Source: https://patents.google.com/patent/US8973028B2/en
Timestamp: 2018-11-21 21:12:19
Document Index: 621820526

Matched Legal Cases: ['Application No. 10', 'Application No. 61', 'Application No. 200980103346', 'Application No. 200980103346', 'application No. 200980103346', 'Application No. 200980103346', 'Application No. 10', 'Application No. 200980103449', 'Application No. 09704986', 'Application No. 09705414', 'Application No. 200980103346']

US8973028B2 - Information storage medium storing metadata and method of providing additional contents, and digital broadcast reception apparatus - Google Patents
Information storage medium storing metadata and method of providing additional contents, and digital broadcast reception apparatus Download PDF
US8973028B2
US8973028B2 US12361137 US36113709A US8973028B2 US 8973028 B2 US8973028 B2 US 8973028B2 US 12361137 US12361137 US 12361137 US 36113709 A US36113709 A US 36113709A US 8973028 B2 US8973028 B2 US 8973028B2
US12361137
US20090193456A1 (en )
Mun-Jo Kim
Disclosed are an information storage medium storing metadata for providing additional content during a broadcast program, the metadata including information indicating whether to insert second additional content instead of first additional content, which is underlying additional content of the broadcast program, and a locator of the second additional content, a method of providing additional content by using the same, and a digital broadcast reception apparatus.
This application claims priority from Korean Patent Application No. 10-2008-0126575, filed on Dec. 12, 2008, in the Korean Intellectual Property Office, and the benefit of U.S. Provisional Patent Application No. 61/024,314, filed on Jan. 29, 2008, in the U.S. Patent and Trademark Office, the disclosures of which are incorporated herein in its entirety by reference.
The present invention relates to a digital broadcast, and more particularly, to an information storage medium storing data for providing additional contents such as advertisements, a method of providing additional contents, and a digital broadcast reception apparatus.
The fusion of the communication and broadcast fields has accelerated due to the recent digital convergence resulting in the dramatic popularization of internet protocol television (IPTV) service, which provides digital video service and two-way data service via a high-speed broadband network. Furthermore, digital cable TV services which are based on hybrid filter coaxial (HFC) networks have also contributed to the digitalization of the paid broadcast service market. Service providers providing such digital broadcast services are also interested in additional contents that are to be provided with broadcast programs. Especially, broadcast advertising, which is the fastest and the most precise means of delivering vivid advertising images of a product and/or a service both visually and audibly, is the major source of income to broadcast providers. Therefore, more efficient methods of advertising which use the advantages of digital broadcasting are being developed.
An aspect of the present invention provides an information storage medium storing data for providing additional contents such as advertisements, a method of providing additional contents by using the metadata, and a digital broadcast reception apparatus.
According to an aspect of the present invention, there is provided an information storage medium storing metadata for providing additional content during a broadcast program, the metadata including information indicating whether to insert second additional content instead of first additional content, which is underlying additional content of the broadcast program, and a locator of the second additional content.
The information indicating whether to insert the second additional content includes priority information with respect to the first additional content and the second additional content, and instructs the one of the first and second additional contents having the higher priority to be reproduced.
The information storage medium may further include information regarding time points to reproduce the first additional content or the second additional content.
The information storage medium may further include a locator of the first additional content. The locator of the second additional content may be written in the form of URI (uniform resource identifier).
According to another aspect of the present invention, there is provided a method of providing additional content, the method including receiving metadata regarding a broadcast program, decoding the metadata and determining whether to insert second additional content instead of first additional content, which is underlying additional content of the broadcast program, if it is determined to insert the second additional content, obtaining a locator of the second additional content from the metadata, and receiving the second additional content by using the obtained locator and reproducing the second additional content.
The determination of whether to insert the second additional content may include comparing priorities of the first additional content and the second additional content, the priorities being included in the metadata, and determining the one of the first and second additional contents having the higher priority to be reproduced.
The method may further include decoding the metadata and determining a time point to begin reproduction of the first additional content or the second additional content.
The method may further include, if it is determined to reproduce the first additional content, obtaining a locator of the first additional content from the metadata, and receiving the first additional content by using the locator and reproducing the first additional content.
According to another aspect of the present invention, there is provided a computer readable recording medium having recorded thereon the method of providing additional content.
According to another aspect of the present invention, there is provided a digital broadcast reception apparatus including a reception unit which receives a broadcast program, metadata regarding the broadcast program, and additional content, a playback unit which produces data received by the reception unit, and a control unit which determines whether to insert second additional content instead of first additional content, which is underlying additional content of the broadcast program, and, if it is determined to insert the second additional content, controls the reception unit and the playback unit to receive the second additional content by using a locator thereof included in the metadata and to reproduce the second additional content.
FIG. 1 is a flowchart of a method of providing additional content according to an exemplary embodiment of the present invention;
FIG. 2 is a flowchart of a method of providing additional content according to another exemplary embodiment of the present invention;
FIG. 3 is a block diagram of a digital broadcast reception apparatus according to another exemplary embodiment of the present invention;
FIG. 4 illustrates metadata in the case where alternative advertisement content is inserted according to another exemplary embodiment of the present invention; and
FIG. 5 illustrates metadata in the case where alternative advertisement content is not inserted according to another exemplary embodiment of the present invention.
Exemplary embodiments of the present invention will now be described with reference to the attached drawings.
FIG. 1 is a flowchart of a method of providing additional content according to an embodiment of the present invention.
Referring to FIG. 1, a digital broadcast reception apparatus receives and decodes metadata regarding a broadcast program (operation 110). Metadata includes not only information regarding the broadcast program, but also information regarding additional content. Information regarding additional content includes information instructing either to reproduce first additional content, which is underlying additional content included in the broadcast program, or to insert and reproduce a second additional content, and includes a locator of the second additional content.
If it is determined that metadata instructs to insert the second additional content (operation 120), a locator of the second additional content is obtained from the metadata (operation 130). A digital broadcast reception apparatus receives the second additional content by using the obtained locator and reproduces the second additional content (operation 140). If it is determined that metadata instructs to broadcast the first additional content, which is underlying additional content included in the broadcast program, in the operation 120, the broadcast program, which a user may be watching, is continuously broadcasted together with the first additional content without performing insertion of other additional contents (operation 150).
FIG. 2 is a flowchart of a method of providing additional content according to another embodiment of the present invention.
Referring to FIG. 2, a digital broadcast reception apparatus receives and decodes metadata regarding a broadcast program (operation 210). Metadata includes not only information regarding the broadcast program, but also information regarding additional content. Information regarding additional content may include information instructing which of additional contents is to be reproduced, and may include a locator of additional content to be reproduced. Metadata may include information indicating a time point to begin reproduction of additional content and a time length of additional content. In this case, time points to begin and to finish reproduction of additional content and a time point to return to the broadcast program are determined based on the time information above.
A time point to begin reproduction of additional content is determined by using metadata (operation 220). At the time point to begin reproduction of additional content, a digital broadcast reception apparatus selects additional content to reproduce by using information included in metadata (operation 230). It may be determined whether to insert second additional content instead of first additional content by using priority information included in metadata. It is determined whether to insert and/or reproduce additional content having higher priority by comparing priorities of each of additional contents.
After obtaining a locator of selected additional content from metadata (operation 240), the selected additional content is received by using the obtained locator and is reproduced (operation 250). If it is instructed to insert second additional content, the second additional content is inserted and reproduced precisely at a time point of insertion based on time information. If it is instructed to reproduce first additional content, the first additional content, which is underlying additional content included in the broadcast program, is received and reproduced. Metadata may also include a locator of first additional content. In this case, a digital broadcast reception apparatus receives first additional content by using the locator and reproduces the first additional content. Locators of first and second additional contents may be written in the form of uniform resource identifiers (URI) in metadata. When reproduction of additional content is completed, a broadcast program, which was being reproduced prior to the additional content, is restored (260).
FIG. 3 is a block diagram of a digital broadcast reception apparatus according to another embodiment of the present invention.
Referring to FIG. 3, a digital broadcast reception apparatus 300 includes a reception unit 301 which receives a broadcast program and metadata regarding the broadcast program from a broadcast server 310 and receives additional content from an additional content management server 320, a playback unit 303 which reproduces data received by the reception unit 301 and outputs the reproduced data to a display apparatus 330, and a control unit which controls the reception unit 301 and the playback unit 303.
The control unit 302 decodes metadata and determines whether to insert second additional content instead of first additional content, which is underlying additional content included in a broadcast program, and, if it is determined to insert the second additional content, controls the reception unit 301 and the playback unit 303 to receive the second additional content by using a locator of the second additional content included in the metadata and to reproduce the received second additional content. Furthermore, the control unit 302 controls insertion and reproduction of additional content according to the method of providing additional content described above. Accordingly, a broadcast provider controls the digital broadcast reception apparatus 300 by using metadata to provide additional content complying with preferences or demands of a user.
FIG. 4 illustrates metadata in the case where alternative advertisement content is inserted according to another embodiment of the present invention, wherein the present invention is applied to the broadband contents guide (BCG), which is a metadata standard, of the digital video broadcast-internet protocol (DVB-IP), which is an IPDV standardization organization. BCG is metadata including program information and a locator of a broadcast program.
Referring to FIG. 4, information 410 regarding two additional contents are written in a <RelatedMaterial> element by using a <MediaLocator> tag. According to the current embodiment, first additional content is underlying advertisement content included in a broadcast program, and second additional content, which can be inserted instead of the first additional content, is an additional advertisement content. <MediaLocator> elements 411 and 413 include locators 412 and 414 of advertisement contents in the form of URI, and “priorities,” which indicate reproduction priorities of the advertisement contents, are defined as attributes of the locators. Referring to the first <MediaLocator> element 411, it is clear that the priority of the underlying advertisement content is 0x01 and content to be reproduced is adbreak1_underlying.html. Referring to the second <MediaLocator> element 413, it is clear that the priority of the additional advertisement content is 0x00 and content to be reproduced is adbreak1_insertion.html. Furthermore, a <SegmentLocator> element includes information 420 regarding a time point for advertisement, and includes sub-elements such as a <MediaRelTimePoint> element 421 for indicating a time point to begin advertisement as relative time and a <MediaDuration> element 422 for indicating time length of advertisement.
Among advertisement contents defined by the <MediaLocator> elements, advertisement content having the highest priority, i.e. advertisement content having the smallest priority attribute value, is reproduced. Therefore, in the embodiment of FIG. 4, the additional advertisement content adbreak1_insertion.html of which the priority attribute value is 0x00 is broadcasted. The priority attribute value 0x00 can be defined to be used only for additional advertisement content. Furthermore, it may be defined to use values equal to or greater than 0x01 for underlying advertisement content. By using the priority attribute, an advertisement inserting function can be activated or deactivated by only adjusting the relative values of the priorities of additional advertisement content and of underlying advertisement content, rather than adding or removing <MediaLocator> elements. Accordingly, a broadcast provider can provide advertisements customized to each of users (reception apparatuses) by inserting information for user customized advertisement in metadata. Therefore, a time duration in which users watch advertisements can be maximized, and thus the effect of advertisements can be improved.
FIG. 5 illustrates metadata in the case where alternative advertisement content is not inserted according to another embodiment of the present invention.
Referring to FIG. 5, a priority attribute value 501 of additional advertisement content is changed to 0x02, which is greater than the value 0x01 of the underlying advertisement content. Therefore, the underlying advertisement content http://advertisement.co.kr/ads/adbreak1_UNDERLYING.html, which has the highest priority (that is, having the lowest priority attribute value), is broadcasted.
If required, the address of advertisement content included in a <MediaUri> element may have various formats as shown below.
1. In the case of transmitting an advertisement via web page:
http://advertisement.co.kr/ads/adbreak1_INSERTION.html
</ mpeg7:MediaUri>
2. In the case of transmitting an advertisement via Unicast:
(1) In the case of Pull method
* syntax format: protocolName://address of a content
* <mpeg7:MediaUri>
http://advertisement.co.kr/ads/adbreak1.mpg
(2) In the case of Push method
* syntax format: protocolName://unitcastIP:unitcastPort
<mpeg7:MediaUri>rtp://192.168.100.166:1234</mpeg7:MediaUri>
In the case of transmitting an advertisement via Multicast
* Syntax format: protocol://multicastIP:multicastPort
* <mpeg7:MediaUri>rtp://224.10.10.1:1234</mpeg7:MediaUri>
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims. The invention can also be embodied as computer readable codes on a computer readable recording medium. The computer readable recording medium is any data storage device that can store data which can be thereafter read by a computer system. Examples of the computer readable recording medium include read-only memory (ROM), random-access memory (RAM), CD-ROMs, magnetic tapes, floppy disks, and optical data storage devices. The invention can also be embodied as computer readable codes on a computer readable transmission medium. An example of a computer readable transmission medium is carrier waves (such as data transmission through the Internet). The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.
1. A non-transitory information storage medium storing metadata regarding a broadcasting program for providing additional content during the broadcast program, the metadata comprising:
information regarding the broadcast program;
information regarding the additional content; and
the metadata is received along with the broadcast program from a broadcast server;
wherein the information regarding the additional content comprises:
information indicating whether to reproduce second additional content instead of first additional content, which is underlying additional content of the broadcast program;
information regarding a time point to reproduce the first additional content or a time point to reproduce the second additional content which is decoded;
information indicating a duration of the first additional content or a duration of the second additional content; and
a locator of the second additional content, wherein the locator of the second additional content is written in form of uniform resource identifier (URI), wherein the locator has various formats;
wherein the information indicating whether to reproduce the second additional content comprises priority information with respect to the first additional content and the second additional content, and instructs one of the first additional content and the second additional content having a higher priority value to be reproduced, and
wherein the second additional content is reproduced instead of the first additional content in response to a priority value of the second additional content is determined to be higher than a predetermined priority value of the first additional content,
wherein the second additional content is reproduced by adjusting a priority value of one of the second additional content and the first additional content.
2. The non-transitory information storage medium of claim 1, the metadata further comprising a locator of the first additional content.
3. The non-transitory information storage medium according to claim 1, wherein the metadata comprises broadband contents guide (BCG) metadata.
4. The non-transitory information storage medium according to claim 1, wherein the priority information comprises a numerical value indicating a priority of the first additional content and the second additional content.
5. A method of providing additional content, the method comprising:
receiving metadata regarding a broadcast program along with the broadcast program from a broadcast server, the metadata comprising information regarding the broadcast program and information regarding the additional content;
decoding, using a decoder, the metadata and determining whether to reproduce second additional content instead of first additional content, wherein the first additional content is underlying additional content of the broadcast program, by using the information regarding the additional content in the metadata;
in response to the determining whether to reproduce the second additional content instead of first additional content, obtaining a locator included in the metadata of the second additional content from the information regarding the additional content in the metadata,
wherein the locator of the second additional content is written in a form of a uniform resource identifier (URI), wherein the locator has various formats;
decoding the metadata and determining a time point included in the metadata to begin reproduction of the first additional content or a time point included in the metadata to begin reproduction of the second additional content;
decoding the metadata and determining a duration included in the metadata of the first additional content or a duration of the second additional content; and
receiving the second additional content by using the obtained locator and reproducing the second additional content based on the time point to begin reproduction of the second additional; content;
wherein the determining of whether to reproduce the second additional content comprises:
comparing a priority value of the first additional content and a priority value of the second additional content, the priority values being included in the metadata; and
determining one of the first additional content and the second additional content having a higher priority value to be reproduced,
wherein the second additional content is reproduced instead of the first additional content in response to the priority value of the second additional content is determined to be higher than a predetermined priority value of the first additional content,
if it is determined to reproduce the first additional content, obtaining a locator of the first additional content from the metadata; and
receiving the first additional content by using the locator and reproducing the first additional content.
7. A non-transitory computer readable recording medium having recorded thereon a program that causes a computer to execute the method of claim 5.
8. A digital broadcast reception apparatus comprising:
a reception unit receives metadata regarding a broadcast program along with the broadcast program from a broadcast server, the metadata comprising information regarding the broadcast program and information regarding additional content, wherein the metadata further comprises:
information regarding a time point to reproduce a first additional content or a time point to reproduce a second additional content,
information indicating a duration of the first additional content and a duration of the second additional content, and
a locator of the second additional content, wherein the locator of the second additional content is written in a form of a uniform resource identifier (URI), wherein the locator has various formats;
a playback unit produces data received by the reception unit; and
a control unit determines whether to reproduce the second additional content instead of the first additional content, wherein the first additional content is underlying additional content of the broadcast program included in the metadata, by using the information regarding the additional content in the metadata,
the control unit decodes the metadata and determines the time point to begin reproduction of the first additional content or the time point to begin reproduction of the second additional content, and
in response to determining whether to reproduce the second additional content instead of first additional content, controls the reception unit and the playback unit to receive the second additional content by using the locator of the second additional content and to reproduce the second additional content based on the time point to reproduce the second additional content,
wherein the control unit compares a priority value of the first additional content and a priority value of the second additional content and determines the additional content having a higher priority to be reproduced, wherein the first priority value and the second priority value are included in the metadata,
wherein the second additional content is reproduced instead of the first additional content when a priority value of the second additional content is determined to be higher than a predetermined priority value of the first additional content,
9. The digital broadcast reception apparatus of claim 8, wherein, if it is determined to reproduce the first additional content, the control unit controls the reception unit and the playback unit to receive the first additional content by using a locator thereof included in the metadata and to reproduce the first additional content.
US12361137 2008-01-29 2009-01-28 Information storage medium storing metadata and method of providing additional contents, and digital broadcast reception apparatus Active 2030-02-26 US8973028B2 (en)
US2431408 true 2008-01-29 2008-01-29
KR10-2008-0126575 2008-12-12
KR20080126575A KR20090083273A (en) 2008-01-29 2008-12-12 Information storage medium storing metadata and method for providing additional contents, and apparatus for receiving digital broadcast
US12361137 US8973028B2 (en) 2008-01-29 2009-01-28 Information storage medium storing metadata and method of providing additional contents, and digital broadcast reception apparatus
US20090193456A1 true US20090193456A1 (en) 2009-07-30
US8973028B2 true US8973028B2 (en) 2015-03-03
ID=40900561
US12361137 Active 2030-02-26 US8973028B2 (en) 2008-01-29 2009-01-28 Information storage medium storing metadata and method of providing additional contents, and digital broadcast reception apparatus
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