice or the text on / off, so that the output to the voice or the text is set to the on / off by the viewer's operation. (E.g., press once to turn on the audio output of the text information, press again to turn off the audio output of the text information, press again to turn on the text output of the text information, and once again Press to configure the character output of the character information to be set off)) or may be configured on the remote control 13.

When the voice output is set to on through the voice / text selection key 18, the controller 19 detects the text information through the text information detector 20, stores the text information in the memory 21, and then stores the text information in the memory 21. While the stored text information is output as voice through the voice generator 22 and the voice processor 6, and the text output is set to on through the voice / text selection key 18, the text generator 23 and the OSD are generated. The control unit 16 outputs a control signal for outputting as a character.

The character information detection unit 20 detects the character information from the image signal from the image processing unit 10 by the control signal of the control unit 19 and stores it in the memory unit 21. The memory unit 21 stores the character information detection unit ( Character information detected by 20) is stored.

The voice generator 22 generates a voice signal corresponding to the text information stored in the memory 21 by the control signal of the controller 19, and the text generator 23 is controlled by the control signal of the controller 19. A character signal corresponding to the character information stored in the memory unit 21 is generated.

The voice processor 6 processes and outputs a voice signal generated by the voice generator 22 according to a control signal of the controller 19, thereby outputting text information through the voice amplifier 7 and the speaker 8 to voice. Is output.

The OSD generator 16 outputs an OSD pattern data signal corresponding to the character signal generated by the character generator 23 according to the control signal of the controller 19, thereby providing the CRT through the mixer 17 and the CRT driver 11. In 12, character information is displayed in characters.

In the character information output control apparatus of the television according to the embodiment of the present invention configured as described above, when the television is in an on state, the control unit 19 sets the viewer to turn on the audio output through the voice / text selection key 18. That is, it is determined whether the audio output is on, and when the audio output is on, the controller outputs a control signal for detecting text information, and the text information detecting unit 20 controls the image processing unit (by the control signal of the controller 19). After detecting the character information from the video signal from 10), the detected character information is stored in the memory unit 21.

Thereafter, the control unit 19 outputs a control signal for outputting the text information as voice, and the voice generator 22 corresponds to the text information stored in the memory unit 21 by the control signal of the control unit 19. The voice information is generated, and the voice information generated on the screen through the speaker 8 is output by processing and outputting the voice signal generated by the voice generator 22 according to the control signal of the controller 19 in the voice processor 6. The audio will be output.

On the other hand, when the audio output is not in the on state, the control unit 19 determines whether the text output is turned on by the viewer through the voice / text selection key 18, that is, whether the text output is on. In the case of, the control signal for detecting the character information is output, and the character information detected after detecting the character information from the image signal from the image processor 10 by the control signal of the controller 19 in the character information detector 20 is detected. Is stored in the memory unit 21.

Thereafter, the control unit 19 outputs a control signal for outputting the character information as a character, and the character generator 23 corresponds to the character information stored in the memory unit 21 by the control signal of the control unit 19. Character information is generated to the CRT 12 by generating a text signal and outputting an OSD pattern data signal corresponding to the text signal generated by the text generator 23 by the control signal of the controller 19 by the OSD generator 16. Will be displayed as text.

3 is a flowchart showing a configuration of a method for controlling character information output of a television according to an embodiment of the present invention.

In step S1 of FIG. 3, it is determined whether the television is in the on state. In step S1, it is determined whether the audio output of the text information is in the on state.

That is, the control unit determines that the television is turned on through the key for setting the TV on / off of the remote controller, that is, if the television is turned on by determining whether the television is on, the viewer uses the voice / text selection key. It is determined whether the audio output of the text information is set to on, that is, whether the audio output of the text information is on.

When the voice output of the text information is in the on state at the step S2, the text information is detected at step S3, and the text information detected at the step S4 is stored after the text information is detected at the step S3. .

That is, when the audio output of the text information is on, the control unit outputs a control signal for detecting the text information, and the text information detecting unit detects the text information from the video signal from the image processing unit by the control signal of the controller. The stored character information to the memory unit.

After the text information detected in step S4 is stored, the text information stored in step S5 is output as voice.

That is, after the detected text information is stored, the control unit outputs a control signal for outputting the text information as voice, and the voice generator generates a voice signal corresponding to the text information stored in the memory unit by the control signal of the control unit. In the voice processing unit, text information is output as voice through the speaker by voice processing and outputting the voice signal generated by the voice generating unit by the control signal of the controller.

After the text information stored in the step S5 is output as voice, it is determined in step S6 whether the voice output of the text information is off, and if the voice output of the text information is not in the off state, the step S6 is repeated. .

That is, after the stored text information is output as voice, the control unit determines whether the voice output of the text information is turned off through the voice / text selection key, that is, whether the voice output of the text information is in the off state. If the output is not in the off state, it is repeated whether the audio output of the text information is in the off state.

On the other hand, when the voice output of the text information is not in the ON state in step S2, it is determined whether the text output of the text information is in the ON state in step S7.

That is, when the audio output of the text information is not on, the controller determines whether the text output of the text information is turned on by the voice / text selection key, that is, whether the text output of the text information is on.

If the character output of the character information is turned on in step S7, the character information is detected in step S8, and the character information detected in step S9 is stored after the character information is detected in step S8. .

That is, when the character output of the character information is on, the control unit outputs a control signal for detecting the character information, and the character information detection unit detects the character information from the image signal from the image processing unit by the control signal of the controller and then detects the character information. The stored character information to the memory unit.

After the character information detected in step S9 is stored, the character information stored in step S10 is output as a character.

That is, after the detected character information is stored, the control unit outputs a control signal for outputting the character information as a character, and the character generator generates a character signal corresponding to the character information stored in the memory unit by the control signal of the controller, The OSD information outputs an OSD pattern data signal corresponding to the text signal generated by the text generator by the control signal of the controller to display the text information on the CRT as text.

After the character information stored in the step S10 is output as a character, it is determined whether the character output of the character information is off in step S11, and if the character output of the character information is not off, the step S11 is repeated. .

That is, after the stored text information is output as text, the control unit determines whether the text output of the text information is turned off through the voice / text selection key, that is, whether the text output of the text information is in the off state. If the output is not in the off state, it is repeated whether the character output of the character information is in the off state.

In the step S11, when the text output of the text information is in the off state and in the step S6, when the audio output of the text information is in the off state, it is determined in step S12 whether the television is in the off state and the television is turned off. If not, the operation returns to step S2, and if the television is in the off state, the operation of the television is terminated.

That is, when the text output of the text information is in the off state and when the audio output of the text information is in the off state, the controller subsequently determines whether the television is in the off state, and when the television is not in the off state, the audio output of the text information is in the on state. While determining the authorization and performing the corresponding operation, the operation of the television is terminated by the controller when the television is in the off state.

According to the configuration and operation of the character information output control apparatus and method of the television according to the embodiment of the present invention described above, by detecting and storing the character information appearing on the screen and outputting the stored character information by voice or text This can be selected by voice or text and output.

Claims (2)

The audio signal detected by the audio detector 5 is audio-processed by the audio processor 6 to output audio to the speaker 8, and the video signal detected by the video detector 9 is sent to the video processor 10. In a television in which an image is processed and an image is displayed on the CRT 12: A text information detector 20 for detecting text information from the image processor 10; A memory unit 21 for storing character information detected by the character information detection unit 20; A voice generator 22 for generating a voice signal corresponding to the text information stored in the memory 21; A character generator 23 for generating a character signal corresponding to the character information stored in the memory 21; A voice / text selection key 18 for selecting and setting the output of the text information stored in the memory unit 21 to voice or text; And When the voice output of the text information is set to on through the voice / text selection key 18, the text information is detected by the text information detector 20, stored in the memory 21, and then stored in the memory 21. A control unit for outputting text information as a voice through the voice generating unit 22 and outputting the text information stored in the memory unit 21 as text through the text generating unit 23 when the text output of the text information is set to on ( 19) Character information output control apparatus for a television, comprising a). In a television in which a voice signal detected by the voice detector is voice-processed by the voice processor to output audio to a speaker, and the video signal detected by the video detector is image-processed by the image processor to display an image on the CRT. Judging whether the television is in the on state and determining whether the audio output of the text information is in the on state when the television is in the on state (S1, S2); When the voice output of the text information is in an on state (S2), detecting the text information and storing the detected text information (S3, S4); Storing the detected text information in the step S4 and outputting the stored text information as a voice, and then determining whether the voice output of the text information is in an off state (S5 and S6); Determining whether the text output of the text information is in an on state when the voice output of the text information is not in an on state (S7); When the character output of the character information is in the on state (S7), detecting the character information and storing the detected character information (S8, S9); Outputting the stored character information as a character after the character information detected in the step S9 is stored, and then determining whether the character output of the character information is off (S10 and S11); And Determining whether the television is in the off state when the text output is in the off state (S11) and when the audio output is in the off state (S6) (S12). Information output control method.