KR101685157B1 - System and method associated real-time scheduling information of pp - Google Patents

System and method associated real-time scheduling information of pp Download PDF

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Publication number
KR101685157B1
KR101685157B1 KR1020150152609A KR20150152609A KR101685157B1 KR 101685157 B1 KR101685157 B1 KR 101685157B1 KR 1020150152609 A KR1020150152609 A KR 1020150152609A KR 20150152609 A KR20150152609 A KR 20150152609A KR 101685157 B1 KR101685157 B1 KR 101685157B1
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South Korea
Prior art keywords
information
channel
real
transport stream
program
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KR1020150152609A
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Korean (ko)
Inventor
김광태
홍석구
김태우
이필세
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주식회사 에어코드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
    • H04H60/72—Systems specially adapted for using specific information, e.g. geographical or meteorological information using electronic programme guides [EPG]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/02—Arrangements for relaying broadcast information
    • H04H20/08—Arrangements for relaying broadcast information among terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
    • H04N21/23109—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion by placing content in organized collections, e.g. EPG data repository
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42208—Display device provided on the remote control
    • H04N21/42209—Display device provided on the remote control for displaying non-command information, e.g. electronic program guide [EPG], e-mail, messages or a second television channel

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Disclosed is a system for interlinking program schedule information of program providers (PP) in real time. The system includes: a schedule encoder system which receives program schedule information per second from a broadcasting schedule operation system including an automatic program controller (APC) in real time, and generates and encodes signaling information for disability aid services of each channel based on the real-time program schedule information; a video encoder which compresses a video signal and an audio signal of each channel, which are received from the broadcasting schedule operation system including the APC, to transport streams; a remux which generates a channel signal by combining the signaling information, the transport stream of the video signal, the transport stream of the audio signal of each channel; and a digital media center which extracts the signaling information by decoding the channel signal, adds the extracted channel signal to a program elements information, and multiplexes and transmits the program elements information with the signaling information, the transport steam of the video signal, and the transport stream of the audio signal to a subscriber terminal.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system and method for real-

The present invention relates to a PP real-time information interworking system and a method thereof.

As digital broadcasting becomes more common, supplementary broadcasting services for the hearing-impaired or visually impaired are emerging. For example, caption broadcasting for the hearing impaired and screen commentary broadcast for the visually impaired are examples.

However, currently, there is a system structure in which information for the assistive broadcasting service for the disabled should be generated together with the broadcasting program.

Therefore, at present, there is a problem that the start time and end time of the program information are incorrect, so that the failure auxiliary information can not be accurately inserted and deleted.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a PP real-time scheduling information interworking system and method capable of generating signaling information for a disability assisting service synchronized with real-time scheduling information.

According to one aspect of the present invention, a PP real-time information interworking system receives real-time scheduling information in seconds from a broadcast scheduling operating system including an Automatic Program Control (APC) A scheduler encoder system for generating and encoding signaling information for the Auxiliary Assistance Service for each channel, a video encoder for generating a video signal and an audio signal for each channel received from the broadcast scheduling system including the APC, A multiplexer for multiplexing the transport stream of the video signal and the transport stream of the audio signal to generate a channel signal, and decoding the channel signal to extract the signaling information and extracting the signaling information Program configuration And a digital media center for multiplexing the program configuration information, the transport stream of the video signal, and the transport stream of the audio signal, and transmitting the transport stream to the subscriber terminal.

The schedule encoder system comprising:

An electronic program guide (EPG) editor for adding and editing caption information and screen commentary information for the disability assistance service in the real-time programming information, receiving the real-time programming information and delivering it to the electronic program guide (EPG) editor, An electronic program guide (EPG) management unit for receiving subtitle information and screen commentary information for the disabled auxiliary service added and edited from an electronic program guide (EPG) editing unit, and an electronic program guide (EPG) And a Program Map Table (PMT) encoder that receives the subtitle information and screen interpretation information for the Auxiliary Services and generates signaling information for the Auxiliary Services.

The program map table (PMT)

A program map table (PMT) and an event information table (EIT) in the form of a transport stream are generated and encoded for each channel on the basis of the real-time programming information and the caption information and screen interpretation information for the disability assistance service, .

The above-

Each of the video transport streams, the audio transport stream, the program map table (PMT) transport stream, and the event information table (EIT) stream may be combined for each channel, and channel signals may be generated and transmitted to the transport network.

The electronic program guide (EPG)

And can receive real-time program information including advertisement program information from a broadcast programming operation system including the APC.

The electronic program guide (EPG)

It is possible to receive real-time channel combination information in XML (eXtensible Markup Language) format using at least one of FTP (File Transfer Protocol), HTTP (HyperText Transfer Protocol) and TCP (Transmission Control Protocol).

The digital media center comprises:

(PMT) and an event information table (EIT) for each channel by decoding each channel signal received from the REMUX, a program map table (PMT) for each channel input from the schedule decoder, A PSIP generator for generating Program and System Information Protocol (PSIP) information including an event information table (EIT), and a multiplexer for multiplexing video signals and audio signals decoded by the schedule decoder and PSIP generated by the PSIP generator, And a multiplexer for transmitting the program to the subscriber terminal.

A plurality of integrated receiver decoders (IRDs), which are provided for each of a plurality of channels and each receive channel signals corresponding to the channels through the transmission network from the REMUXs and output channel signals for respective channels to the schedule decoder, Decoder).

The digital media center comprises:

A satellite broadcasting provider, a cable broadcasting provider, and an IPTV provider, respectively.

According to another aspect of the present invention, there is provided a PP real-time scheduling information interworking method, including a scheduling encoder system, a video encoder, and a PP real-time scheduling system including a remapping system, which is interworked with a broadcast scheduling system including an Automatic Program Control (APC) A method for interworking PP real-time scheduling information of an information interworking system, the method comprising: receiving schedule real-time scheduling information from a broadcast scheduling system including the APC; Generating and encoding signaling information for the Auxiliary Service on a channel-by-channel basis, and transmitting the video signal and the audio signal for each channel received from the broadcasting system, including the Automatic Program Distribution System (APC) Each compressed stream Generating a channel signal by combining the signaling information, the transport stream of the video signal, and the transport stream of the audio signal, and transmitting the channel signal to the transport network.

Wherein the encoding step comprises:

Adding and editing caption information and screen commentary information for the disability assistance service to the real-time program information, and adding and editing caption information and screen commentary information for the disability assistance service, And generating and encoding signaling information for the auxiliary service.

Wherein the encoding step comprises:

(PMT) and an event information table (EIT) in the form of a transport stream for each channel on the basis of the real-time programming information and the caption information and screen interpretation information for the disability assistance service can do.

The transmitting step includes:

Generating respective channel signals by synthesizing respective video transport streams, audio transport streams, program map table (PMT) transport stream, and event information table (EIT) streams for each channel, To the platform provider's digital media center.

According to another aspect of the present invention, there is provided a PP real-time coordination information interworking method, including a scheduling encoder system, a video encoder, a remix and a digital media center linked with a broadcast programming operation system including an Automatic Program Control (APC) A method for interworking with PP real-time scheduling information in a PP real-time scheduling information interworking system, the method comprising the steps of: the digital media center decoding signaling signals from the re-mux to extract signaling information for a failure- The center generates program-specific program configuration information including the signaling information, and the digital media center generates a broadcast program in which a decoded video signal, an audio signal, and the program configuration information are multiplexed from the respective channel signals To the subscriber terminal And a step of transmitting.

Each of the channel signals includes:

A video transport stream, an audio transport stream, a program map table (PMT) transport stream, and an event information table (EIT) transport stream,

Wherein the extracting comprises:

Extracting the program map table (PMT) and the event information table (EIT) from each channel signal,

Wherein the generating comprises:

(Program and System Information Protocol) information including a program map table (PMT) and an event information table (EIT) for each channel.

Wherein the transmitting comprises:

A broadcast program including the PSIP information, the decoded video transport stream for each channel, and the audio transport stream can be generated and transmitted.

According to the embodiment of the present invention, the PP (Program Provider) can generate the signaling information for the fault assistant service synchronized with the accurate program information by interworking with the Automatic Program Control (APC).

1 shows an overall configuration of a PP (Program Provider) real-time composition information interworking system according to an embodiment of the present invention.
Fig. 2 shows a detailed configuration of the schedule encoder system of Fig.
FIG. 3 illustrates a transmission structure of a synchronization information synchronization signaling according to an embodiment of the present invention.
4 is a flowchart illustrating a PP real-time scheduling information interworking method according to an embodiment of the present invention.
5 is a flowchart illustrating a PP real-time scheduling information interworking method according to another embodiment of the present invention.
6 shows a flowchart of the operation of the schedule encoder system according to the embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

Also, the terms " part, "" module," and " module ", etc. in the specification mean a unit for processing at least one function or operation and may be implemented by hardware or software or a combination of hardware and software have.

Hereinafter, a PP (Program Provider) real-time composition information interworking system and method according to an embodiment of the present invention will be described with reference to the drawings.

1 shows an overall configuration of a PP real-time coordination information interworking system according to an embodiment of the present invention.

Referring to FIG. 1, the overall configuration of the PP real-time information interworking system includes a broadcast programming / operation system 100 including an automatic program control (APC), a video server 200, a video encoder, A scheduling encoder system 400, a remux 500, a satellite transmission network 600, a network transmission network 700, a digital media center (DMC) And a broadcast receiver 900.

The broadcast programming / operation system 100 including the automatic broadcast transmission apparatus (APC) confirms a predefined schedule and reads designated video data at a predetermined time from a storage device (not shown) and inputs the read video data to the video server 200 . Here, the storage device (not shown) may store the broadcast program provided by the program supplier (PP) by time zone.

The broadcast programming / operation system 100 including the APC inputs the broadcast program P1 of the channel CH1 to the video server 200 at the time t1 and inputs the broadcast program P1 of the channel CH1 to the video server 200 at the time t2, CH2 to the video server 200 and inputs the broadcast program P3 of the channel CH3 to the video server 200 at time t3.

In addition, the broadcast programming / operation system 100 including the APC transmits n channel programming information to the schedule encoder system 300. At this time, the n channel arrangement information includes Descriptive Video Service (DVS) information and a caption type (C / C).

The video server 200 reproduces a video source (including an image source and a sound source) provided from a broadcast programming / operation system 100 including an automatic broadcast transmission apparatus (APC) And can be implemented in a general video reproducing apparatus.

The video encoder 300 encodes the broadcast video signal and the broadcast audio signal received from the video server 200 for each channel. Normally, video signals are encoded in the H.264 protocol and audio signals are encoded in MPEG-2. The video encoder 300 may be a standard definition (SD) encoder or a high definition (HD) encoder.

The video encoder 300 generates n AV transport streams (TS) and outputs them to the REMUXs 500.

The schedule encoder system 400 is an assistive service for imparied information encoder equipment and interworks with a broadcasting / scheduling system 100 including an automatic broadcasting apparatus (APC) and real-time scheduling information per second.

The schedule encoder system 400 is connected to an automatic broadcasting transmission apparatus (for example, a personal computer) using a predetermined protocol, for example, eXtensible Markup Language (XML), File Transfer Protocol (FTP), HyperText Transfer Protocol (HTTP), and Transmission Control Protocol (APC), and the like. At this time, the channel schedule information may include not only program schedule information but also advertisement schedule information.

The schedule encoder system 400 generates the assistant service signaling information on the basis of the precise channel combination time acquired in conjunction with the broadcast programming / operation system 100 including the APC. Herein, the assistant service signaling information includes a Program Map Table (hereinafter, referred to as 'PMT') in which a caption service descriptor for a disabled assistant information is inserted and an event information table (Event Information Table) Hereinafter collectively referred to as " EIT ").

Here, the PMT includes service information that uniquely identifies the target service. For example, a program number (program_number), a version number (version_number), a packet identifier (PID) of a transport stream (TS) packet, and an elementary_PID.

The REMUX 500 combines the transport stream AV TS received from the video encoder 300 and the assistant signaling information PMT and EIT received from the PMT encoder 305 for each channel and outputs the resultant to the transport networks 600 and 700. [ To a digital media center (DMC)

The video server 200, the video encoder 300, the schedule encoder system 400, and the remix 500 are connected to each PP and / It is installed in transmission center or broadcasting agency of SO (general cable broadcasting company) direct channel.

On the other hand, the transmission networks 600 and 700 provided at the transmission network operator (NO) side include a satellite transmission network 600 and a network transmission network 700. [

The digital media center (DMC) 800 is installed on the platform provider side, and includes a digital media center (DMC) 801 installed in a satellite broadcasting company, a digital media center (DMC) 803 installed in a cable broadcasting provider, And a digital media center (DMC) 805 installed therein.

The digital media center 800 transmits a channel signal received from the remix 500 through the transmission networks 600 and 700 to the corresponding subscribers through a cable.

The digital media center 800 links the ASI outs of IRDs (Integrated Receiver Decoders) to which PMTs and EITs of various channels for assistive devices for the disabled are transmitted to a schedule decoder.

Here, the schedule decoder decodes the input PMT and EIT of a plurality of channels and transmits the assistant information to the PMT and the EIT at a precise time in cooperation with the Generator of the PSIP (Program and System Information Protocol) of the digital media center 800 And services.

The broadcast receiver 900 receives a channel signal from the digital media center 800 and outputs the channel signal to the screen. The broadcast receiver 900 may be a set-top box.

Fig. 2 shows a detailed configuration of the schedule encoder system of Fig.

2, the schedule encoder system 400 includes an Electronic Program Guide (EPG) editor 401, an EPG manager 403, and a PMT encoder 405).

The EPG editing unit 401 may be implemented by a computer having a user interface (UI). The user interface (UI) includes an input means by which the operator can manually input information and a display means by which the operator can confirm the information.

The EPG editing unit 401 manages the APC interworking channel and program information. The EPG editing unit 301 performs registration and correction of the PMT / EIT PID, the caption information, and the commentary broadcast information for the PP channel information setting.

The EPG editing unit 401 receives channel programming information, caption information (C / C), and commentary broadcast information (DVS) received from the EPG managing unit 403 from the APC 100 from the EPG managing unit 403. And a user interface (UI) screen in which an operator can manually input caption information (C / C) and commentary broadcast information (DVS) according to the channel-by-channel combination information, and can control transmission and reception manually.

The EPG editing unit 401 provides a registration / inquiry screen enabling the operator to inquire real-time channel programming information in seconds.

The EPG editing unit 401 provides an editing screen in which the operator can define additional items. For example, additional definition items of items necessary for the auxiliary service of the fault information can be inputted through the modification development and interworking definition of the APC (BIS) of the CIS and can be linked to the subtitle information (C / C) and commentary broadcast information (DVS) have. At this time, in addition to the basic programming information, the screen commentary, caption broadcasting, and smart sign language broadcasting information can be linked.

Here, the link items and contents are shown in Table 1 below.

<! ELEMENT EventID (#PCDATA)>
<! ELEMENT EventType (#PCDATA)>
<! ELEMENT StartTime (#PCDATA)>: Event start time in seconds
<! ELEMENT EndTime (#PCDATA)>: Event end time in seconds
<! ELEMENT EventName (#PCDATA)>
<! ELEMENT Description (#PCDATA)>

The EPG management unit 403 obtains and stores the accurate programming information in cooperation with the broadcasting programming / operation system 100 including the APC, and generates the assistant service signaling information based on the programming time of the channel programming information do.

The EPG management unit 403 receives the second-time real-time channel programming information from the broadcast programming / operation system 100 including the APC. Then, the EPG editing unit 401 receives the caption information C / C and the commentary broadcast information DVS edited by the operator. And real-time channel organizing information, caption information (C / C), and commentary broadcast information (DVS) are stored in a database (not shown) provided by itself.

The EPG management unit 403 provides PMT / EIT transmission information to the PMT encoder 405, and displays programming information and transmission status for each channel. Here, the PMT is a table for providing meta information of a program element stream (video stream or audio) according to the MPEG-2 13818-1 standard, and the EIT is a table containing programming information. The transmission status is transmitted in the EIT, including C / C and DVS information.

The PMT encoder 405 generates a PMT and an EIT for the assistant service signaling based on the precise channel combination time acquired in conjunction with the broadcast programming / operation system 100 including the APC.

At this time, the PMT / EIT generated by the real-time smart sign language broadcast standard is generated as a transport stream (TS) compressed in at least one of H.264, MPEG-2, AC3 and Advanced Audio Coding (AAC) (500).

In case of MPP (Media Publishing Point), the PMT encoder 405 can generate PMT and EIT of various channels by dividing the PID into a PID and output it to the remix 500.

Herein, the MPP is program transfer link information enriched in the program access code, through which the program can be delivered in the form of streaming or downloading.

The PMT encoder 405 outputs the compressed PMT / EIT through the ASI interface or the IP interface as a physical interface with the remix 500. And it displays the transmission status graph and log file for each channel on the screen.

FIG. 3 illustrates a transmission structure of a synchronization information synchronization signaling according to an embodiment of the present invention.

Referring to FIG. 3, the video encoder 300 outputs a video TS and an audio TS compressed (or encoded) in a compressed format for each channel to the REMUX 400.

The PMT encoder 405 outputs PMTs and EITs compressed (or encoded) for each channel to the REMUX 400.

The REMUX 400 synthesizes a video transport stream (Video TS), an audio transport stream (Audio TS), PMT, and EIT for each channel.

For example, the channel 1 (Ch1) signal is generated by synthesizing a video transport stream (Video TS) 1, an audio transport stream (Audio TS) 1, PMT1 and EIT1. In this manner, channel signals for n channels are generated.

In addition, the digital media center 800 includes IRDs 801, 803 and 805, a schedule decoder 807, a program and system information protocol (PSIP) generator 809, And a multiplexing unit 809.

Each IRD (Integrated Receiver Decoder) 801, 803 and 805 receives N channel signals encoded in the transport stream TS from the remix 400 in real time. For example, IRD-1 801 receives channel signal 1. And the IRD-2 803 receives the channel signal 2. The IRD-n 805 receives the channel signal n.

The IRDs 801, 803 and 805 are connected to the schedule decoder 807 via ASI as physical interfaces, respectively. And receives the channel signals from the REMUX 400 and outputs them to the schedule decoder 807.

The schedule decoder 807 decodes the PMT and EIT input on a channel-by-channel basis, and generates the assistant information at the correct time together with the PSIP generated by the PSIP generator 809. [ Here, PSIP means broadcast program configuration information. Subtitle information and broadcast commentary information defined by PMT and EIT are added to the PSIP.

The schedule decoder 807 extracts the failure assistant broadcasting signaling information from the transport streams input from the channel-specific IRDs 801, 803, and 805, respectively. And PMT and EIT for each channel decoded in the direct channel of PP or SO are inserted in real time. At this time, the terrestrial PMT and the EIT (AC3 standard), which are information on the auxiliary broadcasting signal, are input.

The schedule decoder 807 interfaces with the multiplexer 811 through a UDP (User Datagram Protocol) interface.

The schedule decoder 807 outputs the extracted failure assistant broadcasting signaling information PMT and EIT to the multiplexer 811.

The schedule decoder 807 performs remote management and monitoring functions.

The PSIP generation unit 809 generates a PSIP including basic channel tuning information, channel branding information, and video and audio stream information for providing an EPG service. Here, the PSIP is an abbreviation of Program and System Information. The table constituting PSIP is composed of STT (time information), MGT (version information), VCT (channel information), RRT do.

The multiplexer 811 inserts PMT and EIT for each channel output from the schedule decoder 807 into the PSIP generated by the PSIP generator 809.

The multiplexing unit 811 multiplexes the channel signals received by the PSIP including the PMT and EIT for each channel output from the schedule decoder 807 and the IRDs 801, 803, and 805, (TS) is IP packetized and transmitted.

Now, the operation will be described using the same reference numerals in conjunction with the configurations described in Figs.

4 is a flowchart illustrating a PP real-time scheduling information interworking method according to an embodiment of the present invention.

Referring to FIG. 4, a broadcast programming / operation system 100 including an APC transmits a real time broadcast signal to a video encoder 300 through a video server 200 (S101).

The broadcast programming / operation system 100 including the automatic broadcast transmission apparatus (APC) transmits the second-time real-time programming information to the schedule encoder system 400 (S103).

Here, steps S101 and S103 are shown as being sequentially performed, but they can be performed at the same time.

The schedule encoder system 400 edits the caption information and the broadcast commentary information based on the real-time composition information received in step S103 (S105).

The schedule encoder system 400 generates PMT and EIT, which are added to the real-time program information per second, in PMT and EIT, and compresses them in the form of a TS (S107) and outputs them to the REMUX 500 (S019 ).

The video encoder 300 encodes the video signal and the audio signal of the broadcast signal received in step S101 and outputs the generated video transport stream TS and audio transport stream TS to the remix 500 S113).

The demux 500 combines the video transport stream TS, the audio transport stream TS, the PMT and the EIT for each channel (S115) to transmit the channel signals generated for each channel through the transmission networks 600 and 700 (S117).

5 is a flowchart illustrating a PP real-time scheduling information interworking method according to another embodiment of the present invention.

Referring to FIG. 5, IRD1 (801), ... , IRDn 805 respectively output channel signals (1, ..., n) received from the remix 500 to the schedule decoder 807 (S201, S203).

The schedule decoder 807 decodes the respective channel signals and extracts PMT and EIT for each channel (S205) and outputs it to the PSIP generation unit 809 (S207).

The PSIP generation unit 809 generates a PSIP including the PMI and EIT for each channel (S209) and outputs it to the multiplexer 811 (S211).

In addition, the schedule decoder 807 outputs the decoded channel signals, that is, the channel signals including the video signal and the audio signal, to the multiplexer 811 (S213).

Then, the multiplexer 811 generates a transport stream for each channel in which the PSIP and the channel signal are multiplexed (S215), and transmits the transport stream to the subscriber-side broadcast receiver 900. [

6 shows a flowchart of the operation of the schedule encoder system according to the embodiment of the present invention.

6, the EPG management unit 403 outputs the second-time real-time programming information received from the broadcast programming / operating system 100 including the APC (S301) to the EPG editing unit 401 S303).

The EPG editing unit 401 provides a user interface screen capable of editing and additionally registering the caption information and the screen commentary information based on the programming time of the real-time programming information, and generates the user interface screen based on the information selected or input by the operator (S305) And outputs the information to the EPG management unit 403 (S307).

Here, in addition to the basic programming information, the EPG editing unit 401 provides a user interface that can define additional items for screen commentary, caption broadcasting, and smart sign language broadcasting, so that caption information and broadcast commentary information are added based on the information input by the operator do.

The EPG management unit 403 outputs the received real time program information and the additional information received in step S307 to the PMT encoder 405 (S309).

The PMT encoder 405 generates the PMT and EIT for the failure assistant service in TS form (S311) for each channel on the basis of the real-time programming information and the additional information received in step S309, and outputs the PMT and EIT to the REMUX 500.

The embodiments of the present invention described above are not implemented only by the apparatus and method, but may be implemented through a program for realizing the function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

Claims (16)

A scheduling encoder that receives second-time real-time scheduling information from a broadcast scheduling operating system including an Automatic Program Control (APC) and generates and provides signaling information for a disability-assisting service for each channel based on the real- system,
A video encoder for compressing and generating a video signal and an audio signal for each channel received from the broadcast programming operation system including the automatic broadcast transmission apparatus (APC) in the form of a transport stream,
A multiplexer for multiplexing the signaling information for each channel, the transport stream of the video signal and the transport stream of the audio signal to generate a channel signal,
And multiplexes the program configuration information, the transport stream of the video signal, and the transport stream of the audio signal, and transmits the multiplexed transport stream to the subscriber station Digital Media Center
A PP real-time scheduling information interworking system. The method according to claim 1,
The schedule encoder system comprising:
An electronic program guide (EPG) editor for adding and editing caption information and screen commentary information for the disability assistance service in the real time program information,
An electronic program guide (EPG) editor for receiving and editing the real-time programming information and delivering the subtitle information and screen commentary information for the disabled auxiliary service added and edited from the electronic program guide (EPG) (EPG) Management Department, and
A program map table (PMT) for receiving the real-time programming information and caption information and screen interpretation information for the disability assistance service from the EPG management unit and generating signaling information for the disability assistance service, Encoder
A PP real-time scheduling information interworking system. 3. The method of claim 2,
The program map table (PMT)
A program map table (PMT) and an event information table (EIT) in the form of a transport stream are generated and encoded for each channel on the basis of the real-time programming information and the caption information and screen interpretation information for the disability assistance service, PP real - time scheduling information interworking system. The method of claim 3,
The above-
A PP real-time scheduling information interworking system that synthesizes each video transport stream, an audio transport stream, a program map table (PMT) transport stream, and an event information table (EIT) stream for each channel to generate and transmit each channel signal to a transport network. The method of claim 3,
The electronic program guide (EPG)
And real time programming information including advertisement programming information from a broadcasting programming operation system including the APC. The method of claim 3,
The electronic program guide (EPG)
A PP real-time scheduling information interworking system that receives real-time channel scheduling information in XML (eXtensible markup language) format using at least one of FTP (File Transfer Protocol), HTTP (HyperText Transfer Protocol) and TCP (Transmission Control Protocol). The method of claim 3,
The digital media center comprises:
A schedule decoder for decoding each channel signal received from the remix and extracting a program map table (PMT) and an event information table (EIT) for each channel,
A PSIP generator for generating Program and System Information Protocol (PSIP) information including a program map table (PMT) and an event information table (EIT) for each channel input from the schedule decoder,
A multiplexer for multiplexing the video signal and the audio signal decoded by the schedule decoder and the PSIP generated by the PSIP generator to the subscriber terminal,
A PP real-time scheduling information interworking system. 8. The method of claim 7,
A plurality of integrated receiver decoders (IRDs), which are provided for each of a plurality of channels and each receive channel signals corresponding to the channels through the transmission network from the REMUXs and output channel signals for respective channels to the schedule decoder, Decoder). 8. The method of claim 7,
The digital media center comprises:
PP real-time scheduling information interworking system which is provided to each of satellite broadcasting company, cable broadcasting company and IPTV provider. A PP real-time scheduling information interworking method of a PP real-time scheduling information interworking system including a schedule encoder system, a video encoder, and a remux interworking with a broadcast scheduling operating system including an Automatic Program Control (APC)
Wherein the schedule encoder system receives second-time real-time scheduling information from a broadcast scheduling operating system including the automatic broadcast transmission apparatus (APC)
Wherein the schedule encoder system generates and encodes signaling information for the Auxiliary Service on a channel-by-channel basis based on the real-
The video encoder compresses and generates a video signal and an audio signal for each channel received from the broadcast programming operation system including the APC in the form of a transport stream,
Generating a channel signal by combining the signaling information for each channel, the transport stream of the video signal and the transport stream of the audio signal, and transmitting the channel signal to the transport network
And the PP real-time scheduling information interworking method. 11. The method of claim 10,
Wherein the encoding step comprises:
Adding and editing caption information and screen commentary information for the disability assistance service to the real-time program information, and
Generating and encoding the added and edited signaling information for the disability assistance service on the basis of the caption information and screen commentary information for the disability assistance service and the real time schedule information
And the PP real-time scheduling information interworking method. 12. The method of claim 11,
Wherein the encoding step comprises:
(PMT) and an event information table (EIT) in the form of a transport stream for each channel on the basis of the real-time programming information and the caption information and screen interpretation information for the disability assistance service PP real time scheduling information interworking method. 13. The method of claim 12,
The transmitting step includes:
Synthesizing each video transport stream, an audio transport stream, a PMT transport stream, and an EIT stream for each channel to generate respective channel signals; and
Transmitting the channel signals to the digital media center of the platform provider through the transmission network
And the PP real-time scheduling information interworking method. As a PP real-time scheduling information interworking system of a PP real-time scheduling information interworking system including a schedule encoder system, a video encoder, a remix and a digital media center linked with a broadcast scheduling operation system including an automatic program control (APC) ,
A plurality of channel signals, which are synthesized from the transmission schedule of the transport stream and the audio signal of the channel-specific compressed video signal received from the broadcast programming operation system including the automatic broadcast transmission apparatus (APC), and the signaling information for the obstacle- The digital media center receiving from the remix,
Decoding the plurality of channel signals by the digital media center and extracting signaling information for a failure-aiding service for each channel;
The digital media center generating Program and System Information Protocol (PSIP) information including the extracted signaling information, and
The digital media center generates a broadcast program in which a decoded video signal, an audio signal, and a PSIP are multiplexed from the respective channel signals, and transmits the broadcast program to the subscriber terminal
And the PP real-time scheduling information interworking method. 15. The method of claim 14,
Wherein the plurality of channel signals comprise:
A program map table (PMT) transport stream and an event information table (EIT) transport stream are synthesized for each channel,
Wherein the extracting comprises:
Extracting the program map table (PMT) and the event information table (EIT) from each channel signal,
Wherein the generating comprises:
And generating the PSIP information including a program map table (PMT) and an event information table (EIT) for each channel. 16. The method of claim 15,
Wherein the transmitting comprises:
And generating and transmitting a broadcast program including the PSIP information, the decoded video stream per channel, and the audio transport stream.
KR1020150152609A 2015-07-01 2015-10-30 System and method associated real-time scheduling information of pp KR101685157B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050028126A (en) * 2003-09-17 2005-03-22 엘지전자 주식회사 Voice and braille output apparatus of epg and data broadcasting information
KR20130068455A (en) * 2011-12-15 2013-06-26 한국전자통신연구원 Method for providing sign language interpretation broadcasting service in digital multimedia broadcasting system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050028126A (en) * 2003-09-17 2005-03-22 엘지전자 주식회사 Voice and braille output apparatus of epg and data broadcasting information
KR20130068455A (en) * 2011-12-15 2013-06-26 한국전자통신연구원 Method for providing sign language interpretation broadcasting service in digital multimedia broadcasting system

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