KR100889049B1 - Demanded video service system using ip settop - Google Patents

Abstract

A video on demand providing system which uses an IP set-top in order to directly transmit audio/video signal in a VOD server through a modulator is provided to transmit A/V signal through a modulator connected with the VOD server and transmit a projector including a decoder card. A user controller(10) transmits video data request signal which a user requests to an external input unit(11). The outside input unit receives the video data request signal which the user demands. It transmits with an external interface(31) of the IP set top box(30). The IP set top box receives the video data request signal. Video data are received from the VOD server and decoded to the video signal. The VOD server searches video data requested based on the video data request signal inputted from the video data storage in which video data are stored. A controller controls in order to transmit searched video data to a decoding unit of the IP settop box. The display unit reproduces the video signal transmitted from the IP settop box.

Description

Demanded Video Service System Using IP SETTOP}

The present invention relates to a VOD system for simultaneously applying video services through an IP SETTOP BOX. More specifically, the present invention relates to a VOD system that transmits an A / V signal directly from a VOD server and displays it on a screen, or directly sends an A / V signal from the VOD server. It is related to a VOD system capable of simultaneously providing video service through a TV coaxial line and a video service through a network by connecting an IP SETTOP BOX to a system that provides a video to a home or a room of an individual building through a channel modulator.

The VODAS server of the conventional video-on-demand system has an external interface and an external interface for requesting transmission of video data from a user control unit by a user who provides information about the video data through a network / wireless communication network or the like. A control unit for controlling to find the requested video information according to the video data request signal input from the unit and transmitting the requested video information to a desired place, a video data storage unit for storing the video data to be provided, and a user request according to the control of the controller. The video data storage unit receives the video data from the application buffer unit and the application buffer unit for separating and storing the video data in a predetermined unit so that the data can be transmitted to multiple users without transmission obstacles. D) a MPEG (Motion Picture Expert Group) decoding unit / transmitter for transmitting to a desired position by the user.

The conventional VOD system as described above did not provide a high quality image, and there was an inconvenience in that the service could be provided only in a network situation.

The present invention has been made to solve the above problems, the object is to send an A / V signal directly from the VOD server to the TV or projector connected to the VOD server with a decoder card built-in to view the image or Or by providing a video system for transmitting the A / V signal directly from the VOD server through a modulator connected to the VOD server to view the image through the TV coaxial line in each house or room of the individual building, the video system The purpose is to provide a high-definition video service simultaneous application VOD system through the IP SETTOP BOX that connects the IP SETTOP BOX to the TV coaxial line and the video service through the network.

In order to achieve the above object, the present invention provides a video-on-demand system,

A user controller 10 which transmits the video data request signal R requested by the user to the external input unit 11;

An external input unit 11 which receives the video data request signal R requested by a user and transmits the video data request signal R to the first external interface unit 31 of the IP set-top box 30;

The IP set-top box 30 receives the video data request signal R requested by the user and transmits the video data to the VOD server 40, receives the video data from the VOD server 40, decodes the video data into a video signal, and transmits the video signal to the display unit 50. );

Based on the video data storage unit 41 storing the video data and the video data request signal R input from the first external interface unit 31, the requested video data is searched for and the retrieved video data is stored in the IP set-top. A VOD server 40 having a control unit 42 for controlling transmission to the first decoding unit 32 of the box 30; And

It includes; a plurality of display unit 50 for reproducing the video signal transmitted from the IP set-top box 30,

The IP set top box 30

A first external interface unit 31 which receives the video data request signal R requested by the user and transmits the video data request signal R to the control unit 42 of the VOD server 40 and the video transmitted from the video data storage unit 41. A first decoding unit 32 for decoding data into an image signal, and the video signal transmitted from the first decoding unit 32 for each of a plurality of users previously assigned under the control of the control unit 42. And a first transmitter 44 for transmitting the video signal to the respective display units 50 that have requested the address.

In addition, as another embodiment of the present invention,

The VOD server 40

A second external interface unit 60 which receives a video data request signal R1 requested by a user through a web through an external PC and transmits it to the control unit 42 of the VOD server 40 and the video data; The second decoding unit 61 which decodes the video data transmitted from the storage unit 41 into an image signal, and the image signal transferred from the second decoding unit 61 under the control of the control unit 42, respectively. A second distribution unit 62 for distributing the requested video signal to the second transmission unit 63 having an address set for each user, and assigning each address to a plurality of users subscribed to the second distribution unit; And a second transmission unit 63 for transmitting the video signal input from the allocation unit 62 to each display unit 50 requesting the desired video data.

The plurality of display units 50 receive image signals from the second transmitter 63 directly via an A / V line 1: 1.

As another embodiment of the present invention,

The phone card 45 or the ARS card is embedded in the VOD server 40 and the phone card 45 or the ARS card is connected to the wired telephone 47 of a plurality of users through an external PBX 46.

The VOD server 40

A second external interface unit 60 for receiving the video data request signal R2 requested by the user through the wired telephone 47 and transmitting the received video data request signal R2 to the control unit 42 of the VOD server 40; A second decoding unit 61 for decoding the video data transmitted from the unit 41 into an image signal, and each user under the control of the control unit 42 to control the image signal transmitted from the second decoding unit 61. A second distribution unit 62 for distributing the requested video signal to the second transmission unit 63 having an address set to each other, and assigning each address to a plurality of users subscribed to the second distribution unit; And a second transmitter 63 for transmitting the video signal input from the 62 to the modulator 70,

The second transmitter 63 transmits an image signal to the modulator 70 through a sound / video cable 71, and the modulator 70 displays each display requesting a desired image signal through the coaxial cable 72. Transfer to section 50.

In the present invention, the VOD server 40, under the control of the control unit 42, the application buffer unit 43 for dividing and storing the video data stored in the video data storage unit 41 requested by the user in a predetermined amount It may be further provided.

In addition, as another embodiment of the IP set-top box 30, the first distribution unit 48 before transmitting the video signal output from the first decoding unit 32 to the first transmission unit 44 Further, the video signal from the first decoding unit 32 is distributed to the first transmission unit 44 whose address is set for each user under the control of the control unit 42. .

In addition, an embodiment of a video on-demand providing method using an IP set top according to the present invention

A first step of transmitting the video data request signal R requested by the user through the user controller 10 to the external input unit 11;

A second step of receiving, by the external input unit (11), the video data request signal (R) transmitted in the first step and transmitting it to the first external interface unit (31) of the IP set-top box (30);

A third step of transmitting the video data request signal (R) from the first external interface unit (31) to the control unit (42) of the VOD server (40);

A fourth step of the control unit 42 receiving the video data request signal R reading the signal R to retrieve the video data requested by the user from the video data storage unit 41;

A fifth step of transmitting the video data retrieved in the fourth step to the first decoding unit 32 of the IP set-top box 30;

A sixth step of decoding the video data transmitted to the first decoding unit 32 of the IP set-top box 30 into an image signal;

A seventh step of transmitting the video signal generated in the sixth step for each user who requested through the first transmission unit 44 to reproduce the video signal through the display unit 50;

It is characterized by including.

In addition, another embodiment of the video on-demand providing method using an IP set top according to the present invention

A first step of inputting a video data request signal (R1) requested by a user through a web through an external PC to the second external interface unit 60 of the VOD server 40;

A second step of transmitting the video data request signal R1 from the second external interface unit 60 to the control unit 42 of the VOD server 40;

A third step of the control unit 42 receiving the video data request signal R1 reading the signal R1 to retrieve the video data requested by the user from the video data storage unit 41;

A fourth step of transmitting the video data retrieved in the third step to the second decoding unit (61) of the VOD server (40);

A fifth step of decoding the video data transmitted to the second decoding unit 61 into an image signal;

A sixth step of transmitting the image signal generated in the fifth step to the second distribution unit 62;

A seventh step of transmitting the image signal output from the second distribution unit (62) to the second transmission unit (63) for transmission for each requested user;

And an eighth step of transmitting an image signal to the display unit 50 via an A / V line in a direct 1: 1 manner from the second transmitter 63.

In addition, another embodiment of the on-demand video providing method using an IP set top according to the present invention

The video data request signal (R2) requested by the user through the phone card 45 or ARS card built into the VOD server 40 and the PBX (private branch exchange) 46 and the wired telephone 47 installed outside the VOD server 40 A first step of inputting to the second external interface unit 60 of the server 40;

A second step of transmitting the video data request signal R2 from the second external interface unit 60 to the control unit 42 of the VOD server 40;

A third step of the control unit 42 receiving the video data request signal R2 reading the signal R2 to retrieve the video data requested by the user from the video data storage unit 41;

A fourth step of transmitting the video data retrieved in the third step to the second decoding unit (61) of the VOD server (40);

A fifth step of decoding the video data transmitted to the second decoding unit 61 into an image signal;

A sixth step of transmitting the image signal generated in the fifth step to the second distribution unit 62;

A seventh step of transmitting the video signal output from the second distribution unit 62 of the sixth step to the second transmission unit 63 to transmit for each requested user;

An eighth step of transmitting the video signal from the second transmitter (63) to a modulator (70) via a sound / video cable (71);

And a ninth step of transmitting the video signal transmitted to the modulator 70 to each display unit 50 that has requested a desired video signal through the coaxial cable 72.

In the video-on-demand method of the present invention, after the sixth step, the first distribution unit 48 is further added before the video signal output from the first decoding unit 32 is transmitted to the first transmission unit 44. You can do it.

In addition, in the video-on-demand method of the present invention, the application buffer unit before the video data from the video data storage unit 41 is transmitted to the first decoding unit 32 or the second decoding unit 61. (43) can be further routed.

According to the present invention, an A / V signal can be sent directly from the VOD server to a TV or a projector connected to a VOD server in which a decoder card is embedded, or an image can be viewed directly from the VOD server through a modulator connected to the VOD server. Provides a video system that transmits / V signals so that each house or room in an individual building can watch images through a TV coaxial line, and a high definition video service through a TV coaxial line by connecting an IP SETTOP BOX to the video system. And video service through the network can be enabled at the same time.

Hereinafter, with reference to the accompanying drawings will be described in detail on-demand video providing system using an IP set top according to the present invention.

<Example 1>

1 is a block diagram of an on-demand video providing system using an IP set top according to the present invention. As shown in FIG. 1, in the video on demand (VOD) providing system of the present invention, the user controller 10 transmits a video data request signal R related to a video or audio desired by a client. Transmit to external input unit 11. For example, the video data request signal R requested by the user through the remote controller or the like is transmitted to the external input unit 11 installed together with the display unit 50 such as a TV.

The external input unit 11 receives the video data request signal R requested by the user and transmits the signal R to the first external interface unit 31 of the IP set-top box 30 of the present invention. .

The IP set-top box 30 of the present invention will be described in detail later, but receives the video data request signal R requested by the user and transmits it to the VOD server 40, and receives the video data from the VOD server 40 and receives an image signal. Decoded to transmit to the display unit 50.

In addition, in the present invention, the VOD server 40 requests based on the video data storage unit 41 storing the video data and the video data request signal R input from the first external interface unit 31. And a control unit 42 for controlling the retrieved video data and transmitting the retrieved video data to the first decoding unit 32 of the IP set-top box 30.

In addition, the present invention includes a plurality of display units 50, such as a TV for reproducing the video signal transmitted from the IP set-top box 30.

In more detail, the first external interface unit 31 receives the video data request signal R of the user controller 10 through the external input unit 11 and transmits the video data request signal R to the controller 42. The video data storage unit 41 in the VOD server 40 stores the video data to be provided and transmits the stored video data to the first decoding unit 43 under the control of the controller 42.

The IP set-top box 30 of the present invention includes a first external interface unit 31, a first decoding unit 32, and a first transmission unit 44.

The first external interface unit 31 receives the video data request signal R requested by the user and transmits the video data request signal R to the control unit 42 of the VOD server 40.

The first decoding unit 32 receives the video data from the video data storage unit 41 and decodes the video data into an image signal under the control of the control unit 42.

In addition, the first transmission unit 44 allocates respective addresses to a plurality of users subscribed in advance, and displays each of the display units 50 requesting video data for the video signal input from the first decoding unit 32. ) Is used to send.

On-demand video providing system using the IP set-top according to the present invention transmits the video data file directly from the VOD server 40 to the IP set-top box 30, the video data file is decoded into a video signal in the IP set-top box 30 As a result, it is possible to display an image of higher quality than the conventional method.

<Example 2>

2 is a view for explaining another embodiment to which the present invention is applied. As shown in Fig. 2, in addition to the above-described IP set-top box 30 being installed in an on-demand video providing system using an IP set-top of the present invention, a server administrator uses an external PC to access a user through a web such as the Internet. Transmits the desired video data request signal R1 to the second external interface unit 60 and directly displays the decoded video signal through a decoder card (not shown) embedded in the VOD server 40 itself. ) Is sent.

In more detail, in order to implement another embodiment of the present invention, the VOD server 40 receives a video data request signal R1 requested by a user by adopting a web method through an external PC, and then receives the VOD. A second external interface unit 60 to be transmitted to the control unit 42 of the server 40, a second decoding unit 61 to decode the video data transmitted from the video data storage unit 41 into an image signal, A second part for distributing the requested video signal from the second decoding unit 61 to the second transmission unit 63 whose address is set for each user under the control of the control unit 42; Allocating each address to the allocation unit 62 and a plurality of users subscribed in advance, and transmitting the video signal input from the second distribution unit 62 to each display unit 50 requesting the desired video data. Further provided with a second transmission unit 63 In addition, the plurality of display units 50 receive an image signal through an A / V line directly 1: 1 from the second transmitter 63.

<Example 3>

3 is a view for explaining another embodiment to which the present invention is applied. As shown in Fig. 3, in addition to the above-described IP set-top box 30 installed in the video-on-demand system using the IP set-top of the present invention, the VOD server 40 has a phone card 45 or The built-in ARS card (not shown) allows VODs to be provided simultaneously over a telephone connection.

Specifically, a phone card 45 or an ARS card (automatic response system card) is embedded in the VOD server 40, and the phone card 45 or ARS card is an external PBX (private branch exchange, exchanger) ( 46 is connected to the landline telephone 47 of a plurality of users. By applying such a configuration, the user can select a desired video or the like through the telephone.

In more detail, the phone card 45 or the ARS card is embedded in the VOD server 40, and the phone card 45 or the ARS card is connected to a plurality of external PBXs 46. It is connected to the user's landline phone 47.

In addition, the VOD server 40 receives the video data request signal R2 requested by the user through the wired telephone 47 and transmits the second external interface unit to the control unit 42 of the VOD server 40. 60, a second decoding unit 61 for decoding the video data transmitted from the video data storage unit 41 into a video signal, and a video signal transferred from the second decoding unit 61 to the controller ( A second distribution unit 62 for distributing the requested video signal to the second transmission unit 63 in which an address is set for each user under the control of 42), and for each of a plurality of users subscribed to in advance. The second transmission unit 63 is further provided to transmit an image signal input from the second distribution unit 62 to the modulator 70 by allocating an address of.

In addition, in the present embodiment, the second transmission unit 63 transmits the video signal to the modulator 70 through the sound / video cable 71, the modulator 70 through the coaxial cable 72 The desired video signal is transmitted to each of the display units 50 that have requested.

<Example 4>

As another embodiment of the present invention, as shown in Figs. 4 to 6, in each of the above-described first to third embodiments of the present invention, the video requested by the user under the control of the controller 42 An application buffer unit 43 may be further provided to divide and store video data stored in the data storage unit 41 by a predetermined amount.

 In other words, the application buffer unit 43 is a place for storing the video data in a predetermined unit amount, for example, a predetermined amount, and comprises a plurality of independent storage units. The independent storage means that separate data access is possible for each storage. When watching a movie's running time as 2 hours, if there is a request from multiple users for one movie, it may cause excessive load on the internal data bus, which may cause transmission failure. By cutting the data into the application buffer unit 43, the video data is transmitted to the requested user by a predetermined unit rather than receiving the video data transmission request over the entire range of the movie, thereby reducing the load on the internal data bus. It is designed to handle video data requests from multiple users while reducing the number of users.

Application buffer unit 43 for storing the video data stored in the video data storage unit 41 requested by the user according to the control by the control unit 42 divided into a predetermined amount and an example of the predetermined amount of time is 5 minutes or 10 minutes. It can be done in minutes.

In the embodiment in which the application buffer unit 43 is provided, the video data of the video data storage unit 41 is first transferred to the application buffer unit 43 under the control of the control unit 42, and then the application buffer unit The video data is transmitted from 43 to the first decoding unit 32 or the second decoding unit 61.

Example 5

In another embodiment of the present invention, the IP signal is transmitted to the IP set-top box 30 from the first decoding unit 32, the address is set for each user under the control of the control unit 42 A first distribution unit for distributing the video signal requested to the first transmission unit 44 is further provided. That is, the first distribution unit 48 may be further arranged before the video signal output from the first decoding unit 32 is transmitted to the first transmission unit 44. (Figs. 4 to 6). Reference)

Subsequently, an on-demand video providing method using an IP set-top according to the present invention will be described in detail.

Example I: Method of Using IP Set-Top Box

7 is a flowchart of a method of using an IP set-top box according to the present invention. As shown in FIG. 7, in the method using the IP set-top box, the first step is to transmit the video data request signal R requested by the user to the external input unit 11 through the user controller 10. That is, the video data request signal R requested by the user is transmitted to the external input unit through the user controller 10 such as a remote controller.

In the second step, an external input unit 11 receives the video data request signal R transmitted in the first step and transmits the video data request signal R to the first external interface unit 31 of the IP set-top box 30 of the present invention. to be.

The third step is to transmit the video data request signal R from the first external interface unit 31 to the control unit 42 of the VOD server 40.

In the fourth step, the control unit 42 receiving the video data request signal R reads the signal R and searches for video data requested by the user from the video data storage unit 41.

In the fifth step, the video data retrieved in the fourth step is transmitted to the first decoding unit 32 of the IP set-top box 30.

The sixth step is decoding video data transmitted to the first decoding unit 32 of the IP set-top box 30 into an image signal.

The seventh step is to transmit the video signal generated in the sixth step for each user who requested through the first transmission unit 44 to reproduce the video signal through the display unit 50.

After the sixth step, the video signal output from the first decoding unit 32 is further passed through the first distribution unit 48 before being transmitted to the first transmission unit 44. It may be transmitted to the first transmitter 44.

<Example II: Method using a web method>

In addition, another embodiment of a method for providing video on demand using an IP set-top according to the present invention is a method using a web method.

The first step of the method is a step of inputting the video data request signal R1 requested by the user to the second external interface unit 60 of the VOD server 40 through a web through an external PC.

The second step is to transmit the video data request signal R1 from the second external interface unit 60 to the control unit 42 of the VOD server 40.

In the third step, the control unit 42 receiving the video data request signal R1 reads the signal R1 and searches for video data requested by the user from the video data storage unit 41.

In the fourth step, the video data retrieved in the third step is transmitted to the second decoding unit 61 of the VOD server 40.

The fifth step is decoding the video data transmitted to the second decoding unit 61 into an image signal.

In the sixth step, the image signal generated in the fifth step is transmitted to the second distribution unit 62.

A seventh step is a step of transmitting the video signal output from the second distribution unit 62 to the second transmission unit 63 to transmit for each requesting user.

In the eighth step, the image signal is transmitted to the display unit 50 via an A / V line in a 1: 1 manner directly from the second transmitter 63.

Example III: Method of Using Phone Card or ARS Card

In addition, another embodiment of the video on-demand providing method using the IP set-top according to the present invention is a method using a phone card or ARS card.

The first step of the method is a video card request by the user through a phone card 45 or ARS card embedded in the VOD server 40 and a private branch exchange (PBX) 46 and a wired telephone 47 installed externally. The signal R2 is input to the second external interface unit 60 of the VOD server 40.

The second step is to transmit the video data request signal R2 from the second external interface unit 60 to the control unit 42 of the VOD server 40.

In the third step, the control unit 42 receiving the video data request signal R2 reads the signal R2 and searches for the video data requested by the user from the video data storage unit 41.

In the fourth step, the video data retrieved in the third step is transmitted to the second decoding unit 61 of the VOD server 40.

The fifth step is decoding the video data transmitted to the second decoding unit 61 into an image signal.

In the sixth step, the image signal generated in the fifth step is transmitted to the second distribution unit 62.

The seventh step is a step of transmitting the video signal output from the second distribution unit 62 of the sixth step to the second transmission unit 63 to transmit for each requested user.

The eighth step is to transmit the video signal from the second transmitter 63 to the modulator 70 through the sound / video cable 71.

The ninth step is to transmit the video signal transmitted to the modulator 70 to each display unit 50 that has requested a desired video signal through the coaxial cable 72.

<Example IV>

In addition, in the video-on-demand method of the present invention, the application buffer unit before the video data from the video data storage unit 41 is transmitted to the first decoding unit 32 or the second decoding unit 61. (43) can be further routed.

As described above, the video-on-demand method of the present invention is characterized by using a combination of any one or more of the IP set-top method, the web method, the phone using method using a phone card or ARS card.

The present invention is not limited to the above embodiments, but various modifications and changes are possible by those skilled in the art, which are included in both the spirit and scope of the appended claims.

1 is a block diagram of an on-demand video providing system using an IP set top according to the present invention.

2 is a view for explaining another embodiment to which the present invention is applied.

3 is a view for explaining another embodiment to which the present invention is applied.

4 to 6 is another embodiment of the present invention.

7 is a flowchart of a method of using an IP set-top box according to the present invention.

Brief description of the major reference marks

10: user control unit 11: external input unit

30: IP set-top box 31: the first external interface unit

32: first decoding unit 40: VOD server

41: video data storage 42: control unit

43: application buffer unit 44: the first transmission unit

45: phone card 46: PBX

47: landline telephone 48: first allocation

50: display unit 60: second external interface unit

61: second decoding unit 62: second distribution unit

63: second transmission unit 70: modulator

71: sound / video cable 72: coaxial cable

Claims (10)

In the video providing system on demand, A user controller 10 which transmits the video data request signal R requested by the user to the external input unit 11; An external input unit 11 which receives the video data request signal R requested by a user and transmits the video data request signal R to the first external interface unit 31 of the IP set-top box 30; The IP set-top box 30 receives the video data request signal R requested by the user and transmits the video data to the VOD server 40. ); Based on the video data storage unit 41 storing the video data and the video data request signal R input from the first external interface unit 31, the requested video data is searched for and the retrieved video data is stored in the IP set-top. A VOD server 40 having a control unit 42 for controlling transmission to the first decoding unit 32 of the box 30; And It includes; a plurality of display unit 50 for reproducing the video signal transmitted from the IP set-top box 30, The VOD server 40 Video data request signal R1 requested by the user through a web method through an external PC, or  Built-in phone card 45 or ARS card connected to a plurality of users' wired telephones 47 through an external PBX 46, respectively, the video data request signal R2 requested by the user through the wired telephone 47, respectively. Receive The second external interface unit 60 for transmitting to the control unit 42 of the VOD server 40 and the second decoding unit 61 for decoding the video data transmitted from the video data storage unit 41 into an image signal. And distributing the requested video signal from the second decoding unit 61 to the second transmission unit 63 whose address is set for each user under the control of the control unit 42. The second distribution unit 62 and each display unit 50 for requesting the video signal and the desired video data inputted from the second distribution unit 62 by allocating respective addresses to a plurality of users subscribed in advance; A second transmitter 63 for transmitting only the video signal to the modulator 70, And an application buffer unit 43 for dividing and storing the video data stored in the video data storage unit 41 requested by the user according to the control by the controller 42 in a predetermined amount. The plurality of display units 50 receive image signals directly through the A / V line 1: 1 from the second transmitter 63, The second transmitter 63 transmits an image signal to the modulator 70 through a sound / video cable 71, The modulator 70 transmits a desired video signal to each display unit 50 that has requested a desired video signal through the coaxial cable 72. The IP set top box 30 A first external interface unit 31 which receives the video data request signal R requested by the user and transmits the video data request signal R to the control unit 42 of the VOD server 40 and the video transmitted from the video data storage unit 41. A first decoding unit 32 for decoding data into an image signal, and the video signal transmitted from the first decoding unit 32 for each of a plurality of users previously assigned under the control of the control unit 42. And a first transmitter 44 for transmitting the video signal to the respective display units 50 that have requested the address. The control unit 10 of the VOD server 40 further arranges the first distribution unit 48 before transmitting the video signal output from the first decoding unit 32 to the first transmission unit 44. On-demand video providing system using the eyepiece set. delete delete delete delete delete delete delete delete delete

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