KR20060109041A - EBP Detailed Information Voice Providing Device and Method - Google Patents

Abstract

The present invention relates to an EPG detailed information voice providing apparatus and a method, and according to the present invention, when a user wants to hear detailed information about a predetermined program by voice in an EPG (Electronic Program Guide) displayed on a screen, the EPG stored in a memory The detailed information is extracted from the data, and then converted into a voice signal and outputted so that the user can listen to the detailed information by voice.

Description

EPP detailed information providing device and method {Apparatus and Method for providing detailed information of electronic program guide by sound}

1 is a diagram illustrating an EPG displayed on a screen.

2 is a diagram illustrating a state in which detailed information is displayed on a screen as an example.

3 is a block diagram of an embodiment of an EPG detailed information voice providing apparatus of the present invention;

4 is a flowchart of an embodiment of a method for providing EPG detailed information voice of the present invention;

5 is a flowchart of another embodiment of a method for providing EPG detailed information voice of the present invention;

Explanation of symbols on the main parts of the drawings

100: tuner 110: demultiplexer

120: EPG extraction unit 130: memory

140: OSD processing unit 150: voice conversion unit

160: image processing unit 170: display unit

180: voice processing unit 190: speaker

200: control unit 210: user interface

The present invention relates to an EPG (Electronic Program Guide) detailed information voice providing apparatus and a method for providing the same, the EPG detailed information voice providing apparatus and method for outputting detailed information about a program selected by a user from the EPG displayed on the screen. It is about.

With the development of digital technology, the digitization of analog broadcasting is being actively promoted around the world. As broadcasting has been digitally converted, multi-channel and high quality are possible, and digital television broadcasting provides EPG in addition to a function of providing a simple video signal and audio signal to a user.

By using the EPG provided by the current broadcasting station, viewers of the broadcast signal receiver can acquire the information of the broadcast program for each channel, select and receive the broadcast signal of the channel they want to watch, and also reserve recording, etc. Various functions can be performed.

1 is a diagram illustrating an EPG displayed on a screen. As shown in the drawing, the EPG includes various information including broadcast program information, time information, and voice information of each channel, and when displaying the EPG on a screen, the EPG is normally displayed in order of channel and broadcast time. have. In this case, the broadcast program that the user is watching is shown in a reduced or translucent manner.

In this case, when the user wants to obtain detailed information about a predetermined program, for example, SBS news, the broadcast signal receiver may display a separate POP- on the screen as shown in FIG. 2 to display detailed information about the SBS news. It creates and displays the UP window, in which case it takes up a lot of screens, making the user feel uncomfortable.

As the detailed information about the program is displayed on the screen, there is a problem that the detailed information cannot be used by the blind or illiterate.

An object of the present invention is to provide an EPG detailed information voice providing apparatus and a method for converting and outputting detailed information on a program selected by a user in an EPG displayed on a screen to a voice signal.

An embodiment of the EPG detailed information voice providing apparatus of the present invention includes a demultiplexer for separating an input transport stream into a video stream, a voice stream, and PSIP (Program and System Information Protocol) data, and a PSIP separated by the demultiplexer. The EPG extraction unit for extracting EPG (Electronic Program Guide) data from the data, the memory for storing the EPG data extracted by the EPG extraction unit, and the EPG data that the user wants to output voice from the EPG data stored in the memory to the control of the controller And a speech processing unit configured to decode the speech stream separated by the demultiplexer into a speech signal, and selectively process and output the decoded speech signal and the speech signal converted by the speech converter. It is characterized by.

An on-screen display (OSD) processor for generating an on-screen display (OSD) signal according to the EPG data stored in the memory, and an image stream decoded by the demultiplexer into a video signal, and the OSD generated by the decoded video signal and the OSD processor The method may further include an image processor for synthesizing the signal and outputting the synthesized signal to the display unit.

According to an embodiment of the present invention, a method of providing EPG detailed information voice includes: separating a transport stream into a video stream, a voice stream, and program and system information protocol (PSIP) data; Extracting and storing the EPG (Electronic Program Guide) data in the memory; displaying an EPG data stored in the memory on a screen when an EPG display command is input; and detailed information about a predetermined program among the displayed EPGs. When a voice output command is input, extracting detailed information of a corresponding program from the EPG data stored in the memory, and converting the extracted detailed information into a voice signal and outputting the converted voice information.

Another embodiment of the EPG detailed information voice providing method of the present invention comprises the steps of: separating a transport stream into a video stream, a voice stream, and PSIP (Program and System Information Protocol) data; and the PSIP data separated in the step Extracting and storing the EPG (Electronic Program Guide) data from the memory; and extracting detailed information of the corresponding program from the EPG data stored in the memory when a command for outputting detailed information about a program currently being viewed is input. And converting the extracted detailed information into a voice signal and outputting the same.

Hereinafter, an EPG detailed information voice providing apparatus and a method of providing the present invention will be described in detail with reference to FIGS. 3 to 5.

3 is a block diagram of an embodiment of an EPG detailed information voice providing apparatus of the present invention. As shown in the figure, a tuner 100 for receiving a broadcast signal selected by a user and outputting a transport stream, and a transport stream output by the tuner 100 include an image stream, an audio stream, and a PSIP (Program). and an EPG extractor 120 for extracting EPG (Electronic Program Guide) data from PSIP data separated by the demultiplexer 110, and an EPG extractor 120. Memory 130 for storing the EPG data extracted from the same, an OSD processing unit 140 for generating an OSD (On Screen Display) signal according to the EPG data stored in the memory 130, and stored in the memory 130 An audio signal converting unit 150 for converting an EPG into an audio signal and a video stream separated by the demultiplexer 110 into a video signal, and the OS having the decoded video signal and the OSD processing unit 140 generated An audio stream separated by the image processor 160 for synthesizing and outputting a D signal, a display unit 170 for displaying an image signal and an OSD signal output from the image processor 160, and the demultiplexer 110. The audio processor 180 decodes the audio signal, and selectively outputs one of the decoded voice signal and the voice signal converted by the voice converter 150, and the voice signal output from the voice processor 180. A control unit 200 for controlling the speaker 190 to be output, the EPG stored in the memory 130 to be displayed as an OSD, and the conversion to a voice signal, and the control unit 200 to control the user. It was configured as a user interface 210 for inputting the operation signal.

In the EPG detailed information voice providing apparatus of the present invention configured as described above, the tuner 100 receives a broadcast signal selected by a user from among broadcast signals input through an antenna or a cable and outputs a transport stream.

The transport stream output from the tuner 100 is separated into an image stream, an audio stream, and program and system information protocol (PSIP) data by the demultiplexer 110.

The video stream separated by the demultiplexer 110 is decoded into an image signal by the image processor 160, transferred to the display 170, and displayed on the screen. The voice stream separated by the demultiplexer 110 is displayed on the screen. In this case, the audio signal is decoded into a voice signal and transmitted to the speaker 190 and output.

PSIP data separated by the demultiplexer 110 is input to the EPG extraction unit 120. The PSIP data separated by the demultiplexer 110 may include a system time table (STT), a master guide table (MGT), a virtual channel table (VCT), a rating region table (RTT), an event information table (ETT), and extended text (ETT). Table).

The PSIP defines EPG (Electronic Program Guide) and SI (System Information) as one standard, and is a standard specification of ATSC (Advanced Television Systems Committee) for terrestrial and cable digital broadcasting. That is, the PSIP is intended to provide various information about a program by allowing parsing of data encoded by the method of Moving Picture Experts Group (MPEG-2).

Here, the system time table (STT) provides information on the current date and time, and the master guide table (MGT) provides meta information of all other tables except the STT, that is, the version, size, and PID (Packet IDentifier) of the tables. The VCT (Virtual Channel Table) provides information on the attributes of all virtual channels in the transport stream of digital broadcasting.

In addition, the Rating Region Table (RRT) provides viewing age rating information for various regions, and the Event Information Table (EIT) provides information on events (programs) of virtual channels, and Extended Text Table (ETT). Provides detailed information on the events (programs) contained in the EIT.

The EPG data is included in the VCT, the EIT, the ETT, and the like, and the EPG extractor 120 extracts the EPG data from the PSIP data.

The EPG data separated by the EPG extractor 120 is stored in the memory 130. In this case, the memory 130 is divided into broadcast program names, broadcast dates and broadcast times, subtitle information, and voice information for each channel. Is stored in the corresponding area.

Here, when the user wants to display the EPG on the screen and inputs an EPG display command through the user interface 210, the controller 200 extracts the EPG data stored in the memory 130 and the OSD processing unit 140. To send.

The OSD processor 140 generates an On Screen Display (OSD) signal based on the transmitted EPG and transmits the OSD signal to the image processor 160. The image processor 160 synthesizes the decoded image signal and the OSD signal generated by the OSD processor 140 and transfers the generated OSD signal to the display unit 170 to display the EPG on the screen.

Here, the user displays detailed information about the predetermined program in the EPG displayed on the screen, for example, to display detailed information about the SBS news in the EPG screen illustrated in FIG. 1 through the user interface 210. When the command is input, the controller 200 extracts detailed information data about the SBS news from the EPG data stored in the memory 130 and transmits the detailed information data to the voice converter 150.

Since the detailed information data extracted from the memory 130 is a character code value for displaying characters on the screen by the display unit 170, the voice conversion unit 150 converts the character code value into a voice signal. Change it and transfer it to the voice processing unit 180.

That is, when the detailed information data is input, the voice conversion unit 150 analyzes the grammatical structure of the input data, generates a rhyme like a human reading by the analyzed document structure, and is stored according to the generated rhyme. The detailed information data is converted into a voice signal by collecting basic units of a voice DB (Data Base).

When the voice signal is input from the voice converter 150, the voice processor 180 blocks the input of the voice stream separated by the demultiplexer 110 and converts the voice signal input from the voice converter 150 into a speaker. (190) "The current broadcast name is SBS News. Broadcasting time is broadcast from 8 to 9 pm. There is closed caption. Voice is multicast. Current broadcast is a program that aggregates today's news. . " As described above, detailed information about the SBS news is output as a voice.

4 is a flowchart illustrating an embodiment of a method for providing EPG detailed information voice according to the present invention. As shown in the drawing, first, the demultiplexer 110 separates an input transport stream into a video stream, a voice stream, and PSIP (Program and System Information Protocol) data (S 10).

Thereafter, the EPG extractor 120 extracts EPG data from the PSIP data separated by the demultiplexer 110, and the memory 130 stores the EPG data separated by the EPG extractor 120 (S 20). ).

Next, the controller 200 checks whether an EPG display command is input (S30). As a result of the checking of step S 30, when an EPG display command is input, the controller 200 extracts EPG data stored in the memory 130 and transmits the EPG data to the OSD processor 140 (S 40).

Thereafter, the OSD processor 140 generates an On Screen Display (OSD) signal based on the EPG data and transmits the generated OSD signal to the image processor 160 (S50). The image processor 160 synthesizes the decoded image signal and the OSD signal generated by the OSD processor 140 and transfers the generated OSD signal to the display unit 170 to display the EPG on the screen (S 60).

Next, the controller 200 checks whether a detailed information voice output command for the predetermined program of the displayed EPG is input (S 70). When the detailed information voice output command is input as a result of the checking in step S 70, the controller 200 extracts detailed information about the corresponding program from the EPG data stored in the memory 130, and then converts the voice to the voice converter 150. Transfer to (S 80).

Subsequently, the voice converter 150 converts the detailed information about the corresponding program to a voice signal and transmits the detailed information to the voice processor 180 (S90). When the voice signal is transmitted from the voice converter 150, the voice processor 180 blocks the input of the voice stream separated by the demultiplexer 110 and converts the voice signal input from the voice converter 150 into a speaker. The method transmits the information to the 190 so that detailed information about the corresponding program is output as a voice (S 100).

5 is a flowchart of another embodiment of a method for providing EPG detailed information voice of the present invention. As shown therein, first, the demultiplexer 110 separates an input transport stream into an image stream, a voice stream, and PSIP (Program and System Information Protocol) data (S 200).

Thereafter, the EPG extractor 120 extracts EPG data from the PSIP data separated by the demultiplexer 110, and the memory 130 stores the EPG data separated by the EPG extractor 120 (S 210). ).

Next, the controller 200 checks whether a detailed information audio output command is input to the currently viewed program (S220).

That is, the user interface 210 is provided with a key that provides a function of outputting detailed information about a program currently being viewed by voice, and the control unit 200 selects the key and the user is currently watching the program. Check whether you input a detailed information voice output command.

As a result of the checking in step S 220, when there is a command for outputting detailed information about the program currently being viewed, the controller 200 extracts detailed information about the corresponding program from the EPG data stored in the memory 130. Transfer to the conversion unit 150 (S 230).

Subsequently, the voice converter 150 converts the received detailed information about the corresponding program into a voice signal and transmits the detailed information to the voice processor 180 (S240). When the voice signal is transmitted from the voice converter 150, the voice processor 180 blocks the input of the voice stream separated by the demultiplexer 110 and converts the voice signal input from the voice converter 150 into a speaker. In step S250, detailed information about the program is output as a voice.

On the other hand, while the present invention has been shown and described with respect to specific preferred embodiments, various modifications and changes of the present invention without departing from the spirit or field of the invention provided by the claims below It can be easily understood by those skilled in the art.

According to the present invention, it is not necessary to generate a separate POP-UP window and display the detailed information on the screen by sounding detailed information about a program selected by the user in the EPG displayed on the screen, and to the visually impaired people. Can provide detailed information about

Claims (4)

A demultiplexer for separating an input transport stream into a video stream, an audio stream, and program and system information protocol (PSIP) data; An EPG extraction unit for extracting EPG (Electronic Program Guide) data from the PSIP data separated by the demultiplexer; A memory for storing the EPG data extracted by the EPG extractor; A voice converter for converting the EPG data that the user wants to output voice from among the EPG data stored in the memory into a voice signal under the control of the controller; And And a speech processing unit which decodes the speech stream separated by the demultiplexer into a speech signal, and selectively processes and outputs the decoded speech signal and the speech signal converted by the speech converter. The display apparatus of claim 1, further comprising: an OSD processing unit for generating an OSD (On Screen Display) signal according to the EPG data stored in the memory, and a video stream separated by the demultiplexer into a video signal, and decoding the decoded video signal and the OSD. And an image processor for synthesizing the OSD signal generated by the processor and outputting the synthesized OSD signal to the display unit. Separating the transport stream into a video stream, an audio stream, and program and system information protocol (PSIP) data; Extracting EPG (Electronic Program Guide) data from the PSIP data separated in the above step and storing it in a memory; Displaying an EPG data stored in the memory on a screen when an EPG display command is input; Extracting detailed information of a corresponding program from EPG data stored in the memory when a detailed information voice output command for a predetermined program is input among the displayed EPGs; And And converting the extracted detailed information into a voice signal and outputting the same. Separating the transport stream into a video stream, an audio stream, and program and system information protocol (PSIP) data; Extracting EPG (Electronic Program Guide) data from the PSIP data separated in the above step and storing it in a memory; Extracting detailed information of a corresponding program from the EPG data stored in the memory when a detailed information voice output command is input for the currently viewed program; And And converting the extracted detailed information into a voice signal and outputting the same.

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