KR19980063646U - Teletext Information Voice Output Device - Google Patents

Abstract

The present invention relates to a teletext information voice output device, comprising: a teletext signal processing unit (26) for providing a teletext signal extracted by the teletext data extraction unit (24) in parallel, and providing a page for the teletext signal. A page memory section 30 having a plurality of page memories 30a-30n stored in units, a mode setting button 20a of the remote controller 20 for designating a voice output for the teletext signal, and the teletext information CPU 22 for controlling the screen / voice output state of the teletext information according to whether or not the voice output mode is specified, and to execute the screen / audio output of the teletext information under the control of the CPU 22. An information code judging unit 32 for determining the changed portion from the teletext information, and an audio destination which is activated in the voice output mode to process and output the teletext information as a voice signal It is configured to include means to the voice of the teletext information of the prior to output through a sound output outputted via a channel and the voice of teletext information having a predetermined time difference is changed in a unit of time and one of the audio output channel.

Description

Teletext Information Voice Output Device

The present invention relates to a teletext information voice output device, and more particularly, to a teletext information receiving function of a teletext information and a teletext information outputted by a teletext information. The present invention relates to a text information audio output device.

Nowadays, a text broadcasting system that processes and edits various information collected from a plurality of information servers at a broadcasting station and transmits it as a so-called 'teletext signal' is realized, which is transmitted to the viewer's television by the text broadcasting system. The teletext signal is transmitted through a variety of information including, for example, 'securities', 'travel', 'shopping' information, and coded into the vertical retrace period of the broadcast video signal, and allows the viewer to select the teletext receiving function of the television. When the code data of the teletext information is decoded and displayed on the CRT apparatus, the viewer is provided with the necessary information as text.

1 is a block diagram of a television having a teletext signal reception function according to an example of the related art. In the figure, reference numeral 1 denotes an antenna for receiving a broadcast signal including a teletext signal transmitted over the air from a broadcasting station, and 2 denotes a base band of a channel selected by a viewer from among broadcast signals received by the antenna 1; a receiving circuit section for taking a composite video signal of a band), wherein the composite video signal from the receiving circuit section 2 is simultaneously transmitted to the image color signal processing section 3, the teletext signal receiving section 4, and the synchronization separating section 8; Is applied. Here, the video color signal processor 3 demodulates the composite video signal to provide a basic color signal (R / G / B), and the teletext signal receiver 4 is superimposed on the composite video signal. A teletext signal is taken and converted into an R / G / B signal. The television video signal from the video color signal processing section 3 and the teletext signal from the teletext signal receiving section 4 are applied to the switching section 5 by the switching means 5 and to the switching section 5. The television video signal or teletext signal is thereby selected and applied to the video output section 6 and displayed on the CRT apparatus 7. The switching unit 5 is switched between the television video signal and the teletext signal by a control signal applied from the control unit 11.

Then, the horizontal synchronizing signal and the vertical synchronizing signal separated by the synchronizing separator 8 are applied to the horizontal deflection circuit 9 and the vertical deflection circuit 10 so that the television video signal or the teletext signal is transmitted to the CRT apparatus. The deflection action is performed to display normally.

By the way, in the case of a television having the conventional teletext signal receiving function shown in FIG. 1, when the switching unit 5 is switched to the teletext signal receiving unit 4 under the control of the control unit 11, the receiving circuit unit 2 The teletext signal provided from the C1 is displayed on the CRT apparatus 7 through the image output section 6, so that the teletext information transmitted from the broadcasting station usually has new information prior to the change of the overall information. In many cases, the teletext information is updated and edited. However, in the configuration shown in FIG. 1, the preceding teletext information and the current updated changed information are displayed in a mixed state. Therefore, not only is it disadvantageous for the viewer to easily recognize updated information among the teletext signals displayed on the CRT apparatus 7, but also in that the teletext information can only be recognized on the screen. This is a limitation of the delivery method.

The present invention has been made in view of the above circumstances, and converts the preceding teletext information and the teletext information changed during the unit time into speech, and converts the preceding teletext signal into one voice channel to another voice channel. It is an object of the present invention to provide a teletext information voice output device that outputs changed information with a certain time difference.

In order to achieve the above object, according to a preferred example of the present invention, in a television with a teletext signal reception function for selectively displaying the teletext information included in the composite video signal and transmitted on a CRT device, the teletext data A teletext signal processing unit for providing the teletext signal extracted by the extractor in parallel on a line basis, a page memory unit having a plurality of page memories for storing the teletext signal on a page basis, and a voice output for the teletext signal A mode setting button of a remote controller for designating a screen, a CPU for controlling the screen / voice output state of the teletext information according to whether the voice output mode of the teletext information is specified, and the screen / screen of the teletext information under the control of the CPU Determine the changed part from the preceding teletext information to perform the audio output The information code judging unit, it is active on the audio output mode, the teletext information, the sound output device configured to include a speech processing means for outputting by processing the teletext information in a speech signal is provided.

According to the teletext information voice output device according to the present invention having the above-described configuration, the information portion changed from the preceding teletext information with a certain time difference after reproducing the preceding teletext information stored in the page memory through one voice channel. Play through another voice channel.

1 is a schematic block diagram of a television having a teletext receiving function according to a conventional example;

2 is a block diagram of a teletext information voice output device according to a preferred embodiment of the present invention;

3 is a flowchart for explaining the operation of the teletext information voice output device according to the present invention.

* Description of the symbols for the main parts of the drawings *

20: remote control, 20a: mode setting button,

22: CPU, 24: teletext data extraction unit,

26: teletext signal processor, 28: program memory,

30: page memory section, 30a-30n: page memory section,

32: information code judgment, 34: teletext image processing unit,

36: teletext information output unit, 38: switching element,

40: character / voice conversion code storage unit, 42: speech synthesis unit,

44: Audio output unit.

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

Fig. 2 is a block diagram showing a teletext information voice output device according to the present invention. Reference numeral 20 denotes the setting of the overall function of the television to which the present invention is applicable. A remote control having a TV / TXT (teletext) mode button (not shown) for selectively setting a reproduction mode and a reproduction mode of a broadcast video signal is provided. According to the present invention, the remote control 20 has a voice of teletext information. And a mode setting button 20a for setting the output mode. In addition, 22 denotes a CPU that allows only the changed portion of the preceding teletext information and the preceding teletext information per predetermined unit time to be voice processed under the teletext mode set by the remote controller 20 and the mode setting button 20a. . 24 denotes a teletext data extraction unit for extracting only teletext data from the composite image signal CV received through the reception circuit unit ('2' in FIG. 1). 26 provides the teletext data extractor 24 with a sampling signal SMP applicable to the case where the teletext data is extracted from the composite video signal CV, from the teletext data extractor 24. A teletext signal processing unit which receives the teletext data and the clock signal and transmits the serial teletext data transmitted to a specific channel in the unit of pages necessary for the screen configuration, stores them in units of lines, and applies them to subsequent reproduction processing. Indicates.

Also, 28 is applied to the selection of the character code and the teletext information applied to the interpretation of the teletext code data transmitted in the vertical retrace period of the composite image signal CV when the screen display of the teletext information is selected. A program memory in which program data for displaying the table of contents information is recorded is shown. The program memory 28 includes a table of contents information recording area 28a and a character code recording area 28b.

30 is a page memory unit for storing the teletext information processed in units of pages in the teletext signal processor 26, and the page memory unit 30 includes a plurality of page memories (where teletext information is stored in units of pages). 30a-30n). Further, 32 denotes page memories 30a-30n of the page memory unit 30 under the control of the CPU 22 when the audio output of the teletext information is designated by the mode setting button 20a of the remote controller 20. Information code for comparing only the preceding teletext data TXT1 stored in a specific page memory with the code data of the current teletext data TXT2 processed by the teletext signal processing section 26 to determine only the changed part. The determination unit is shown. That is, the information code judgment unit 32 is processed by the teletext signal processing unit 26 in the state where the voice output of the teletext information is not selected by the mode setting button 20a of the remote controller 20. While bypassing the entire teletext data TXT2 of a specific page (ie, a page corresponding to the table of contents information of the channel selected by the viewer) stored in the specific page memory of the page memory unit 30 as a video signal, In the case where the audio output of the teletext information is set by the mode setting button 20a, the changed portion is coded by comparing the preceding teletext information TXT1 read out from the specific page memory with the current teletext information TXT2. It is determined.

Further, 34 denotes image processing according to the character code provided in the character code recording area 28b of the program memory 28 of the entire (or changed part) teletext data applied through the information code determination unit 32. FIG. 36 denotes a CRT apparatus (FIG. 1) through which the image signal R / G / B processed by the teletext image processing unit 34 is transferred through an image output unit ('6' in FIG. 1). '7') indicates a teletext information output section for output.

38 maintains the non-connection state when the voice output of the teletext information is not designated by the mode setting button 20a of the remote controller 20, while the CPU (if the voice output of the teletext information is designated). A switching element which is connected by the switching signal SW2 from 22 to set the voice processing path of the preceding teletext information from the information code determination unit 32 and the changed teletext information per unit time, 40 denotes a character / voice conversion code storage unit in which a character code stored in the character code area 28b of the program memory 28 and voice synthesis data for speech synthesis of the character code are matched, and 42 is the switching. Based on the character / voice conversion code stored in the character / voice conversion code storage unit 40, the teletext data of all and the changed part applied through the element 38 is stored. A voice synthesizer for synthesizing the voice signal is shown, and 44 denotes one voice output channel (R channel) and the voice signal of the teletext information of the changed part in the other. As the audio output unit 44 for setting and outputting the audio output channel (L channel) of the audio output unit (L channel), the audio output unit 44 is preferably applicable to a well-known audio processing system provided in a television.

Next, the operation of the teletext information voice output device according to the present invention having the above-described configuration will be described in detail with reference to the flowchart shown in FIG. 3.

First, the CPU 22 waits for a control signal from the remote controller 20 in step 50 and the teletext mode is activated by a TV / TXT (teletext) mode setting button (not shown) of the remote controller 20. If not selected (NO in step 52), the CPU 22 proceeds to step 54 to control to perform the operation under the normal TV mode. In contrast, when the teletext mode is set in the remote controller 20 ('YES' in step 52), the CPU 22 displays the table of contents information of the program memory 28 to allow the viewer to select a necessary information item. In the area 28a, the data about the table of contents is controlled to be applied to the teletext image processing unit 34, and thus the table of contents signal processed by the teletext image processing unit 34 as the image signal R / G / B. Is displayed on the CRT apparatus ('7' in FIG. 1) through the teletext information output unit 36.

When the viewer selects a specific table of contents while the table of contents information is displayed on the screen, the CPU 22 controls the information code determining unit 32 in step 56 to prevent the information from being judged. The teletext image processing unit 34 bypasses the entire teletext data including the changed portion within the unit time output from the specific page memory. The teletext data is image-processed in units of pages (i.e., 1 frame screen) and output to the CRT apparatus through the teletext information output unit 36. Accordingly, the viewer can display desired character information on the CRT apparatus. It can be acquired.

In this state, the CPU 22 determines in step 58 whether the voice output of the teletext information is designated by the mode setting button 20a of the remote controller 20, and as a result, the voice output is not specified. In case of returning to the initial stage, if the audio output of the teletext information is designated, the process proceeds to step 60, in which the switching signal SW1 is applied to the information code determination unit 32, and the information code determination unit 32 is executed. Is activated, and a switching signal SW2 is applied to the switching element 38 to bring the switch element 38 into a connected state.

Subsequently, the information code determination unit 32 reads out the preceding teletext data TXT1 corresponding to the page selected by the viewer in step 60 from the corresponding page memory of the page memory unit 30 and the current teletext. The changed teletext information is determined by code comparison of the information (ie, the teletext information received within the unit time).

Upon completion of determination on a line basis or page basis for the change information, the information code judgment unit 32 causes the teletext image processing unit 34 to apply the entire teletext data including the data of the determined change portion. The teletext image processing section 34 processes the entire teletext data including the changed portion into a video signal and applies the same to the teletext information output section 36, thereby changing the image on the screen of the CRT apparatus. Teletext information including the portion is displayed. In addition, the information code determination unit 32 applies the preceding teletext information and the changed teletext information to the speech synthesis section 42 through the switching element 38.

Therefore, the voice synthesizer 42 stores the text / voice conversion unit code storage unit in which the voice conversion data is stored in a state consistent with the character code recorded in the character code area 28b of the program memory 28 in step 62. 40, the teletext information is synthesized into a voice signal and applied to the voice output unit 42. Here, the voice output section 42 processes the preceding teletext data and the changed portion in the preceding teletext data separately and applies them to the voice output section 44. FIG.

Accordingly, the voice output unit 44 designates and outputs the voice signal of the preceding teletext data to one voice output channel (e.g., R channel) in step 64 while the voice signal of the modified portion is different from the teletext data of the modified portion. One audio output channel (for example, L channel) is designated and output. That is, when the teletext data designated by the viewer is 'securities', for example, when the stock price of a specific listed company is changed from '10, 000 'to '10, 700', the voice output unit 44 Through the R channel, 'listed company name' and 'share price before change' are first outputted as audio, and then 'share price after change' is outputted with a certain time difference.

Therefore, the viewer can not only take desired text information through the screen of the CRT device, but also recognize the desired teletext information by voice information through the screen of the CRT device.

The procedure returns to the initial stage when the teletext mode is released by the remote controller 20 in step 66.

As described above, according to the teletext information audio output device according to the present invention, in response to a viewer's request, the entire teletext information or the teletext information of the changed portion within the unit time is displayed on the screen of the CRT apparatus, and the preceding is performed. Since the information and the changed information are reproduced through the audio output channel in time, the viewer provides an advantage of facilitating the acquisition of the teletext information.

Claims (4)

In a television capable of receiving and reproducing a teletext signal transmitted by being included in a composite video signal, A teletext signal processor 26 which provides the teletext signal extracted by the teletext data extractor 24 in parallel on a line basis and provides the same; A page memory section 30 having a plurality of page memories 30a-30n for storing the teletext signal in page units; A mode setting button 20a of the remote controller 20 for designating a voice output for the teletext signal; A CPU 22 for controlling a screen / voice output state of the teletext information according to whether the voice output mode of the teletext information is specified; An information code judging unit 32 for judging the changed portion from the preceding teletext information to execute the screen / voice output of the teletext information under the control of the CPU 22, And a voice processing means which is activated in the voice output mode and processes and outputs the teletext information as a voice signal. 2. The switching device 38 according to claim 1, wherein said audio processing means is activated by said CPU in said audio output mode to set a audio processing path of a determination result of said information code determination section, and a character code of said teletext data. And a speech / synthesis unit 42 for synthesizing the result of the determination from the information / code conversion unit 32 and the speech code based on the speech conversion code. And a voice output unit (44) for outputting a voice signal of the teletext information synthesized by the voice synthesizer (42). The method of claim 2, wherein the preceding teletext information output from the speech synthesis section 42 and the speech output section 44 and the teletext information changed within a unit time are output through mutually different speech output channels. Teletext information voice output device. The apparatus of claim 3, wherein the preceding teletext information and the teletext information changed within a unit time are outputted with a predetermined time difference.