KR100236385B1 - Receiving system of information selection type multi-broadcasting - Google Patents

Abstract

The present invention transmits the selective broadcast information so that the information provider can select and receive the information, and to the receiving system of the information selective broadcast system that can select and receive the information of the region or field desired by the information user, such as viewers or listeners It is about. In general, the road traffic situation is provided to information users such as viewers or listeners, but it is not possible to select and use the traffic information of the region where the information users want, but all information users use the one-sided information provided by the broadcaster. Had no choice but to use. According to the present invention, a broadcast information service provider uses a plurality of video and data input devices to provide information users such as drivers or viewers with traffic conditions on each road, stock price information on the stock market, sports conditions, weather in each region, news, and other regions. Alternatively, it provides video and audio information on the field, and the information user can select and watch or listen to specific areas such as specific roads, regions, and sports by themselves. A receiving system for information-selective multicasting comprising a channel selector 300, a playback processor 400, a screen processor 500, a voice processor 600, and a text processor 700 capable of receiving the above information. Suggesting.

Description

Receiving System of Information Selective Multicasting

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information-selective broadcasting system. In particular, a broadcast information service provider uses a plurality of video and data input devices to provide information users such as drivers or viewers with traffic conditions on each road, stock price information on stock markets, sports conditions, and regions. To provide video and audio information about the weather, news, and other areas or areas of the country, and users can select and watch or listen to specific areas such as specific roads, areas, and sports that they need The reception system in selective multicasting.

In general, a method of transmitting and receiving information in a specific field includes a method of using video and audio through a specific channel of a TV, a method of using voice information through a radio, and a method of using a character using a separate text data input device. have. However, in all the above methods, the information user was a unidirectional one-way transmission / reception system using information provided by the information provider unilaterally by interpreting or processing the information provided using the TV, radio, and a separate receiver. Of course, some interactive information is provided in cable TV (CATV), but this was a system that can be provided only in a fixed place such as a building. In addition, recently, a broadcasting system capable of two-way communication has been developed, but it is difficult to accommodate a large number of users and has a large cost burden.

1 is a schematic diagram illustrating a conventional general TV broadcasting system. A plurality of screens corresponding to the input unit 10 having a plurality of input devices 1 to n for inputting images and data, and the input devices 1 to n which receive and display the input of the respective input devices ( A screen processing unit 20 having 1 to n, a screen selection unit 30 for selecting one screen by receiving a selection signal m from the outside to select only one screen among the n screens; A transmission system composed of a screen display 40 for displaying the selected screen m, a transmitting antenna 50 for transmitting the selected screen, a receiving antenna 60 of the receiving side for receiving the sending screen m, and a general It consists of a receiving system composed of a TV receiver (70).

The information providing method by the conventional transmission and reception system as described above has a problem in that the unilateral information provision of the transmitting side should be provided as it is even if the information is not necessary to the information user without any choice on the receiving side. That is, since the information user cannot select and receive only the necessary information from the information provided, for example, a motor vehicle driver who is a traffic information user uses traffic broadcast provided through a TV or radio to play a war in Seoul. Even if you want to use the road with smooth communication, if the traffic information being broadcasted is not the traffic condition of Gyeongbu Expressway or the corresponding national road but the traffic condition of Gyeongchun National Road, the driver has no way to receive the traffic information for the required road. there was.

The present invention has been made to solve the problem that the user of the conventional broadcast system can not select the specific information to view on the screen or hear the voice,

An object of the present invention is to provide a separate processing device for each (n) screens delivered to the information collection center through a plurality of image and data input device in order to enable the information user to select or listen to the required information Additional information and additional information such as classification information (information classification, selection number, etc.) for information classification are added on each screen, and a voice information code to be voiced in a VI (Vertical Interval) between fields. And encoding information such as an identification code for detecting information and a character multiple code to be characterized, and then frame synchronization (gen lock) each screen, and sequentially multiplexing from 1 to n times to scrambling ( It transmits a scrambling broadcast signal to a separate transmission system and descrambles the signals received through the TV type information selective reception system of the present invention. Receiving system in an information-selective multi-broadcasting system that allows the user to recognize the desired information in real time by selecting only x pieces of information inputted with the identification code of the desired information to be displayed after being crambling. To provide.

It is still another object of the present invention to provide a voice and text type service in an information-selective broadcasting system that can be selected and received by an information user. The present invention provides an information selective multi-broadcast reception system capable of receiving information-selective multi-broadcasting using information (V; Vertical Interval).

1 is a block diagram of a transmission and reception system of a general TV broadcast

2 is an embodiment of a transmission system applied to the information-selective multicasting reception system of the present invention.

Figure 3 is another embodiment of a transmission system applied to the information-selective multi-broadcast reception system of the present invention

4 is a block diagram of an information-selective multicast reception system according to the present invention.

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

10: input unit 20: screen processing unit

30: screen selection unit 40: screen display unit

50: transmit antenna 60: receive antenna

70: TV receiver 100: information generator

100a: display unit information generation unit 100b, 100c: encoding information generation unit

110: second screen processing unit 120: third screen processing unit

130: frame synchronization signal generator 140: multiplex signal generator

150: multiplexer 160,250: transmission screen processing unit

170: scrambler 200: existing broadcast screen input unit

210: existing broadcast screen synchronization processing unit 220: encoding information synchronization processing unit

230: synchronization processing unit 240: adder

300: channel selector 400: playback processing unit

410: descrambler 420: identification code selector

430: Video memory 440: Signal separator

500: screen playback unit 600: voice playback unit

700: character playback unit

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in order to assist the understanding of the reception system of the present invention, an information selective multicast transmission system applied to the reception system of the present invention will be briefly described.

2 is a block diagram of an embodiment of a transmission system applied to a reception system of information-selective multicasting according to the present invention.

The same configuration as that of FIG. 1 according to the related art described above will be described with the same reference numerals. An input unit 10 including a plurality of input devices 1 to n for inputting images and data, and a number of screen processors corresponding to the input devices 1 to n for receiving and processing data such as images of the input unit; A screen processing unit 20 composed of (1 to n) and a screen additional information generator (1 to 1) corresponding to the input devices (1 to n) and generating screen additional information such as additional information and classification information to be added on the screen; n) the screen part input into the part VI (Vertical Interval) between the information generation unit 100a and the field, and a voice code information code to be voiced through a separate receiver, an identification code for information detection, and a character multiple code to be coded. The screen unit corresponds to the information generator 100 comprising the encoded information generator 100b including the encoded information generators 1 to n for generating encoded information such as the above and the screen processors 1 to n described above. Output signals of the information generators 1 to n and the encoded information generators 1 to n, and the screen described above. Receiving the output signals of the output devices 1 to n, and adding screen additional information such as additional information and classification information generated by the above screen additional information generators 1 to n on each screen, the encoding information generator 1 a second screen processing unit (110) comprising a plurality of screens and encoding processors (1 to n) for inserting encoded information such as speech information code, identification code, character multiple code, etc. encoded by n) into field-to-field VIs; ) And a synchronization processor (1 to n) for performing frame synchronization (gen lock) on the n signals processed by the second screen processing unit 110 by the screen synchronization signals supplied from the frame synchronization signal generator 130. The third screen processing unit 120, the output signal of the third screen processing unit 120 and the signal from the multiplex signal generator 140 is received sequentially the n signals of the third screen processing unit 120 Multiplexing and outputting screen processing information to the transmission screen processing unit 160 Information type consisting of the transmission device 150, a scrambler 170 for inserting scrambled information into the output signal of the transmission screen processing unit 160, and the transmission antenna 50 for transmitting the scrambled signal. Multicast transmission system.

In the information-selective multicasting transmission system according to the present invention, the first input unit 10 and the screen processing unit 20 obtain n screens from the information collection center by using an image and data input device. Same as the method. In the case of screen broadcasting, the prior art method selects only a specific screen (screen m) out of n screens as shown in FIG. Is suitable for each screen by adding screen information such as additional information to be added to the corresponding screen to be generated by the information generating unit 100 on the input n screens and classification information (selection number, information classification, etc.) for distinguishing the information. A voice information information coded at a location, which needs to be reproduced by voice at the same time, and an identification code coded to classify information for detection of the screen, and a character multiple code to be coded. Enter the information into the VI between fields that are hidden on the screen and are not visible. The n screens thus processed are frame synchronized using a screen synchronization signal provided from the frame synchronization signal generator 130. Synchronized n screens are sequentially k frames per second from screen 1 to screen n using a multiplexer 150 (TV frame transmission frequency is generally k = 30, that is, 30 frames / sec). Multiplex at intervals. Through this process, k screens are sequentially multiplexed from 1 to n times per second, and the process is repeated from the screen of the input device 1 at intervals of n / k seconds.

In order to prevent a noise-type image from being reproduced on a general TV screen, the output screen information is scrambled as necessary and then transmitted in the form of a TV broadcast. Through this process, the information-selective multicast transmission system according to the present invention can continuously transmit all the situation screens classified as n in real time.

Hereinafter, another embodiment of a transmission system applied to the reception system of the information-selective multicasting of the present invention will be described. One embodiment of the information-selective multicasting transmission system described above has to secure a separate TV channel or a frequency band of a broadcast to implement such an invention. Multicast information can be transmitted.

That is, the information to be voiced is converted into a voice information code, the classification information is encoded into an identification code for information detection, and the information to be converted is converted into a character multiplex signal and inserted into a partial VI between fields of a conventional TV broadcast. When transmitting, the information user can obtain the information in the form of a voice and a text multiple or the respective forms through the receiver according to the present invention.

FIG. 3 is a block diagram of another embodiment of a system for transmitting voice and text multiplexing over an existing TV broadcasting channel applied to the system for receiving information-selective multicasting according to the present invention.

Corresponding to the input unit 10 consisting of a plurality of input devices (1 ~ n), the input device (1 ~ n) of the input unit 10, and receives the output signal of the input device (1 ~ n) VI of the existing broadcast The encoding information generating unit 100c comprising encoding information generators 1 to n for generating encoding information such as a voice information code and an identification code to be input to (Vertical Interval) and a character multiple code, and the screen of the existing TV broadcast Receives a synchronization signal from the frame synchronization signal generator 130 to the existing broadcast screen input unit 200, the output signal of the existing broadcast screen input unit 200 and the output signal of the encoded information generator (1 ~ n) A synchronization processing unit 230 including an existing broadcasting screen synchronization processing unit 210 for synchronizing an existing broadcasting screen and encoding information with the same synchronization signal and an encoding information synchronization processing unit 220 including a plurality of encoding information synchronization processors 1 to n. N of the encoding information synchronization processing unit 220 according to the synchronization signal described above. Multiplexing the output signal of the encoded information synchronization processor 220 by using the multiplex signal generator 140 for generating signals for sequentially multiplexing the signals and the output signal of the multiplex signal generator 140 An adder 240 and an adder 240 for inserting the output signal of the multiplexer 150 into the VI of the synchronized existing broadcast screen signal of the existing broadcast screen synchronization processor 210. Information transmission type multi-casting transmission system comprising a transmission screen processing unit 250 for transmitting a signal to the receiver and a transmission antenna 50 for transmitting a signal output from the transmission screen processor 250.

The multi-casting transmission system first encodes each piece of information classified into n pieces in the same manner as in FIG. 2 into a speech information code for reproducing speech, and encodes the classification information into an identification code to detect the information. In the case of text multiplexing, the information to be converted is also converted to a text multiplexing code. After synchronizing the encoded information with the existing broadcast screen, the multiplexed encoded information is sequentially multiplexed by TV screen transmission frequency interval of the existing normal broadcasting one by one screen using a multiplexer to perform regular broadcasting. Repeat the process of inserting the VI. By doing so, the information service provider can provide information to the users in the form of voice and text or their respective forms using existing TV broadcasting channels without installing a separate TV broadcasting channel.

Hereinafter, a detailed description will be given of a reception system of the present invention, in which an information user can selectively receive information-selective multicasting information transmitted from the transmission system, with reference to the accompanying drawings.

4 is a block diagram schematically illustrating a system for receiving information-selective multicasting according to the present invention.

A receiving antenna 60 receiving a broadcast signal carrying information-selective multicasting information transmitted from the transmission system, a channel selector 300 for selecting a specific channel capable of selecting information, and releasing the scrambling signal contained in the multicasting information A descrambler 410, an identification code selector 420 for sequentially selecting one or x of the descrambled n input signals, a video memory 430 for storing the selected information, and an output signal of the video memory. Receive processing unit 400 consisting of a signal separator 440 for separating the voice information information code and the character multiple code among the video information signal and the encoded information input to the VI, the signal separator 440 of the reproduction processing unit 400 Among the output signals, the screen reproducing unit 500 sequentially reproduces the video information signal on the screen at intervals of several seconds, the voice reproducing unit 600 reproducing the voice information information code by voice, and the text multiple code. To a data receiving system of the optional multiple broadcast where each character reproducing section 700 for reproducing a character.

First, the information transmitted by the transmission system of FIG. 2 is received by the reception antenna 60 to select an information-selective multicast channel, and then descrambling to restore the scrambled screen to its original state. In order to observe the restored screen, the user selects the information by using a method of detecting an identification code corresponding to the classification information (selection number, information classification, etc.) previously inputted in the form of numbers or voices, and then video. Stored in the memory 430. After separating the video information signal and the audio information code and the character multiple code input by encoding the video information signal and the VI stored in the video memory using the signal separator 440, the separated video information signal is divided into n / k seconds or more for several seconds. Until the next screen is selected, it is played back as a TV picture in the form of a still picture, and as a separate voice information code, it is played as a synthesized voice using a built-in program to provide information not only on the screen but also on the voice. Add a device that prevents the risk of an accident that may occur by the user performing a specific task such as a driver while watching the monitor screen during the operation. In addition, the separated character multiple codes may be reproduced as character screens using a character multiplexing device if necessary. In this process, by selecting the corresponding information by using the identification code detection method, the information stored in the video memory is separated by the signal separator 440, and the separated image information is reproduced on the screen, and the voice information information code is voiced. By continuously repeating a series of processes such as reproducing in a form of several seconds, the user can continuously obtain desired information.

In addition, by using a simple program built into the receiver to sequentially select the x identification codes, the user can obtain information about the desired x points sequentially by repeating every few seconds. Thereafter, the method of playing the image on the screen is the same as that of the existing TV screen.

In addition, as shown in FIG. 3, when voice and text multiplexing are performed through an existing TV broadcasting channel, video information is ignored in the information separated by the signal separator 440 in FIG. 4 and encoded in a partial VI between fields. By using the inputted voice information code, the program embedded in the receiver can be reproduced in the form of synthesized voice, thereby providing information to the user in the form of voice. In addition, when the character multiple code is input to the VI, the information can be provided in the form of text through the receiver to which the text multiple device is added, thereby providing information to the users in the form of voice and text or their respective forms.

As described above, the present invention provides a broadcast information service provider to information users, such as drivers or viewers, by using a plurality of video and data input devices, traffic conditions of each road, stock price information of stock markets, sports conditions, weather in each region, and news. , And other information or video information for various regions or fields, and information users can select and watch or listen to specific areas such as specific roads, areas, and sports that they need. In addition, by providing a reception system in a text multicasting system, an information user can select information he / she wants to accurately view and hear the situation through real-time video and audio. In addition, the broadcasting can use most existing broadcasting facilities, and simultaneously transmits information of various regions and all of you such as road traffic information, stock market stock information, sports situation, weather information, news, etc. It can be applied to all cases of selecting and obtaining information, and it is possible to receive selective information more accurately and quickly at a low cost because the production cost of the receiving system of the present invention used by the information user is low. .

Claims (6)

In the information selection multi-broadcasting system comprising a transmission system and a reception system for transmitting the multi-broadcast information so that the information user can select and receive the necessary information at the receiving side, A reception antenna 60 for receiving a broadcast signal carrying information-selective multicasting information transmitted from the transmission system; Channel selector 300 for selecting a specific channel capable of information selection, A descrambler 410 for releasing the scrambling signal contained in the multi-broadcast information, and an identification code selector 420 for sequentially selecting one or x of n input signals descrambled by the descrambler 410. ), Video memory 430 for storing the signal selected by the identification code selector 420, A signal separator 440 for separating a voice information information code and a character multiple code among video information signals and encoded information input to a VI (Vertical Interval) from the signal of the video memory 430; A screen reproducing unit 500 which sequentially reproduces image information signals among the signals output from the signal separator 440 on the screen at intervals of several seconds; An information selective multi-broadcast reception system, characterized in that it comprises a voice reproducing unit 600 for reproducing a voice information information code, and a character reproducing unit 700 for reproducing a text multi-code as necessary. The identification code selector 420 of claim 1, wherein the identification code selector 420 corresponds to classification information (selection number, information classification, etc.) previously input by the user in the form of numbers or voices to be observed in the restored screen. Selecting a corresponding screen using a method for detecting a code, and then outputting a signal to be stored in the video memory (430). According to claim 2, The screen reproduction unit 500 reproduces the video information signal separated by the signal separator 440 in the form of a still picture in the form of a still picture for at least n / k seconds several seconds before the next information is selected. In addition, the voice reproducing unit 600 reproduces in the form of synthesized voice using a program embedded with a voice code separated by the signal separator 440, and the character reproducing unit 700, if necessary An information-selective multi-broadcast reception system, characterized in that for reproducing a character multiple code in the form of characters using a playback device. 4. The method of claim 3, wherein the information stored in the video memory 430 is stored in the video memory 430 using the signal separator 440 from the process of selecting the corresponding screen using the method of detecting the identification code. After separating the voice information code and the text multiple code input into the Interval), the video information signal is reproduced on the screen, the voice information code is reproduced in the form of voice, and if necessary, the sequence of the text multi code is reproduced as text. Receiving system of the information-selective multi-broadcasting characterized in that it is repeated repeatedly at intervals of several seconds. The speaker of claim 1, wherein the image information is ignored in the information separated by the signal separator 440, and the speaker is a voice information code among the information encoded in the VI between the hidden fields. By reproducing in the form of synthesized voice through the user, the user can receive the information in the form of voice, and if necessary with the character multiple code, the character can be reproduced and received as text on the screen by using the character multiplexing device. Receiving system of information-selective multicasting, characterized in that. The system of claim 5, wherein the voice reproduction and the character reproduction can be processed in parallel or received in a separate form.

Images