Contents forming method and contents reproducing apparatus and method

• US 20030163430A1
• Filed: 11/19/2002
• Published: 08/28/2003
• Est. Priority Date: 05/26/2000
• Status: Active Grant

• Current Assignee: Canon Ayutthaya Limited (Canon Inc.)
• Original Assignee: Canon Ayutthaya Limited (Canon Inc.)
• Inventors: Takaku, Masahiko
• Granted Patent: US 7,099,491 B2
• Time in Patent Office: Days
• US Class Current: 705/52
• CPC Class Codes: H04N 21/234318 by decomposing into objects, e.g. MPEG-4 objects
• CPC Class Codes: H04N 21/2347 involving video stream encryption
• CPC Class Codes: H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
• CPC Class Codes: H04N 21/2541 Rights Management protecting software against unauthorised usage in a vending or licensing environment G06F21/10; security in data switching network management H04L41/28; security management or policies for network security H04L63/20; access security in wireless networks H04W12/08
• CPC Class Codes: H04N 21/25875 involving end-user authentication restricting access to computer systems by authenticating users using a predetermined code G06F21/33; arrangements for secret or secure communication including means for verifying the identity or authority of a user of the system H04L9/32; networks authentication protocols H04L63/08; authentication in wireless network security H04W12/06
• 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 21/4425 Monitoring of client processing errors or hardware failure
• CPC Class Codes: H04N 21/4627 Rights management associated to the content security in data switching network management H04L41/28; security management or policies for network security H04L63/20; access security in wireless networks H04W12/08
• CPC Class Codes: H04N 21/658 Transmission by the client directed to the server
• CPC Class Codes: H04N 21/835 Generation of protective data, e.g. certificates protecting software against unauthorised usage in a vending or licensing environment G06F21/10
• CPC Class Codes: H04N 21/8358 involving watermark protecting executable software by watermarking G06F21/16; image watermarking in general G06T1/0021; watermarks inserted in still images for transmission purposes H04N1/32144; inserting watermarks during video coding H04N19/467
• CPC Class Codes: H04N 7/17318 Direct or substantially direct transmission and handling of requests

Abstract

A contents forming method for multi-media encoding method provided with an IPMP system, characterized by generating IPMP information containing identification information (404) for identifying the IPMP system type and version information (405) for identifying the intellectual property rights management and protection system version, and burying the IPMP information into contents.

Claims

1. A contents forming method for multi-media encoding method provided with an intellectual property rights management and protection system, said contents forming method comprising the steps of:

generating intellectual property rights management and protection information containing identification information for identifying the intellectual property rights management and protection system type and version information for identifying the intellectual property rights management and protection system version; and

burying the intellectual property rights management and protection information into contents.

2. A contents forming method according to claim 1, wherein the version information is used to determine compatibility of the intellectual property rights management and protection system.

3. A contents forming method according to claim 1, wherein the version information is used to determine changes in the intellectual property rights management and protection system.

4. A contents forming method according to claim 1, wherein the multi-media encoding method is a method for encoding objects on an object basis.

5. A contents forming method according to claim 4, wherein one of the objects is picture image information.

6. A contents forming method according to claim 4 or 5, wherein one of the objects is voice information.

7. A contents forming method according to claim 1, wherein the intellectual property rights management and protection system protects and manages a copyright or copyrights.

8. A contents forming method according to claim 1, wherein the intellectual property rights management and protection system performs digital watermark processing on the contents.

9. A contents forming method according to claim 1, wherein the intellectual property rights management and protection system performs enciphering processing on the contents.

10. A computer readable storage medium storing a program for executing the contents forming method as claimed in any one of claims 1 to 9.

11. A contents reproducing method for multi-media encoding method provided with an intellectual property rights management and protection system, said contents reproducing method comprising the steps of:

inputting contents into which intellectual property rights management and protection information has been buried, the intellectual property rights management and protection information containing identification information for identifying the intellectual property rights management and protection system type and version information for identifying the intellectual property rights management and protection system version;

detecting the identification information and the version information; and

making the intellectual property rights management and protection system operate in accordance with the detection results in said detecting step.

12. A contents reproducing method according to claim 11, wherein information having been encoded on an object basis is included in the contents.

13. A contents reproducing method according to claim 11, wherein picture image information is included as one of the objects.

14. A contents reproducing method according to claim 11 or 13, wherein voice information is included as one of the objects.

15. A contents reproducing method according to claim 11, wherein the intellectual property rights management and protection system controls contents reproduction operations.

16. A contents reproducing method according to claim 11, wherein a compatible intellectual property rights management and protection system is determined from the identification information and the version information.

17. A contents reproducing method according to claim 16, wherein the identification information and the version information are converted into identification information and version information of the compatible intellectual property rights management and protection system.

18. A contents reproducing method according to claim 11, wherein digital watermark processing has been performed on the contents, and the intellectual property rights management and protection system decodes the digital watermark processing.

19. A contents reproducing method according to claim 11, wherein enciphering processing has been performed on the contents, and the intellectual property rights management and protection system decodes the enciphering processing.

20. A computer readable storage medium storing a program for executing the contents reproducing method as claimed in any one of claims 11 to 19.

21. A contents reproducing apparatus for multi-media encoding method provided with an intellectual property rights management and protection system, said contents reproducing device comprising:

an input means for inputting contents into which intellectual property rights management and protection information has been buried, the intellectual property rights management and protection information containing identification information for identifying the intellectual property rights management and protection system type and version information for identifying the intellectual property rights management and protection system version;

a detecting means for detecting the identification information and the version information; and

a control means for making the intellectual property rights management and protection system operate in accordance with the detection results of said detecting means.

22. A contents forming method for multi-media encoding method provided with an intellectual property rights management and protection system, said contents forming method comprising the steps of:

generating intellectual property rights management and protection information containing the intellectual property rights management and protection system type and a request for notification when an exception occurs; and

burying the intellectual property rights management and protection information into contents in a form of a message used by the intellectual property rights management and protection system.

28. A contents forming method according to any one of claims 22 to 27, wherein functions of the intellectual property rights management and protection information are assigned in bits and can be synthesized to each other.

29. A contents forming method according to any one of claims 22 to 26, wherein the multi-media encoding method encodes objects on an object basis.

30. A contents forming method according to any one of claims 22 to 26, wherein the object includes picture image information.

31. A contents forming method according to any one of claims 22 to 26, wherein the object includes voice information.

32. A contents forming method according to claim 30, wherein the object includes voice information.

33. A contents forming method according to any one of claims 22 to 26, wherein the intellectual property rights management and protection system protects and manages copyrights.

34. A contents forming method according to any one of claims 22 to 26, wherein the intellectual property rights management and protection system performs digital watermark processing on the contents.

35. A contents forming method according to any one of claims 22 to 26, wherein the intellectual property rights management and protection system performs enciphering processing on the contents.

36. A contents forming method according to any one of claims 22 to 26, wherein the multi-media encoding method is an MPEG-4 encoding method.

37. A computer readable storage medium storing a program for executing the contents forming method as claimed in any one of claims 22 to 36.

38. A contents reproducing method for reproducing contents formed by the method of any one of claims 22 to 36, said contents reproducing method reproducing contents encoded by a multi-media encoding method including an intellectual property rights management and protection system, said contents reproducing method comprising the steps of:

inputting the contents; and

reproducing the inputted contents,

said reproducing step comprising a step of detecting intellectual property rights management and protection information among the inputted contents and a step of making the intellectual property rights management and protection system operate based on the detection results of said detecting step.

39. A contents reproducing method according to claim 38, wherein information having been encoded on an object basis is included in the contents.

40. A contents reproducing method according to claim 38 or 39, wherein picture image information is included as one of the objects.

41. A contents reproducing method according to claim 38, wherein voice information is included as one of the objects.

42. A contents reproducing method according to claim 40, wherein voice information is included as one of the objects.

43. A contents reproducing method according to claim 38, wherein the multi-media encoding method is an MPEG-4 encoding method.

44. A contents reproducing method according to claim 38, wherein the intellectual property rights management and protection system includes any one or combination of the steps of:

processing for notifying a contents distribution source at a time when an exceptional error occurs;

processing for providing notification of system information about the intellectual property rights management and protection system;

processing of intellectual property rights management and protection processing, without performing actual processing related to multi-media encoding;

processing for a secure communications request; and

processing for an authentication request regarding the contents distribution source.

45. A contents reproducing method according to claim 38 or 44, wherein digital watermark processing has been performed on the contents;

and the intellectual property rights management and protection system decodes the digital watermark processing.

46. A contents reproducing method according to claim 38, wherein ciphering processing has been performed on the contents, and the intellectual property rights management and protection system decodes the ciphering processing.

47. A computer readable storage medium storing a program for executing the contents reproducing method as claimed in any one of claims 38 to 46.

48. A contents reproducing apparatus for reproducing contents formed by the method of any one of claims 22 to 36, said contents reproducing device reproducing contents encoded by a multi-media encoding method including an intellectual property rights management and protection system, said apparatus comprising:

an input means for inputting the contents; and

a reproducing means for reproducing the inputted contents,

the reproducing means further comprising means for detecting intellectual property rights management and protection information among the inputted contents and making the intellectual property rights management and protection system operate based on the detection results.

23. A contents forming method for multi-media encoding method provided with an intellectual property rights management and protection system, said contents forming method comprising the steps of:

generating intellectual property rights management and protection information containing the intellectual property rights management and protection system type; and

a request for notification of information about the intellectual property rights management and protection system; and

burying the intellectual property rights management and protection information into contents in a form of a message used by the intellectual property rights management and protection system.

24. A contents forming method for multi-media encoding method provided with an intellectual property rights management and protection system, said contents forming method comprising the steps of:

generating intellectual property rights management and protection information containing the intellectual property rights management and protection system type and information notifying the data is imitation data on which processing relating to multi-media encoding is not actually to be performed; and

burying the intellectual property rights management and protection information into contents in a form of a message used by the intellectual property rights management and protection system.

25. A contents forming method for multi-media encoding method provided with an intellectual property rights management and protection system, said contents forming method comprising the steps of:

generating intellectual property rights management and protection information containing the intellectual property rights management and protection system type and a communication request; and

burying the intellectual property rights management and protection information into contents in a form of a message used by the intellectual property rights management and protection system.

26. A contents forming method for multi-media encoding method according to claim 25 provided with an intellectual property rights management and protection system, said contents forming method comprising the steps of:

generating intellectual property rights management and protection information containing the intellectual property rights management and protection system type and an authentication processing request in connection with the communication request; and

burying the intellectual property rights management and protection information into contents in a form of a message used by the intellectual property rights management and protection system.

27. A contents forming method for multi-media encoding method provided with an intellectual property rights management and protection system, said contents forming method comprising the steps of:

generating intellectual property rights management and protection information containing the intellectual property rights management and protection system type and a request for secure communications protected by means of ciphering or another technology, the request being made in connection with the communication request; and

burying the intellectual property rights management and protection information into contents in a form of a message used by the intellectual property rights management and protection system.