Digital content preparation system

• US 6,959,288 B1
• Filed: 02/01/1999
• Issued: 10/25/2005
• Est. Priority Date: 08/13/1998
• Status: Expired due to Term

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Medina, Cesar, Gong, Qing, Milsted, Kenneth Louis
• Primary Examiner(s): Hayes, John W.
• Application Number:
  US09/241,276
• Time in Patent Office: 2,458 Days
• Field of Search: 705 51- 54, 705 57- 59, 380/3, 380/4, 380/24, 380/25, 380201-202, 380230-231, 709/231, 709/217, 709/229, 709/225, 709/232, 725 30- 31, 725/87, 725/104
• US Class Current: 705/51
• CPC Class Codes: G06Q 20/3829 involving key management
• CPC Class Codes: G06T 1/0021 Image watermarking
• CPC Class Codes: G06T 2201/0064 for copy protection or copy management, e.g. CGMS, copy only once, one-time copy
• CPC Class Codes: H04L 2209/30 Compression, e.g. Merkle-Damgard construction
• CPC Class Codes: H04L 2209/56 Financial cryptography, e.g. electronic payment or e-cash
• CPC Class Codes: H04L 2209/608 Watermarking
• CPC Class Codes: H04L 2463/101 applying security measures for digital rights management data processing systems or methods, specially adapted for commerce, e.g. marketing, shopping, billing, auctions or e-commerce G06Q30/00
• CPC Class Codes: H04L 63/0464 using hop-by-hop encryption, i.e. wherein an intermediate entity decrypts the information and re-encrypts it before forwarding it
• CPC Class Codes: H04L 63/06 for supporting key management in a packet data network cryptographic mechanisms or cryptographic arrangements for key management H04L9/08
• CPC Class Codes: H04L 9/302 involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
• CPC Class Codes: H04L 9/3249 using RSA or related signature schemes, e.g. Rabin scheme
• CPC Class Codes: H04L 9/3263 involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements network architectures or network communication protocols for supporting authentication of entities using certificates in a packet data network H04L63/0823

Abstract

A digital content preparation system that includes a metadata acquisition tool for acquiring metadata associated with the digital content, and a digital content processor for processing the digital content by performing at least one of watermarking, encoding, and encrypting. A work flow manager manages processings by the metadata acquisition tool and the digital content processor. In one preferred embodiment, the metadata acquisition tool includes an automatic metadata acquisition tool and a manual metadata acquisition tool, and the digital content processor includes an encoder and an encrypter. The present invention also provides a method for preparing digital content. According to the method, metadata associated with the digital content is acquired, and the digital content is processed by at least one of watermarking, encoding, and encrypting. Processings in the acquiring step and the processing step are managed. In a preferred method, the acquiring step includes automatically retrieving at least a portion of the metadata and allowing manual entry of at least a portion of the metadata, and the processing step includes encoding the digital content and encrypting the encoded digital content.

Claims

1. A digital content preparation system comprising:

a metadata acquisition tool for acquiring metadata and content usage conditions, the metadata being associated with the digital content but not including the digital content itself; and

a digital content processor for processing the digital content to produce processed digital content, the digital content processor including at least one of a watermarker for watermarking the digital content, an encoder for encoding the digital content, and an encrypter for encrypting the digital content,

wherein the metadata acquisition tool includes an automatic metadata acquisition tool for automatically filling in at least some data fields of a metadata template by using a mapping table to retrieve the metadata for the data fields from a preexisting database, the mapping table mapping at least a portion of the data fields of the metadata template to locations within the database where the corresponding metadata can be found.

2. The digital content preparation system as defined in claim 1, wherein the metadata acquisition tool also includes a manual metadata acquisition tool for allowing manual entry of at least a portion of the metadata.

3. The digital content preparation system as defined in claim 2, wherein the metadata acquisition tool further includes at least one quality control tool for allowing the metadata to be evaluated before being output for distribution.

4. The digital content preparation system as defined in claim 1, wherein the digital content processor includes:

an encoder for encoding the digital content at a selected rate using a selected algorithm, the encoder producing encoded digital content; and

an encrypter for encrypting the encoded digital content to produce the processed digital content.

5. The digital content preparation system as defined in claim 1, wherein the digital content processor includes:

an encoder for encoding the digital content to produce encoded digital content, the encoder allowing the digital content to be encoded a plurality of times at a plurality of rates and/or using a plurality of algorithms; and

an encrypter for encrypting the encoded digital content to produce the processed digital content.

6. The digital content preparation system as defined in claim 4, wherein the encoder includes a preprocessor for performing at least one of equalization and dynamics adjustment on the digital content before encoding.

7. The digital content preparation system as defined in claim 4, wherein the digital content processor further includes a watermarker for watermarking the digital content.

8. The digital content preparation system as defined in claim 4, wherein the digital content processor further includes at least one quality control tool for allowing the digital content to be evaluated before being output from the digital content processor.

9. The digital content preparation system as defined in claim 1, further comprising a work flow manager for managing the acquisition of the metadata by the metadata acquisition tool and the processing of the digital content by the digital content processor.

10. The digital content preparation system as defined in claim 9,

wherein the metadata acquisition tool and the digital content processor each perform a plurality of separate processes, and

the work flow manager feeds jobs to the processes and directs jobs between the processes.

11. The digital content preparation system as defined in claim 10, wherein each process has a job queue and the work flow manager feeds the job queues of the processes based on configured work flow rules.

12. The digital content preparation system as defined in claim 10, wherein the processes can run in parallel so as to simultaneously process a plurality of digital content.

13. The digital content preparation system as defined in claim 10, wherein the processes are accessible over at least one of an Intranet and an extranet to allow remote access and simultaneous access from multiple locations.

14. The digital content preparation system as defined in claim 10, wherein the processes are divided so as to run on a plurality of computer systems.

15. The digital content preparation system as defined in claim 1, wherein the metadata acquisition tool also includes means for automatically acquiring at least a portion of the content usage conditions.

16. A digital content preparation system comprising:

a metadata acquisition tool for acquiring metadata and content usage conditions, the metadata being associated with the digital content but not including the digital content itself;

a digital content processor for processing the digital content to produce processed digital content, the digital content processor including at least one of a watermarker for watermarking the digital content, an encoder for encoding the digital content, and an encrypter for encrypting the digital content; and

a secure container packer for creating at least one metadata secure container based on the output of the metadata acquisition tool and at least one separate content secure container based on the output of the digital content processor, the metadata secure container including the metadata and the separate content secure container including at least a portion of the processed digital content,

wherein the metadata acquisition tool includes an automatic metadata acquisition tool for automatically filling in at least some data fields of a metadata template by using a mapping table to retrieve the metadata for the data fields from a preexisting database, the mapping table mapping at least a portion of the data fields of the metadata template to locations within the database where the corresponding metadata can be found, and

the metadata acquisition tool also includes means for automatically acquiring at least a portion of the content usage conditions.

17. The digital content preparation system as defined in claim 16, wherein the content secure container includes the processed digital content and the metadata secure container includes at least one decryption key for decrypting at least a portion of the processed digital content stored in the content secure container.

18. The digital content preparation system as defined in claim 16, further comprising a work flow manager for managing the acquisition of the metadata by the metadata acquisition tool and the processing of the digital content by the digital content processor.

19. The digital content preparation system as defined in claim 18, wherein the work flow manager includes a content disperser that sends the content secure container to a content hosting site.

20. The digital content preparation system as defined in claim 19, wherein the content disperser sends the metadata secure container to a promotional web site for distribution to electronic stores.

21. A method for preparing digital content, said method comprising the steps of:

acquiring metadata and content usage conditions, the metadata being associated with the digital content but not including the digital content itself; and

processing the digital content to produce processed digital content, the processing including at least one of watermarking, encoding, and encrypting,

wherein the acquiring step includes the sub-step of automatically filling in at least some data fields of a metadata template by using a mapping table to retrieve the metadata for the data fields from a preexisting database, the mapping table mapping at least a portion of the data fields of the metadata template to locations within the database where the corresponding metadata can be found.

22. The method as defined in claim 21, wherein the acquiring step also includes the sub-step of manually entering at least a portion of the metadata.

23. The method as defined in claim 21, wherein the processing step further includes the sub-steps of:

encoding the digital content at a selected rate using a selected algorithm to produce encoded digital content; and

encrypting the encoded digital content to produce the processed digital content.

24. The method as defined in claim 23, wherein the processing step further includes the sub-step of performing at least one of equalization and dynamics adjustment on the digital content before encoding.

25. The method as defined in claim 23, wherein the processing step further includes the sub-step of watermarking the digital content.

26. The method as defined in claim 23,

wherein the processing step further includes the sub-step of evaluating the digital content after at least one of the processings, and

the acquiring step further includes the sub-step of evaluating the acquired metadata.

27. The method as defined in claim 21, wherein the processing step further includes the sub-steps of:

encoding the digital content to produce encoded digital content, the digital content being encoded a plurality of times at a plurality of rates and/or using a plurality of algorithms; and

encrypting the encoded digital content to produce the processed digital content.

28. The method as defined in claim 21, further comprising the step of managing a plurality of separate sub-step processes in each of the acquiring step and the processing step.

29. The method as defined in claim 28, wherein in the management step, jobs are fed to the processes and directed between the processes based on configured work flow rules.

30. The method as defined in claim 29,

wherein the processes run in parallel so as to simultaneously process a plurality of digital content, and

the processes are remotely accessible and can be simultaneously accessed from multiple locations.

31. The method as defined in claim 21, wherein the acquiring step also includes the sub-step of automatically acquiring at least a portion of the content usage conditions.

32. A method for preparing digital content, said method comprising the steps of:

acquiring metadata and content usage conditions, the metadata being associated with the digital content but not including the digital content itself;

processing the digital content to produce processed digital content, the processing including at least one of watermarking, encoding, and encrypting;

creating at least one metadata secure container that includes the acquired metadata; and

creating at least one separate content secure container that includes the processed digital content,

wherein the acquiring step includes the sub-step of automatically filling in at least some data fields of a metadata template by using a mapping table to retrieve the metadata for the data fields from a preexisting database, the mapping table mapping at least a portion of the data fields of the metadata template to locations within the database where the corresponding metadata can be found, and

the acquiring step also includes the sub-step of automatically acquiring at least a portion of the content usage conditions.

33. The method as defined in claim 32, further comprising the steps of:

sending the content secure container to a content hosting site; and

sending the metadata secure container to a promotional web site for distribution.

34. A computer-readable medium encoded with a program for preparing digital content, said program containing instructions for performing the steps of:

acquiring metadata and content usage conditions, the metadata being associated with the digital content but not including the digital content itself; and

processing the digital content to produce processed digital content, the processing including at least one of watermarking, encoding, and encrypting,

wherein the acquiring step includes the sub-step of automatically filling in at least some data fields of a metadata template by using a mapping table to retrieve the metadata for the data fields from a preexisting database, the mapping table mapping at least a portion of the data fields of the metadata template to locations within the database where the corresponding metadata can be found.

35. The computer-readable medium encoded with a program for preparing digital content as defined in claim 34, wherein the acquiring step also includes the sub-step of allowing manual entry of at least a portion of the metadata.

36. The computer-readable medium encoded with a program for preparing digital content as defined in claim 34, wherein the processing step further includes the sub-steps of:

encoding the digital content at a selected rate using a selected algorithm to produce encoded digital content; and

encrypting the encoded digital content to produce the processed digital content.

37. The computer-readable medium encoded with a program for preparing digital content as defined in claim 36, wherein the processing step further includes the sub-step of performing at least one of equalization and dynamics adjustment on the digital content before encoding.

38. The computer-readable medium encoded with a program for preparing digital content as defined in claim 36, wherein the processing step further includes the sub-step of watermarking the digital content.

39. The computer-readable medium encoded with a program for preparing digital content as defined in claim 36,

wherein the processing step further includes the sub-step of evaluating the digital content after at least one of the processings, and

the acquiring step further includes the sub-step of evaluating the acquired metadata.

40. The computer-readable medium encoded with a program for preparing digital content as defined in claim 34, wherein the processing step further includes the sub-steps of:

encoding the digital content to produce encoded digital content, the digital content being encoded a plurality of times at a plurality of rates and/or using a plurality of algorithms; and

encrypting the encoded digital content to produce the processed digital content.

41. The computer-readable medium encoded with a program for preparing digital content as defined in claim 34, wherein said program further contains instructions for performing the steps of:

creating at least one metadata secure container based on the acquired metadata; and

creating at least one content secure container based on the processed digital content.

42. The computer-readable medium encoded with a program for preparing digital content as defined in claim 41, wherein said program further contains instructions for performing the steps of:

sending the content secure container to a content hosting site; and

sending the metadata secure container to a promotional web site for distribution.

43. The computer-readable medium encoded with a program for preparing digital content as defined in claim 34, wherein said program further contains instructions for performing the step of managing a plurality of separate sub-step processes in each of the acquiring step and the processing step.

44. The computer-readable medium encoded with a program for preparing digital content as defined in claim 43, wherein in the management step, jobs are fed to the processes and directed between the processes based on configured work flow rules.

45. The computer-readable medium encoded with a program for preparing digital content as defined in claim 44,

wherein the processes run in parallel so as to simultaneously process a plurality of digital content, and

the processes are remotely accessible and can be simultaneously accessed from multiple locations.

46. A metadata acquisition tool for acquiring metadata and content usage conditions for a digital content preparation system, the metadata being associated with the digital content but not including the digital content itself, said metadata acquisition tool comprising:

an automatic metadata acquisition tool for automatically filling in at least some data fields of a metadata template by using a mapping table to retrieve the metadata for the data fields from a preexisting database, the mapping table mapping at least a portion of the data fields of the metadata template to locations within the database where the corresponding metadata can be found; and

a tool for automatically acquiring at least a portion of the content usage conditions.

47. A method for acquiring metadata and content usage conditions during preparation of digital content, the metadata being associated with the digital content but not including the digital content itself, said method comprising the steps of:

automatically filling in at least some data fields of a metadata template by using a mapping table to retrieve the metadata for the data fields from a preexisting database, the mapping table mapping at least a portion of the data fields of the metadata template to locations within the database where the corresponding metadata can be found; and

automatically acquiring at least a portion of the content usage conditions.