System and method for retrieving, storing and distributing digital broadcast media in a cloud-computing environment

• US 9,112,943 B1
• Filed: 03/08/2013
• Issued: 08/18/2015
• Est. Priority Date: 04/06/2012
• Status: Expired due to Fees

• Current Assignee: Samsung Research America (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Research America (Samsung Electronics Co. Ltd.)
• Inventors: Vulkan, Roee
• Primary Examiner(s): Shang, Annan
• Application Number:
  US13/790,853
• Time in Patent Office: 893 Days
• Field of Search: 725/109, 725114-116, 725/93, 725/78, 725/80, 725/82, 725131-134, 725139-142, 725151-153, 709/231
• US Class Current: 1/1
• CPC Class Codes: H04L 65/612 for unicast
• CPC Class Codes: H04L 65/762 at the source reformatting of additional data in video distribution servers H04N21/2355
• CPC Class Codes: H04L 67/568 Storing data temporarily at an intermediate stage, e.g. caching
• CPC Class Codes: H04N 21/25866 Management of end-user data customer care in data networks H04L41/5077
• CPC Class Codes: H04N 21/2747 Remote storage of video programs received via the downstream path, e.g. from the server
• CPC Class Codes: H04N 21/632 using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices broadcast-related systems characterised by transmission among terminal devices H04H60/80; distributed application using peer-to-peer [P2P] networks H04L67/104
• CPC Class Codes: H04N 21/8352 involving content or source identification data, e.g. Unique Material Identifier [UMID]
• CPC Class Codes: H04N 21/8456 by decomposing the content in the time domain, e.g. in time segments

Abstract

Systems and methods for retrieving, storing and distributing multimedia content in a cloud computing environment. The multimedia content may be divided into a plurality of segments using a multimedia content receiving device. The method of retrieving, storing and distributing multimedia content may include receiving a first segment of a plurality segments of the multimedia content from a first multimedia content receiving device coupled to a communication network and receiving a second segment of the plurality of segments of the multimedia content from a second multimedia content receiving device coupled to a communication network. The method may further include storing the first and the second segments on a network storage device. The systems and methods permit users to upload multimedia content, store it in the cloud, and watch it back on a variety of different multimedia devices.

Claims

1. A method of retrieving, storing and distributing multimedia content, the method comprising:

receiving, by a network storage device coupled to a communication network, a first segment of a plurality segments of the multimedia content from a first multimedia content receiving device coupled to the communication network;

receiving, by the network storage device, a second segment of the plurality of segments of the multimedia content from a second multimedia content receiving device coupled to the communication network, the second multimedia content receiving device being different than the first multimedia content receiving device and the second segment being different than the first segment; and

storing the first segment and the second segment on the network storage device;

wherein each multimedia content receiving device is capable of retrieving and displaying at least one of the plurality of segments stored on the network storage device at a later time;

wherein each segment of the plurality of segments has corresponding identification information; and

wherein the network storage device determines whether to request a segment of the plurality of segments from a multimedia content receiving device for storage on the network storage device based on corresponding identification information for the segment.

2. The method of claim 1, wherein the plurality of segments are non-overlapping segments.

3. The method of claim 1, further comprising:

receiving, by the network storage device, corresponding identification information for the first segment from the first multimedia content receiving device; and

determining, by the network storage device, whether the first segment is stored on the network storage device based on the corresponding identification information for the first segment.

4. The method of claim 3, further comprising:

in response to determining that the first segment is not stored on the network storage device, the network storage device sending a first request to the first multimedia content receiving device requesting the first multimedia content receiving device to upload the first segment to the network storage device via the communication network; and

in response to determining that the first segment is stored on the network storage device, the network storage device sending a message to the first multimedia content receiving device confirming that the first segment is stored on the network storage device, wherein the first multimedia content receiving device may delete the first segment from the first multimedia content receiving device upon receiving the message.

5. The method of claim 4, further comprising:

receiving, by the network storage device, corresponding identification information for the second segment from the second multimedia content receiving device; and

determining, by the network storage device, whether the second segment is stored on the network storage device based on the corresponding identification information for the second segment.

6. The method of claim 5, wherein in response to determining that the second segment is not stored on the network storage device, the method further comprises sending a second request to the second multimedia content receiving device requesting the second multimedia content receiving device to upload the second segment to the network storage device via the communication network.

7. The method of claim 6, further comprising assigning a unique identifier to each segment of the plurality of segments, wherein the unique identifier is included in corresponding identification information for the segment, and wherein the unique identifier includes is based on one of the following:

a hash value of the segment, and a unique identifying portion of the segment.

8. The method of claim 7, wherein determining whether the first segment is stored on the network storage device based on corresponding identification information for the first segment includes determining whether a unique identifier assigned to a segment stored on the network storage device is the same as a unique identifier assigned to the first segment.

9. The method of claim 8, wherein determining whether the second segment is stored on the network storage device based on corresponding identification information for the second segment includes determining whether a unique identifier assigned to a segment stored on the network storage device is the same as a unique identifier assigned to the second segment.

10. The method of claim 6, further comprising sending, to the first multimedia content receiving device, a first command directing the first multimedia content receiving device to tune into a channel broadcasting the multimedia content.

11. The method of claim 10, further comprising sending, to the second multimedia content receiving device, a second command directing the second multimedia content receiving device to tune into the channel broadcasting the multimedia content.

12. The method of claim 1, further comprising:

receiving, by the network storage device, a request from a user device operatively coupled to the communication network to access at least one of the plurality of segments stored on the network storage device;

wherein the network storage device includes a cloud storage environment.

13. The method of claim 12, further comprising sending at least one of the plurality of segments from the network storage device to the user device through the communication network in response to receiving the request from the user device.

14. The method of claim 13, further comprising formatting the plurality of segments of the multimedia content in one of a plurality of formats compatible with the user device prior to sending at least one of the plurality of segments from the network storage device to the user device.

15. The method of claim 12, further comprising determining, in response to receiving the request from the user device, whether the user device is associated by subscription with at least one of the first multimedia content receiving device and the second multimedia content receiving device, and sending at least one of the plurality of segments of the multimedia content from the network storage device to the user device only if the user device is determined to be associated by subscription with the at least one of the first multimedia content receiving device and the second multimedia content receiving device.

16. A method of retrieving, storing and distributing multimedia content, the method comprising:

receiving at least a portion of the multimedia content from a content provider using a multimedia content receiving device;

dividing the received portion of the multimedia content into a plurality of segments of the multimedia content using the multimedia content receiving device; and

uploading at least one of the plurality of segments from the multimedia content receiving device to a network storage device via a communication network;

wherein the multimedia content receiving device is capable of retrieving and displaying at least one of the plurality of segments uploaded to the network storage device at a later time;

wherein each segment of the plurality of segments has corresponding identification information; and

wherein a determination of whether to upload a segment of the plurality of segments from the multimedia content receiving device to the network storage device is based on corresponding identification information for the segment.

17. The method of claim 16, wherein the plurality of segments are non-overlapping segments.

18. The method of claim 16, further comprising receiving, from the network storage device via the communication network, a request to upload the at least one of the

plurality of segments of the multimedia content to the network storage device, and in response thereto, uploading the at least one of the plurality of segments of the multimedia content to the network storage device.

19. The method of claim 18, further comprising receiving, from the network storage device via the communication network, a command directing the multimedia content receiving device to tune into a channel broadcasting the multimedia content, and in response thereto, tuning the multimedia content receiving device into the channel broadcasting the multimedia content.

20. The method of claim 16, further comprising sending a communication to the network storage device via the communication network identifying each segment of the plurality of segments of the received portion of the multimedia content.

21. The method of claim 20, wherein the communication uniquely identifies each segment of the plurality of segments of the received portion of the multimedia content and wherein the communication further includes at least one of a unique identifier of the multimedia content receiving device, a signal frequency of a channel over which the received portion of the multimedia content was received, a channel identifier of the channel over which the received portion of the multimedia content was received, and a timestamp indicative of a time at which each segment of the plurality of segments of the received portion of the multimedia content was received.

22. The method of claim 21, wherein:

the received portion of the multimedia content is a first received portion of the multimedia content;

the plurality of segments is a first plurality of segments;

the communication is a first communication; and

the method further comprising;

receiving a second portion of the multimedia content;

dividing the second received portion of the multimedia content into a second

plurality of segments of the multimedia content using the multimedia content receiving device; and

sending a second communication the network storage device via the communication network identifying each segment of the second plurality of segments of the multimedia content.

23. The method of claim 16, further comprising sending a communication to the network storage device via the communication network identifying each segment of the plurality of segments of the received portion of the multimedia content that is available for uploading.

24. The method of claim 23, further comprising:

receiving, from the network storage device via the communication network, a request to upload the plurality of segments to the network storage device, the request uniquely identifying each of the plurality of segments and a desired order in which the plurality of segments are to be uploaded;

requesting confirmation from the network storage device to upload each of the plurality of segments of the multimedia content in the desired order; and

uploading the at least one of the plurality of segments to the network storage device in the desired order in response to confirmation from the network storage device.

25. The method of claim 16, further comprising notifying the network storage device via the communication network that the at least one of the plurality of segments is being uploaded.

26. A system for retrieving, storing and distributing multimedia content comprising:

a network storage device operatively coupled to a communication network, the network storage device including a storage medium and a processor configured to;

receive a first segment of a plurality of segments of the multimedia content from a first multimedia content receiving device operatively coupled to the communication network;

receive a second segment of the plurality of segments from a second multimedia content receiving device operatively coupled to the communication network, the second multimedia content receiving device being different than the first multimedia content receiving device and the second segment being different than the first segment; and

store the first segment and the second segment on the storage medium;

wherein each multimedia content receiving device is capable of retrieving and displaying at least one of the plurality of segments stored on the storage medium at a later time;

wherein each segment of the plurality of segments has corresponding identification information; and

wherein the network storage device determines whether to request a segment of the plurality of segments from a multimedia content receiving device for storage on the network storage device based on corresponding identification information for the segment.

27. The system of claim 26, wherein the plurality of segments are non-overlapping segments.

28. The system of claim 26, wherein the processor is further configured to:

receive corresponding identification information for the first segment from the first multimedia content receiving device; and

determine whether the first segment is stored on the storage medium based on the corresponding identification information for the first segment.

29. The system of claim 28, wherein:

in response to determining that the first segment is not stored on the storage medium, the processor is further configured to send a first request to the first multimedia content receiving device requesting the first multimedia content receiving device to upload the first segment to the network storage device via the communication network; and

in response to determining that the first segment is stored on the network storage device, the processor is further configured to send a message to the first multimedia content receiving device confirming that the first segment is stored on the network storage device, wherein the first multimedia content receiving device may delete the first segment from the first multimedia content receiving device upon receiving the message.

30. The system of claim 29, wherein the processor is further configured to:

receive corresponding identification information for the second segment from the second multimedia content receiving device; and

determine whether the second segment is stored on the storage medium based on the corresponding identification information for the second segment.

31. The system of claim 30, wherein the processor is further configured to send a second request to the second multimedia content receiving device requesting the second multimedia content receiving device to upload the second segment to the network storage device via the communication network in response to determining that the second segment is not stored on the storage medium.

32. The system of claim 31, wherein the processor is further configured to receive a unique identifier for each segment of the plurality of segment, wherein the unique identifier is included in corresponding identification information for the segment, and wherein the unique identifier includes is based on one of the following:

a hash value of the segment, and a unique identifying portion of the segment.

33. The system of claim 32, wherein the processor is further configured to determine whether a unique identifier assigned to a segment stored on the network storage device is the same as a unique identifier assigned to the first segment.

34. The system of claim 33, wherein the processor is further configured to determine whether a unique identifier assigned to a segment stored on the network storage device is the same as a unique identifier assigned to the second segment.

35. The system of claim 31, wherein the processor is further configured to send, to the first multimedia content receiving device, a first command directing the first multimedia content receiving device to tune to a channel broadcasting the multimedia content.

36. The system of claim 35, wherein the processor is further configured to send, to the second multimedia content receiving device, a second command directing the second multimedia content receiving device to tune to the channel broadcasting the multimedia content.

37. The system of claim 26, wherein:

the processor is further configured to receive a request from a user device operatively coupled to the communication network to send at least one of the plurality of segments stored on the storage medium to the user device via the communication network; and

the storage medium includes a cloud storage environment.

38. The system of claim 37, wherein the processor is further configured to send at least one of the plurality of segments from the network storage device to the user device through the communication network in response to receiving the request from the user device.

39. The system of claim 38, wherein the processor is further configured to format the plurality of segments in one of a plurality of formats compatible with the user device prior to sending at least one of the plurality of segments from the network storage device to the user device.

40. The system of claim 37, wherein the processor is further configured to determine, in response to receiving the request from the user device, whether the user device is associated by subscription with at least one of the first multimedia content receiving device and the second multimedia content receiving device, and to send at least one of the plurality of segments of the multimedia content from the network storage device to the user device only if the user device is determined to be associated by subscription with the at least one of the first multimedia content receiving device and the second multimedia content receiving device.

41. A non-transitory computer readable medium having stored thereon sequences of instructions including instructions that will cause a processor of a network storage device having a storage medium therein and being operatively coupled to a communication network to:

receive a first segment of a plurality of segments of the multimedia content from a first multimedia content receiving device operatively coupled to the communication network;

receive a second segment of the plurality of segments from a second multimedia content receiving device operatively coupled to the communication network, the second multimedia content receiving device being different than the first multimedia content receiving device and the second segment being different than the first segment; and

store the first segment and the second segment on the storage medium;

wherein each multimedia content receiving device is capable of retrieving and displaying at least one of the plurality of segments stored on the storage medium at a later time;

wherein each segment of the plurality of segments has corresponding identification information; and

wherein the network storage device determines whether to request a segment of the plurality of segments from a multimedia content receiving device for storage on the network storage device based on corresponding identification information for the segment.

42. The non-transitory computer readable medium of claim 41, wherein the plurality of segments are non-overlapping segments.

43. The non-transitory computer readable medium of claim 41, further including an instruction to cause the processor to:

receive corresponding identification information for the first segment from the first multimedia content receiving device; and

determine whether the first segment is stored on the storage medium based on the corresponding identification information for the first segment.

44. The non-transitory computer readable medium of claim 43, further including:

an instruction to cause the processor to send, in response to determining that the first segment is not stored on the storage medium, a first request to the first multimedia content receiving device requesting the first multimedia content receiving device to upload the first segment to the network storage device via the communication network in response to determining that the first segment is not stored on the storage medium; and

an instruction to cause the processor to send, in response to determining that the first segment is stored on the storage medium, a message to the first multimedia content receiving device confirming that the first segment is stored on the storage medium, wherein the first multimedia content receiving device may delete the first segment from the first multimedia content receiving device upon receiving the message.