Multimedia system and method

• US 20040034655A1
• Filed: 07/17/2002
• Published: 02/19/2004
• Est. Priority Date: 07/17/2002
• Status: Abandoned Application

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Haas, William Robert, Tecu, Kirk Steven
• Application Number:
  US10/196,862
• Publication Number:
  US 20040034655A1
• Time in Patent Office: Days
• US Class Current: 707/104.1
• CPC Class Codes: G10L 19/02 using spectral analysis, e.g. transform vocoders or subband vocoders
• CPC Class Codes: H04H 20/31 using in-band signals, e.g. subsonic or cue signal
• CPC Class Codes: H04H 60/73 using meta-information
• CPC Class Codes: H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
• CPC Class Codes: H04N 21/2368 Multiplexing of audio and video streams
• CPC Class Codes: H04N 21/4341 Demultiplexing of audio 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 21/8106 involving special audio data, e.g. different tracks for different languages
• 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

Abstract

A multimedia system comprises a database accessible by a processor and adapted to store at least one data stream having audio data. The system also comprises an encoder routine accessible by the processor and adapted to encode metadata at a plurality of predetermined intensity levels at a human-inaudible frequency and populate the audio data of the data stream with the encoded metadata.

Claims

1. A multimedia system, comprising:

a database accessible by a processor and adapted to store at least one data stream having audio data; and

an encoder routine accessible by the processor and adapted to encode metadata at a plurality of predetermined intensity levels at a human-inaudible frequency and populate the audio data of the data stream with the encoded metadata.

2. The system of claim 1, wherein the frequency comprises a frequency greater than 20 KHz.

3. The system of claim 1, wherein the metadata comprises information corresponding to the data stream.

4. The system of claim 1, further comprising a decoder routine accessible by the processor and adapted to decode the encoded metadata.

5. The system of claim 1, further comprising a database having relational data relating the metadata to the data stream.

6. The system of claim 1, further comprising a search engine accessible by the processor and adapted to locate the data stream within the database using the metadata.

7. The system of claim 1, wherein the metadata comprises information associated with a subject of the data stream.

8. The system of claim 1, wherein the metadata comprises geopositional data.

9. The system of claim 1, wherein the metadata comprises a source of the data stream.

10. The system of claim 1, further comprising a compression routine accessible by the processor and adapted to compress the data stream.

11. The system of claim 1, wherein the plurality of predetermined intensity levels comprises a plurality of predetermined intensity level ranges.

12. The system of claim 1, wherein the plurality of predetermined intensity levels corresponds to a predetermined bit pattern for the metadata.

13. A multimedia method, comprising:

retrieving a data stream having audio data;

encoding metadata at a plurality of predetermined intensity levels at a human-inaudible frequency; and

populating the audio data of the data stream with the encoded metadata.

14. The method of claim 13, wherein encoding comprises encoding the metadata at a frequency greater than 20 Khz.

15. The method of claim 13, further comprising generating relational data relating the metadata to the data stream.

16. The method of claim 13, further comprising decoding the metadata.

17. The method of claim 13, further comprising searching for the data stream using the metadata.

18. The method of claim 13, wherein encoding the metadata comprises encoding information associated with a source of the data stream.

19. The method of claim 13, wherein encoding the metadata comprises encoding geopositional data.

20. The method of claim 13, wherein encoding the metadata comprises encoding information associated with a subject of the data stream.

21. The method of claim 13, wherein encoding the metadata comprises encoding the metadata at a plurality of predetermined intensity level ranges.

22. A multimedia system, comprising:

a database accessible by a processor and adapted to store at least one data stream having audio data; and

a decoder routine accessible by the processor and adapted to decode metadata populated within the audio data, the metadata encoded at a plurality of predetermined intensity levels at a human-inaudible frequency.

23. The system of claim 22, wherein the frequency comprises a frequency greater than 20 KHz.

24. The system of claim 22, wherein the metadata comprises information associated with a source of the data stream.

25. The system of claim 22, wherein the metadata comprises information associated with a subject of the data stream.

26. The system of claim 22, wherein the database comprises relational data relating the metadata to the data stream.

27. The system of claim 22, further comprising a search engine adapted to locate the data stream within the database using the metadata.

28. The system of claim 22, wherein the metadata comprises geopositional data.

29. The system of claim 22, wherein the frequency comprises a range of human-inaudible frequencies.

30. The system of claim 22, wherein the plurality of predetermined intensity levels comprises a plurality of predetermined intensity level ranges.

31. A multimedia system, comprising:

means for storing at least one data stream having audio data;

means for encoding metadata at a plurality of predetermined intensity levels at a human-inaudible frequency; and

means for populating the encoded metadata within the audio data of the data stream.

32. The system of claim 31, further comprising means for relating the metadata to the data stream.

33. The system of claim 31, further comprising means for searching a database for the data stream using the metadata.

34. The system of claim 31, wherein the means for encoding comprises means for encoding the metadata at a frequency greater than 20 KHz.

35. The system of claim 31, wherein the metadata comprises information associated with a source of the data stream.

36. The system of claim 31, wherein the metadata comprises information associated with a subject of the data stream.

37. The system of claim 31, wherein the metadata comprises geopositional data.

38. The system of claim 31, further comprising means for compressing the data stream.

39. The system of claim 31, further comprising means for decoding the metadata.

40. The system of claim 31, wherein the means for encoding metadata comprises means for encoding metadata at a plurality of predetermined intensity level ranges.