EXTENSIONS TO TRIGGER PARAMETERS TABLE FOR INTERACTIVE TELEVISION

• US 20130024897A1
• Filed: 06/19/2012
• Published: 01/24/2013
• Est. Priority Date: 07/20/2011
• Status: Active Grant

• Current Assignee: Saturn Licensing LLC (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: EYER, Mark
• Granted Patent: US 8,925,016 B2
• Time in Patent Office: Days
• US Class Current: 725/50
• CPC Class Codes: H04H 60/13 Arrangements for device control affected by the broadcast information
• CPC Class Codes: H04N 21/433 Content storage operation, e.g. storage operation in response to a pause request, caching operations
• CPC Class Codes: H04N 21/4348 Demultiplexing of additional data and video streams
• CPC Class Codes: H04N 21/435 Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
• CPC Class Codes: H04N 21/44008 involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream arrangements characterised by components specially adapted for monitoring, identification or recognition of video in broadcast systems H04H60/59
• CPC Class Codes: H04N 21/4622 Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet web site content organization and management for information retrieval from the Internet G06F16/958; transmission by internet of broadcast information H04H60/82; stock exchange data over packet-switching network H04L12/1804; push services including data channel over packet-switching network H04L12/1859
• CPC Class Codes: H04N 21/4888 for displaying teletext characters
• CPC Class Codes: H04N 21/6112 involving terrestrial transmission, e.g. DVB-T
• CPC Class Codes: H04N 21/6118 involving cable transmission, e.g. using a cable modem
• CPC Class Codes: H04N 21/6125 involving transmission via Internet transmission by internet of broadcast information H04H60/82
• CPC Class Codes: H04N 21/6143 involving transmission via a satellite
• CPC Class Codes: H04N 21/647 Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless real-time session protocols H04L65/1101
• CPC Class Codes: H04N 21/84 Generation or processing of descriptive data, e.g. content descriptors systems specially adapted for using meta-information in broadcast systems H04H60/73
• CPC Class Codes: H04N 21/8543 using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML] information retrieval of semistructured data, the underlying structure being taken into account, e.g. mark-up language structure data G06F16/80

Abstract

A method, computer program, and reception apparatus, and information providing apparatus. The method includes receiving content from a content source, and displaying the received content on a display. A first trigger is extracted from closed caption data associated with the received content. The reception apparatus retrieves a trigger parameters table (TPT) based on the extracted first trigger. The TPT includes at least one event associated with one or a combination of a trigger identifier and a first media time of the received content, and is stored in a memory of the reception apparatus. Further, the reception apparatus processes the event based on one or a combination of a second trigger including the trigger identifier and the first media time equaling a current media time of the received content.

Claims

1. A method of a reception apparatus for processing triggers, comprising:

receiving content from a content source;

displaying the received content on a display;

extracting a first trigger from closed caption data associated with the received content;

retrieving, by the reception apparatus, a trigger parameters table (TPT) based on the extracted first trigger, the TPT including at least one event associated with one or a combination of a trigger identifier and a first media time of the received content;

storing the TPT in a memory of the reception apparatus; and

processing, by the reception apparatus, the event based on one or a combination of a second trigger including the trigger identifier and the first media time equaling a current media time of the received content.

2. The method according to claim 1, wherein the step of receiving content comprises:

receiving the content via at least one of a satellite broadcast, a cable television transmission, a terrestrial television broadcast, and the Internet.

3. The method according to claim 1, wherein the step of retrieving the TPT comprises:

processing a Program Map Table (PMT) of a broadcast virtual channel associated with the received content;

processing a Service Signaling Channel (SSC) to retrieve a Service Map Table (SMT);

discovering coordinates of a File Delivery over Unidirectional Transport (FLUTE) session;

acquiring a FLUTE File Delivery Table (FDT);

comparing a locator-part of the first trigger against Content-Location values in the FLUTE FDT until a match is found; and

retrieving the TPT based on the matched Content-Location value.

4. The method according to claim 1, wherein the step of retrieving the TPT comprises:

performing an Internet http GET using a locator-part of the first trigger.

5. The method according to claim 1, wherein the step of extracting the first trigger comprises:

extracting the first trigger from non-closed caption text data within a service block having a service number in the range of 1-6.

6. The method according to claim 1, wherein the step of extracting the first trigger comprises:

extracting the first trigger from non-closed caption text data within a service block having a service number of 6.

7. The method according to claim 1, further comprising:

extracting the second trigger including a second media time from the closed caption data associated with the received content; and

determining the current media time based on the second media time.

8. The method according to claim 1, further comprising:

extracting the second trigger indicating that the event is to be retimed to a second media time from the closed caption data associated with the received content; and

associating the event included in the TPT stored in the memory with the second media time.

9. The method according to claim 1, further comprising:

extracting the second trigger from the closed caption data associated with the received content, the second trigger indicating immediate execution of the event associated with the trigger id,

wherein the step of processing comprises immediately processing the event associated with the trigger id.

10. A non-transitory computer-readable storage medium having embedded therein instructions, which when executed by a computer, causes the computer to perform a method of a reception apparatus for processing triggers, the method comprising:

receiving content from a content source;

displaying the received content on a display;

extracting a first trigger from closed caption data associated with the received content;

retrieving, by the reception apparatus, a trigger parameters table (TPT) based on the extracted first trigger, the TPT including at least one event associated with one or a combination of a trigger identifier and a first media time of the received content;

storing the TPT in a memory of the reception apparatus; and

processing, by the reception apparatus, the event based on one or a combination of a second trigger including the trigger identifier and the first media time equaling a current media time of the received content.

11. A reception apparatus, comprising:

a receiver configured to receive content from a content source;

a display interface configured to display the received content;

an extraction unit configured to extract a first trigger from closed caption data associated with the received content; and

a processor configured to

retrieve a trigger parameters table (TPT) based on the extracted first trigger, the TPT including at least one event associated with one or a combination of a trigger identifier and a first media time of the received content,

store the TPT in a memory of the reception apparatus, and

process the event based on one or a combination of a second trigger including the trigger identifier and the first media time equaling a current media time of the received content.

12. The reception apparatus according to claim 11, wherein

the receiver is configured to receive the content via at least one of a satellite broadcast, a cable television transmission, a terrestrial television broadcast, and the Internet.

13. The reception apparatus according to claim 11, wherein the processor is configured to

process a Program Map Table (PMT) of a broadcast virtual channel associated with the received content;

process a Service Signaling Channel (SSC) to retrieve a Service Map Table (SMT);

discover coordinates of a File Delivery over Unidirectional Transport (FLUTE) session;

acquire a FLUTE File Delivery Table (FDT);

compare a locator-part of the first trigger against Content-Location values in the FLUTE FDT until a match is found; and

retrieve the TPT based on the matched Content-Location value.

14. The reception apparatus according to claim 11, wherein

the processor is configured to perform an Internet http GET using a locator-part of the first trigger to retrieve the TPT.

15. The reception apparatus according to claim 11, wherein

the extraction unit is configured to extract the first trigger from non-closed caption text data within a service block having a service number in the range of 1-6.

16. The reception apparatus according to claim 11, wherein

the extraction unit is configured to extract the first trigger from non-closed caption text data within a service block having a service number of 6.

17. The reception apparatus according to claim 11, wherein

the extraction unit is configured to extract the second trigger including a second media time from the closed caption data associated with the received content;

and

the processor is configured to determine the current media time based on the second media time.

18. The reception apparatus according to claim 11, wherein

the extraction unit is configured to extract the second trigger indicating that the event is to be retimed to a second media time from the closed caption data associated with the received content;

and

the processor is configured to associate the event included in the TPT stored in the memory with the second media time in response to the second trigger.

19. The reception apparatus according to claim 11, wherein

the extraction unit is configured to extract the second trigger from the closed caption data associated with the received content, the second trigger indicating immediate execution of the event associated with the trigger id, and

the processor is configured to immediately process the event associated with the trigger id in response to the second trigger.

20. An information providing apparatus, comprising:

a memory configured to store a trigger parameters table (TPT), the TPT including at least one event associated with one or a combination of a trigger identifier and a media time of content to be provided to a reception apparatus; and

a communication unit configured to provide the TPT to the reception apparatus, the TPT being provided at a location identified in a trigger included within closed caption data associated with the content provided to the reception apparatus.