KR101135956B1 - Video information display system through tv cable network - Google Patents

Video information display system through tv cable network Download PDF

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Publication number
KR101135956B1
KR101135956B1 KR1020100032858A KR20100032858A KR101135956B1 KR 101135956 B1 KR101135956 B1 KR 101135956B1 KR 1020100032858 A KR1020100032858 A KR 1020100032858A KR 20100032858 A KR20100032858 A KR 20100032858A KR 101135956 B1 KR101135956 B1 KR 101135956B1
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KR
South Korea
Prior art keywords
hd
signal
cable network
display system
tv
Prior art date
Application number
KR1020100032858A
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Korean (ko)
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KR20110113459A (en
Inventor
이홍식
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(주)한솔이십일
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Priority to KR1020100032858A priority Critical patent/KR101135956B1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/01Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0125Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006Details of the interface to the display terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/01Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/01Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0127Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
    • H04N7/013Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the incoming video signal comprising different parts having originally different frame rate, e.g. video and graphics
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00Aspects of display data processing
    • G09G2340/04Changes in size, position or resolution of an image
    • G09G2340/0442Handling or displaying different aspect ratios, or changing the aspect ratio
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/02Graphics controller able to handle multiple formats, e.g. input or output formats

Abstract

The present invention relates to an image information display system using a TV cable network. According to one aspect of the present invention, in the video information display system for transmitting the HD-level source multimedia information stored in the transmission server through the TV cable network in the building structure to be displayed on a plurality of digital display devices, the transmission from the transmission server A scaler for converting an HD source multimedia information signal into an HD-SDI standard signal; An HD encoder which receives an HD-SDI standard signal from a scaler, compresses and encodes the HD-SDI standard signal, and outputs a DVB-ASI standard transport stream (TS) signal; A VSB modulator for modulating the TS signal received from the HD encoder in an 8VSB manner; And an up-converter for converting a signal modulated by the 8VSB scheme into a channel frequency band suitable for cable network transmission. A video information display system using a TV cable network comprising a is proposed.

Description

Video information display system using TV cable network {VIDEO INFORMATION DISPLAY SYSTEM THROUGH TV CABLE NETWORK}

The present invention relates to a video information display system. Specifically, the present invention relates to a video information display system using a TV cable network that transmits HD-level source multimedia information stored in a transmission server through a TV cable network in a building structure to be displayed on a plurality of digital display devices.

The image information display system belonging to the technical field of the present invention provides public information such as airports, hospitals, subway stations, and hotels, shopping malls, companies, exhibition halls, amusement park facilities, etc. It is installed variously for the purpose.

In particular, a video information display system of a remote control method by a central server such as a transmission server is widely used. Figure 1 shows a schematic block diagram of a digital image information display system using an IP network in a remote control method by a conventional central server.

However, since the central control method using the IP network as shown in FIG. 1 requires the installation of a receiving PC terminal or a set-top box for each display device (monitor) in the building, it is not only cumbersome to construct the system, but also buffers when executing HD-quality video. Problems and network traffic problems are occurring. As a result, when receiving HD-quality video, a disconnection occurs due to buffering and traffic. In addition, when all IP devices are not connected to each display device in a building, it is required to establish a separate IP network or a backbone network. In addition, if there are many display devices, the system construction cost is high.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and to provide a video information display system using a TV cable network that is existing in the building while controlling the video information being displayed by the central transmission server.

In addition, according to one embodiment of the present invention, by transmitting the image information, such as guide, exhibition, advertising, etc. to a plurality of channels, the channel selection is made in each display device, instead of unilateral guidance, exhibition, advertising services, respectively An object of the present invention is to provide a video information display system using a TV cable network that can provide video information for a user's individual needs of operating a display device.

In order to achieve the above object, according to one aspect of the present invention, the image information display system for transmitting HD-level source multimedia information stored in the transmission server through the TV cable network in the building structure to be displayed on a plurality of digital display devices A scaler for converting the HD-level source multimedia information signal transmitted from the transmission server to HD-SDI standard signal; An HD encoder which receives an HD-SDI standard signal from a scaler, compresses and encodes the HD-SDI standard signal, and outputs a DVB-ASI standard transport stream (TS) signal; A VSB modulator for modulating the TS signal received from the HD encoder in an 8VSB manner; And an up-converter for converting a signal modulated by the 8VSB scheme into a channel frequency band suitable for cable network transmission. A video information display system using a TV cable network comprising a is proposed.
Preferably, according to another aspect, the image information display system further comprises a combiner for transmitting the channel frequency signal output from the up-converter and the external broadcast signals coming into the existing TV network to transmit through the cable network.
In this case, the HD source multimedia information stored in the transmission server may be guide information of various facilities, various exhibition information, or multimedia information of various advertisements or propaganda information. In addition, the external broadcast signal may be a public announcement network (MATV) including a terrestrial digital TV broadcast and satellite broadcast, a CATV network broadcast signal, or both.

Preferably, according to another aspect, the above-described HD encoder, VSB modulator and upconverter are integrated into one module.

delete

According to yet another aspect, a plurality of HD source multimedia information stored in the transmission server is simultaneously transmitted in real time, the scaler, HD encoder, VSB modulator and up-converter is a plurality of HD source in real time simultaneously A plurality is provided to correspond to each multimedia information signal. In addition, the combiner combines a plurality of channel frequency signals output from a plurality of up-converters and transmits them through a cable network, characterized in that the HD image information of the channel frequency selected in each of the digital display device is displayed.

Preferably, according to another aspect, the combiner combines multiple channel frequency signals and external broadcast signals coming into the existing TV network and transmits them through the cable network.

Although not explicitly mentioned as one preferred aspect of the present invention, it is apparent that embodiments according to various possible combinations of the above-mentioned technical features can be implemented.

According to the aspect of the present invention, by controlling the transmission of the displayed video information from the central transmission server, but by using a TV cable network that is built in the existing building, it is no need for a separate PC terminal or set-top box for each display device, This simplifies system construction. Also, the more display devices, the more effective the system construction cost.

In addition, serial transmission to the head-end system of the cable network, so that no buffering or disconnection shape occurs even when HD-quality video transmission.

In addition, the existing TV cable network in the building can be used to transmit images in real time to each section of the building.

In addition, according to another embodiment of the present invention, by transmitting the video information, such as guide, exhibition, advertisement, etc. to a plurality of channels, it is possible to select the channel in each display device, thereby unilateral in the central server It is possible to provide image information that meets the individual needs of users who operate each display device, not guide, exhibition, or advertisement services.

It is apparent that various effects not directly referred to in accordance with various embodiments of the present invention can be derived by those of ordinary skill in the art from the various configurations according to the embodiments of the present invention.

1 is a schematic block diagram of a digital image information display system using a conventional IP network.
2 is a schematic structural block diagram of a video information display system using a TV cable network according to an embodiment of the present invention.
3 is a schematic structural block diagram of a video information display system using a TV cable network according to another embodiment of the present invention.
4 is a schematic block diagram of a video information display system using a TV cable network according to another embodiment of the present invention.

Embodiments of the present invention for achieving the above object are described with reference to the accompanying drawings. In describing the embodiments, the same reference numerals refer to the same configuration, and additional descriptions that may overlap or limit the meaning of the invention may be omitted in describing the embodiments of the present invention.

2 is a schematic structural block diagram of a video information display system using a TV cable network according to an embodiment of the present invention.

Referring to one embodiment of the present invention with reference to Figure 2, the present invention transmits the HD-level source multimedia information stored in the transmission server 1 through the TV cable network in the building structure in a plurality of digital display device (3) An image information display system to be displayed. In the present invention, the building structure is a construction structure that people use and use, such as a ground building or underground building, for example, public facilities such as airports, hospitals, subway history and hotels, shopping malls, companies, exhibition halls, amusement It refers to a building structure or facility where people such as park facilities frequently visit. The scope of the present invention is not limited to the illustrated building structure, but may be any building structure that people can use and use.

As shown in FIG. 2, HD source multimedia information to be transmitted is stored in the transmission server 1. The transmission server 1 is a computer server, and the stored HD class multimedia information can be displayed on the monitor of the computer by the graphics card. The HD source multimedia information of the transmission server 1 is stored as digital data, and is digital video information or digital audio information. In the present invention, the image information or the image signal may be video information (video signal) or information (signal) including video and audio. Therefore, in the present invention, image information or image signal should be interpreted as video information (video signal) or information (signal) including video and audio in view of the contents before and after.

HD-class source multimedia information stored in the transmission server 1 is transmitted to the outside by the DVI or HDMI method, preferably by the DVI method. Alternatively, the transmission may be performed in a manner according to another interface between the digital imaging devices. A digital audio signal or an HD composite video signal may also be transmitted from the delivery server 1.

HD source multimedia information stored in the transmission server 1 is guide information of various facilities, or various exhibition information, or multimedia information such as various advertisements, promotions, and propaganda information.

As shown in FIG. 2, the HD-level source multimedia information transmitted from the transmission server 1 is transmitted to each end display device 3 through the TV cable network in the building structure. The serial transmission of the signal takes place up to the headend system. By serial transmission to the head-end system of the cable network, even HD-quality video does not have a problem of buffering or traffic and no interruption. The digital display device 3 of FIG. 2 is for example a digital TV.

2, a system according to an embodiment of the present invention includes a scaler 10, an HD encoder 30, a VSB modulator 50, and an upconverter 70.

In detail, the scaler 10 converts the HD source multimedia information signal transmitted from the transmission server 1 into an HD-SDI standard signal. For example, the scaler 10 receives the HD-level source video signal transmitted from the transmission server 1 by the DVI method and converts it into a high-definition-serial digital interface (HD-SDI) standard signal. When transmitted in the HDMI method is converted to HD-SDI standard signal and transmitted to the HD encoder (30).

Referring to FIG. 2, the HD encoder 30 receives an HD-SDI standard signal, which is an uncompressed digital signal, from the scaler 10, compresses and encodes the digital video broadcast asynchronous serial transmission (DVB). -ASI output as a transport stream (TS) signal. The compression of the HD-SDI standard signal is made according to the MPEG 2 or H.264 standard, preferably according to the MPEG 2. The compression-coded transport stream signal is transmitted to the VSB modulator 50 for modulation into a signal suitable for digital broadcasting.

Also, referring to FIG. 2, the VSB modulator 50 modulates the TS signal received from the HD encoder 30 in the 8VSB manner. The modulation in 8VSB method is for outputting ATSC standard signal suitable for digital broadcasting. The digitally modulated signal at the VSB modulator 50 is sent to the upconverter 70.

The upconverter 70 of FIG. 2 converts a signal modulated by the 8VSB scheme into a channel frequency band suitable for cable network transmission.

Preferably, according to another embodiment, as shown in FIG. 2, the HD encoder 30, the VSB modulator 50 and the upconverter 70 are integrated into one module 100.

3 is a schematic structural block diagram of a video information display system using a TV cable network according to another embodiment of the present invention.

Referring to FIG. 3, the image information display system according to another embodiment of the present invention combines the channel frequency signal output from the up-converter 70 and the external broadcast signals coming into the existing TV network to transmit them through a cable network. It further comprises a coupler (90).

The external broadcast signals mean a public announcement network (MATV) or CATV network broadcast signal, and the MATV network broadcast signal includes terrestrial digital TV broadcast and satellite broadcast.

4 is a schematic block diagram of a video information display system using a TV cable network according to another embodiment of the present invention.

Referring to FIG. 4, according to another embodiment of the present invention, a plurality of HD level source multimedia information stored in a transmission server (not shown) are simultaneously transmitted in real time. Although not shown, since the transmission server is multitasking, it is possible to transmit HD-level source multimedia information to a plurality of scalers 10 and 10 'at the same time in one transmission server 1 in real time. Although not shown, a plurality of transmission servers 1 may be provided to transmit HD-level source images to the scalers 10 and 10 'from each transmission server 1.

Referring to FIG. 4, the scalers 10 and 10 ', the HD encoders 30 and 30', the VSB modulators 50 and 50 ', and the upconverters 70 and 70' are simultaneously transmitted in real time. A plurality is provided to correspond to each multimedia information signal. Accordingly, the video signal is serially transmitted during each of the scalers 10 and 10 ', the HD encoders 30 and 30', the VSB modulators 50 and 50 'and the upconverters 70 and 70'. .

In addition, referring to FIG. 4, the image information display system further includes a combiner 90 that combines multiple channel frequency signals output from the plurality of up-converters 70 and 70 ′ and transmits them through a cable network.

Among the multiple channel frequency signals using the multiple HD source multimedia information as a source, the HD image information of the channel frequency selected by each terminal in the cable network, that is, each of the digital display apparatuses 3 is displayed.

Further, as shown in Fig. 4, a remote controller 7 is wirelessly connected to each digital display device 3, for example, a digital TV, which is an end of a TV cable network. The remote control 7 allows a user to select among the HD-level source images provided by the transmission server 1 from the digital display device 3 at the end of the cable network, such as a digital TV to the remote control 7, for example, a guide or an exhibition or an advertisement. You will be able to select and watch videos such as, publicity, and propaganda.

Accordingly, by selecting a video, such as a guide, an exhibition, an advertisement, etc., provided in one direction in the remote control image information display system by a conventional central server, at the end of the cable network, it is oriented to bidirectionality according to the user's needs.

Preferably, although not shown in FIG. 4, according to another embodiment of the present invention, the combiner 90 combines a plurality of channel frequency signals with external broadcast signals coming into a conventional TV network and transmits them through a cable network. .

In the foregoing, the present invention has been described with reference to the preferred embodiments thereof with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings and the foregoing embodiments are provided by way of illustration for purposes of clarity of understanding to those skilled in the art to which the present invention pertains. It is, therefore, to be understood that the various embodiments of the present invention may be embodied in various forms without departing from the essential characteristics thereof, and the above-described embodiments are to be considered as illustrative and not restrictive. Accordingly, the scope of the present invention should be construed in accordance with the invention as set forth in the appended claims rather than the foregoing embodiments, and various changes, alternatives, and equivalents by those skilled in the art may be made by the inventions It is obvious that it is included in the range of.

1: Transmission server 3: Digital display device
5: PC terminal or set-top box 7: Remote control
10, 10 ': scaler 30, 30': HD encoder
50, 50 ': VSB modulator 70, 70': upconverter
90: combiner

Claims (5)

  1. In the video information display system for transmitting the HD source multimedia information stored in the transmission server through the TV cable network in the building structure to be displayed on a plurality of digital display devices,
    A scaler for converting the HD level source multimedia information signal transmitted from the transmission server into an HD-SDI standard signal;
    An HD encoder which receives the HD-SDI standard signal from the scaler, compresses and encodes the HD-SDI standard signal, and outputs a DVB-ASI standard transport stream (TS) signal;
    A VSB modulator for modulating the TS signal received from the HD encoder in an 8VSB manner;
    An up-converter for converting the 8VSB modulated signal into a channel frequency band suitable for cable network transmission; And
    A combiner for combining the channel frequency signal output from the up-converter and the external broadcast signals coming into the existing TV network and transmitting them through a cable network; , ≪ / RTI >
    The HD source multimedia information stored in the transmission server is guide information of various facilities, various exhibition information, or multimedia information of various advertisements or propaganda information.
    The external broadcast signal is a public announcement network (MATV) including terrestrial digital TV broadcast and satellite broadcast, CATV network broadcast signal or both broadcast signals,
    Image information display system using TV cable network.
  2. The method according to claim 1,
    And the HD encoder, the VSB modulator, and the upconverter are integrated into one module.
  3. delete
  4. The method according to claim 1,
    Multiple HD level multimedia information stored in the transmission server is simultaneously transmitted in real time,
    A plurality of scalers, HD encoders, VSB modulators and up-converters are provided to correspond to each of a plurality of HD-level source multimedia information signals simultaneously transmitted in real time.
    The combiner combines a plurality of channel frequency signals output from the plurality of upconverters and transmits them through a cable network.
    Image information display system using a TV cable network, characterized in that for displaying the HD video information of the selected channel frequency in each of the digital display device.
  5. The method of claim 4,
    The combiner combines a plurality of channel frequency signals and the external broadcast signals coming into the existing TV network and transmits through the cable network image information display system using a TV cable network.
KR1020100032858A 2010-04-09 2010-04-09 Video information display system through tv cable network KR101135956B1 (en)

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KR101440260B1 (en) * 2014-03-31 2014-09-17 (주) 넥스트칩 Method and apparatus for trasmitting and receiving video signal
KR20190097791A (en) 2018-02-13 2019-08-21 나시스 주식회사 Apparatus and method for managing advertisement providing additional ad
KR20200040721A (en) 2020-04-03 2020-04-20 나시스 주식회사 Apparatus for managing advertisement providing additional ad

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100418385B1 (en) 2001-01-27 2004-02-11 (주)오케이사이버 Method and apparatus for news service using internet
US20080303940A1 (en) * 2007-06-08 2008-12-11 Baker J Mateo Process for digitizing video over analog component video cables
KR20090077635A (en) * 2008-01-11 2009-07-15 (주)호서텔레콤 An equipment for relaying and analog converting of terrestrial digital broadcasting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100418385B1 (en) 2001-01-27 2004-02-11 (주)오케이사이버 Method and apparatus for news service using internet
US20080303940A1 (en) * 2007-06-08 2008-12-11 Baker J Mateo Process for digitizing video over analog component video cables
KR20090077635A (en) * 2008-01-11 2009-07-15 (주)호서텔레콤 An equipment for relaying and analog converting of terrestrial digital broadcasting

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