Peer to peer media distribution system and method

• US 8,589,973 B2
• Filed: 09/14/2006
• Issued: 11/19/2013
• Est. Priority Date: 09/14/2006
• Status: Expired due to Fees

• Current Assignee: Sbc Knowledge Ventures, L.P.
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Chen, Yih-Farn, Gibbon, David Crawford, Liu, Zhu, Shahraray, Behzad, Wei, Bin
• Primary Examiner(s): TAYLOR, JOSHUA D
• Application Number:
  US11/521,572
• Publication Number:
  US 20080086754A1
• Time in Patent Office: 2,623 Days
• Field of Search: 725/105
• US Class Current: 725/34
• CPC Class Codes: H04L 65/1101 Session protocols
• CPC Class Codes: H04L 65/613 for the control of the source by the destination control signals issued by the client directed to the server or network components specially adapted for selective content distribution H04N21/637
• CPC Class Codes: H04L 65/70 Media network packetisation
• CPC Class Codes: H04L 65/764 at the destination reformatting of additional data in video clients H04N21/4355
• CPC Class Codes: H04L 67/306 User profiles
• CPC Class Codes: H04N 21/21815 comprising local storage units
• CPC Class Codes: H04N 21/2543 Billing , e.g. for subscription services payment schemes, architectures or protocols G06Q20/00; e-commerce G06Q30/00; arrangements for billing for the use of broadcast information or broadcast-related information H04H60/21
• CPC Class Codes: H04N 21/25825 involving client display capabilities, e.g. screen resolution of a mobile phone optimising the visualisation of content during browsing in the Internet G06F16/9577; processing of terminal status or physical abilities in wireless networks H04W8/22; authentication in wireless network security H04W12/06
• CPC Class Codes: H04N 21/278 Content descriptor database or directory service for end-user access details of content or meta data based information retrieval of video data in video databases G06F16/739
• CPC Class Codes: H04N 21/4348 Demultiplexing of additional data and video streams
• CPC Class Codes: H04N 21/4532 involving end-user characteristics, e.g. viewer profile, preferences monitoring of user activities for profile generation for accessing a video database G06F16/739; user profiles in network data switching protocols H04L67/306; processing of user preferences or user profiles in wireless networks H04W8/18
• CPC Class Codes: H04N 21/47202 for requesting content on demand, e.g. video on demand
• CPC Class Codes: H04N 21/4755 for defining user preferences, e.g. favourite actors or genre retrieval personalisation and generation of user profiles for the retrieval of video data G06F16/739; user profiles in network data switching protocols H04L67/306
• CPC Class Codes: H04N 21/4788 communicating with other users, e.g. chatting arrangements for providing for computer conferences, e.g. chat rooms, to substation in data switching networks H04L12/1813; distributed application using peer-to-peer [P2P] networks H04L67/104
• CPC Class Codes: H04N 21/4882 for displaying messages, e.g. warnings, reminders arrangements for providing short real-time information to substation in data switching networks H04L12/1895
• CPC Class Codes: H04N 21/8133 specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
• 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 7/17318 Direct or substantially direct transmission and handling of requests

Abstract

A method is disclosed that includes receiving a multimedia data stream comprising audio data, video data, and text data at a first electronic device of a plurality of electronic devices responsive to a network. A content structure of the multimedia data stream is automatically determined at least partially based on the text data. The portion of multimedia data stream is stored in a local media database and the associated content structure is stored in a local content index. A network index alert is generated to update a centralized content index of available media content via the network.

Claims

1. A method comprising:

receiving a multimedia data stream comprising audio data, video data, and text data at a first electronic device of a plurality of electronic devices responsive to a network;

automatically identifying discrete segments of the multimedia data stream at least partially based on the text data, wherein the discrete segments are related to different topics;

storing at least a portion of the multimedia data stream in a local media database;

creating a text-based description of at least a first discrete segment of the discrete segments of the multimedia data stream based at least partially on information in the multimedia data stream;

automatically determining a table of contents of the multimedia data stream at least partially based on the text-based description, wherein the table of contents includes information related to the different topics to which the discrete segments are related;

categorizing at least one of the discrete segments of the multimedia data stream in one of a plurality of searchable categories based on the text-based description;

in response to receiving the multimedia data stream, generating a network index alert to update a centralized content index of media content available via the network, wherein the centralized content index includes information about media content stored at the first electronic device and information about media content stored at the plurality of electronic devices;

establishing a peer to peer connection between the first electronic device at a first end user location and a second electronic device at a second end user location;

sharing the multimedia data stream with the second electronic device;

searching the text-based description for one or more keywords; and

generating a content alert message when the text-based description includes at least one of the one or more keywords,

wherein searching the text-based description comprises periodically searching a memory of the first electronic device and periodically searching the centralized content index to identify particular discrete segments of media content that are associated with information related to at least one keyword of the one or more keywords and

wherein the centralized content index is at a network device configured to receive an electronic payment from the second electronic device.

2. The method of claim 1, wherein the network index alert includes the text-based description of at least the first discrete segment, information associated with the table of contents, and a unique identifier.

3. The method of claim 2, further comprising:

automatically searching a local content index of the first electronic device and automatically searching the centralized content index using one or more keywords from a consumer profile associated with the first electronic device; and

automatically sending a personal media alert to a display device coupled to the first electronic device when at least one keyword of the one or more keywords is found.

4. The method of claim 3, wherein the personal media alert includes a user selectable list of available media content that matches at least one keyword of the one or more keywords, wherein each element in the user selectable list comprises a representative image related to a particular discrete segment of media content, a text-based description of the particular segment of the media content, information associated with a table of contents of the media content, and the unique identifier.

5. The method of claim 4, further comprising:

in response to receiving input selecting a particular list element that is associated with a third electronic device from the user selectable list, transmitting a request for the particular list element to the third electronic device, the request including a device identifier associated with the first electronic device, a unique identifier associated with the particular list element, and payment information; and

receiving a multimedia data stream related to the particular list element from the third electronic device.

6. The method of claim 1, wherein the text data comprises closed-caption text within the multimedia data stream and electronic program guide data associated with the multimedia data stream.

7. The method of claim 1, further comprising:

generating a text transcription from the audio data using a speech recognition module, the text transcription including timing information, wherein the timing information is synchronized with the video data;

extracting the text data from the multimedia data stream; and

aligning the text data to the timing information to synchronize the text data with the video data.

8. The method of claim 1, wherein automatically identifying discrete segments of the multimedia data stream includes identifying scene transitions within a single program based on the video data.

9. The method of claim 1, wherein automatically identifying discrete segments of the multimedia data stream includes identifying commercials in the multimedia data stream.

10. An electronic device, comprising:

a memory;

a network interface responsive to a network;

an acquisition module coupled to the network interface, the acquisition module configured to capture a multimedia data stream;

a processing module coupled to the acquisition module, the processing module configured to;

automatically identify discrete segments of the multimedia data stream, wherein the discrete segments are related to different topics;

extract a representative image for at least one discrete segment;

automatically generate a text description of the at least one discrete segment from information in the multimedia data stream; and

categorize the at least one discrete segment in one of a plurality of searchable categories based on the text description, wherein the processing module stores the at least one discrete segment in a local content database and stores the representative image and the text description in a local content index;

an alert generation module configured to;

generate, in response to capturing the multimedia data stream, a network index alert to update a centralized content index of media content available via the network, wherein the centralized content index includes information about media content stored at the electronic device;

search the text description for one or more keywords; and

generate a content alert message when the text description includes at least one of the one or more keywords,

wherein searching the text description comprises periodically searching the memory and periodically searching the centralized content index to identify particular discrete segments of media content that include information related to at least one keyword of the one or more keywords;

a personal media alert module configured to;

search the local content index and the centralized content index for keywords associated with a consumer profile; and

send an alert including information identifying segments of media content associated with at least one of the keywords that are listed in the local content index and the centralized content index to a display device coupled to the electronic device, wherein the centralized content index identifies discrete segments of media content stored at a second electronic device that is remote from the electronic device and remote from a network device that stores the centralized content index; and

a peer to peer module configured to;

establish a peer to peer connection with the second electronic device; and

share the at least one discrete segment of the multimedia data stream with the second electronic device,

wherein the network device is configured to receive an electronic payment from the second electronic device.

11. The electronic device of claim 10, wherein the personal media alert module is configured to:

detect a change in the local content index;

generate a content index update; and

send the content index update to the network device that stores the centralized content index via the network,

wherein the content index update includes the text description of the at least one discrete segment.

12. The electronic device of claim 10, further comprising a local billing module configured to:

record a request for local content from the second electronic device in a usage log, the local billing module to receive the electronic payment; and

direct a portion of the electronic payment to an owner of the multimedia data stream.

13. The electronic device of claim 12, wherein the owner comprises a copyright owner of the at least one discrete segment of the multimedia data stream.

14. The electronic device of claim 10, further comprising a second network interface coupled to the acquisition module and responsive to a proprietary network, wherein the second network interface is configured to:

receive a broadcast multimedia data stream; and

provide the broadcast multimedia data stream to the acquisition module.

15. The electronic device of claim 10, further comprising:

an input interface; and

an input device operable to configure the consumer profile to include one or more keywords related to subject matter of interest to a user of the electronic device.

16. The electronic device of claim 10, further comprising a billing module configured to:

record requests to access the discrete segments in a usage log; and

send a single billing transaction request based on the usage log to a payment system after a predetermined number of requests have been recorded.

17. The electronic device of claim 10, further comprising a speaker boundary detection module configured to generate speaker boundary information based on audio content of the multimedia data stream, wherein the speaker boundary information is used to identify the discrete segments of the multimedia data stream.

18. A method of distributing media content, the method comprising:

receiving a multimedia data stream associated with a single program at a first electronic device of a plurality of electronic devices responsive to a network, the first electronic device associated with a first customer;

identifying boundaries within the multimedia data stream based on content of the multimedia data stream;

automatically segmenting the multimedia data stream into discrete segments of media content based on the boundaries;

generating a text description of each of the discrete segments based at least partially on information in the discrete segments;

categorizing the discrete segments into one or more categories of a plurality of searchable categories based on the text description of each of the discrete segments;

storing the discrete segments and the text descriptions in a memory of the first electronic device, wherein a local content index in the memory includes table of contents information of the multimedia data stream based on the discrete segments of the media content;

in response to receiving the multimedia data stream, generating a network index alert to update a centralized content index of media content available via the network, wherein the centralized content index includes information about media content stored at the first electronic device and information about media content stored at the plurality of electronic devices;

establishing a peer to peer connection between the first electronic device and a second electronic device;

sharing the multimedia data stream with the second electronic device;

searching the text description for one or more keywords; and

generating a content alert message when the text description includes at least one of the one or more keywords,

wherein searching the text description comprises periodically searching the memory and periodically searching the centralized content index to identify particular discrete segments of media content that are associated with information related to at least one keyword of the one or more keywords and

wherein the centralized content index is at a network device configured to receive an electronic payment from the second electronic device.

19. The method of claim 18, wherein the content of the multimedia data stream includes a news story.

20. The method of claim 18, wherein the payment is received after transferring at least one of the discrete segments to the second electronic device.

21. The method of claim 18, wherein determining the text description of the one or more discrete segments comprises identifying content of the multimedia data stream that includes a name of at least one country, person, or location.

22. The method of claim 18, further comprising accessing a text transcript of audio data of the multimedia data stream, wherein the text transcript is not included in the multimedia data stream, wherein the text transcript includes timing information to synchronize text of the text transcript with video data of the multimedia data stream, and wherein the multimedia data stream is segmented at least partially based on the text transcript.

23. A computer-readable storage device storing instructions that, when executed by a processor, cause the processor to perform operations comprising:

identifying boundaries within a multimedia data stream of a first electronic device based on content of the multimedia data stream, wherein the multimedia data stream is associated with a single program;

segmenting the multimedia data stream into data segments based on the boundaries;

automatically generating text descriptions of the data segments using information in the data segments;

categorizing each of the data segments into one or more searchable categories based on the text descriptions;

transmitting a first data segment of the data segments to a remote electronic device;

generating a network index alert to update a centralized content index at a network device configured to receive an electronic payment from the remote electronic device;

establishing a peer to peer connection between the first electronic device and the electronic device;

searching the text descriptions for one or more keywords; and

generating a content alert message when the text descriptions include at least one of the one or more keywords,

wherein searching the text descriptions comprises periodically searching a memory of the first electronic device and periodically searching the centralized content index to identify particular discrete segments of media content that are associated with text descriptions that include information related to at least one keyword of the one or more keywords.

24. The computer-readable storage device of claim 23, wherein the operations further comprise generating a personal media alert to a first user when the text descriptions include at least one keyword of a set of keywords associated with a profile of the first user.

25. The computer-readable storage device of claim 23, wherein the centralized content index identifies discrete segments of media content stored at a plurality of electronic devices that are remote from the first electronic device and remote from the network device that stores the centralized content index, and wherein the network index alert includes the text descriptions and a representative image associated with each of the one or more data segments.

26. The computer-readable storage device of claim 23, wherein the operations further comprise streaming a particular data segment of the one or more data segments to the remote electronic device.

27. The computer-readable storage device of claim 23, wherein the operations further comprise:

aggregating information regarding the electronic payment;

executing the electronic payment after a number of micropayments are received; and

compensating a content owner of the multimedia data stream using at least a portion of the micropayments.

28. The computer-readable storage device of claim 23, wherein the boundaries are identified based at least partially on an identified speaker associated with a particular portion of the multimedia data stream.