Media recorder for capture and playback of live prerecorded audio and/or video information

• US 20030194206A1
• Filed: 05/19/2003
• Published: 10/16/2003
• Est. Priority Date: 04/10/1992
• Status: Active Grant

• Current Assignee: Avid Technology Incorporated
• Original Assignee: Avid Technology Incorporated
• Inventors: Peters, Eric C., Walsh, John J.
• Granted Patent: US 6,907,191 B2
• Time in Patent Office: Days
• US Class Current: 386/224
• CPC Class Codes: G11B 2220/20 Disc-shaped record carriers
• CPC Class Codes: G11B 2220/61 wherein solid state memory is used for storing A/V content
• CPC Class Codes: G11B 27/034 on discs G11B27/036, G11B27/038 take precedence
• CPC Class Codes: G11B 27/105 of operating discs
• CPC Class Codes: G11B 27/329 on a disc [VTOC]
• CPC Class Codes: H04N 5/2228 Video assist systems used in motion picture production, e.g. video cameras connected to viewfinders of motion picture cameras or related video signal processing
• CPC Class Codes: H04N 5/91 Television signal processing therefor

Abstract

The invention disclosed herein is a media recorder for recording live and prerecorded analog audio and/or video information. It is capable of receiving, digitizing, and storing analog audio and/or video information in real time. The invention detects discontinuities in the reception of the analog information and automatically terminates the storage of the information, so the previously received audio and/or video information is stored as a self-contained clip of digitized information. The invention is also capable of receiving and storing digital audio and/or video information from other sources, so that the system can play both the digital audio and/or video information digitized by it and that received from the other sources. This allows both the newly recorded and previously recorded media segments to be evaluated both individually and in context with other segments.

Claims

1. A system for capturing video data defining a moving picture, comprising:

means for receiving the video data from a source;

means for storing, in real time as the video data is received, the video data as a computer data file on a non-volatile random-access computer-readable and rewritable medium;

means for detecting a discontinuity from the source; and

means for controlling the means for storing to close the computer data file upon detection of the discontinuity by the means for detecting.

2. The system of claim 1, further comprising means for automatically logging format and statistical information regarding the video data stored in the computer data file.

3. The system of claim 2, wherein the format and statistical information includes at least one of the following:

number of video frames per second, video resolution, length of clip, time of recording, and start and stop timecodes.

4. The system of claim 1, further comprising means for reading both the stored video data and other similar video data and for displaying the stored video data and the other similar video data on a video display individually and in sequence.

5. The system of claim 1, further comprising means, connected to receive audio data, for storing the audio data as a computer data file on the nonvolatile random-access, computer-readable and rewritable medium.

6. The system of claim 1, wherein the source comprises a source of live video information.

7. The system of claim 6, wherein the source comprises a satellite feed.

8. The system of claim 6, wherein the source comprises a camera.

9. The system of claim 8, wherein the camera is a video assist connected to a film camera.

10. The system of claim 6, wherein the means for detecting a discontinuity comprises means for monitoring a trigger signal from the source and for determining when the trigger signal indicates that reception of the video data has stopped.

11. The system of claim 10, further comprising:

means for opening a new computer data file after the trigger signal indicates that reception of the video data has resumed.

12. The system of claim 1, wherein the means for detecting a discontinuity comprises means for monitoring a trigger signal from the source and for determining when the trigger signal indicates that reception of the video data has stopped.

13. The system of claim 12, further comprising:

means for opening a new computer data file after the trigger signal indicates that reception of the video data has resumed for storing the video data.

14. The system of claim 1, further comprising:

means for opening a new computer data file after detection of the discontinuity for storing video data received after detection of the discontinuity.

15. The system of claim 1, wherein the means for detecting a discontinuity comprises means for detecting a discontinuity in a time code received with the video data.

16. The system of claim 15, wherein the means for detecting comprises means for determining when the time code stops advancing.

17. The system of claim 16, further comprising means for opening a new computer data file after the time code begins advancing for storing video data received after the time code begins advancing.

18. The system of claim 1, wherein the source comprises prerecorded video information defining a plurality of moving picture segments.

19. The system of claim 18, further comprising means for opening a next computer data file after detection of the discontinuity to store video data of a next moving picture segment received after detection of the discontinuity.

20. A method for capturing video data defining a moving picture, comprising:

receiving the video data from a source;

storing, in real time as the video data is received, the video data as a computer data file on a non-volatile random-access computer-readable and rewritable medium;

detecting a discontinuity from the source; and

closing the computer data file upon detection of the discontinuity.

21. The method of claim 20, further comprising:

automatically logging format and statistical information regarding the video data stored in the computer data file.

22. The method of claim 21, wherein the format and statistical information includes at least one of the following:

number of video frames per second, video resolution, length of clip, time of recording, and start and stop timecodes.

23. The method of claim 20, further comprising:

reading both the stored video data and other similar video data;

displaying the stored video data and the other similar video data on a video display individually and in sequence.

24. The method of claim 20, further comprising:

receiving audio data; and

storing the audio data as a computer data file on the nonvolatile random-access, computer-readable and rewritable medium.

25. The method of claim 20, wherein the source comprises a source of live video information.

26. The method of claim 25, wherein the source comprises a satellite feed.

27. The method of claim 25, wherein the source comprises a camera.

28. The method of claim 27, wherein the camera is a video assist connected to a film camera.

29. The method of claim 25, wherein detecting a discontinuity comprises:

monitoring a trigger signal from the source; and

determining when the trigger signal indicates that reception of the video data has stopped.

30. The method of claim 29, further comprising:

opening a new computer data file after the trigger signal indicates that reception of the video data has resumed.

31. The method of claim 20, wherein the detecting a discontinuity comprises:

monitoring a trigger signal from the source; and

determining when the trigger signal indicates that reception of the video data has stopped.

32. The method of claim 31, further comprising:

opening a new computer data file after the trigger signal indicates that reception of the video data has resumed for storing the video data.

33. The method of claim 20, further comprising:

opening a new computer data file after detection of the discontinuity for storing video data received after detection of the discontinuity.

34. The method of claim 20, wherein detecting a discontinuity comprises:

detecting a discontinuity in a time code received with the video data.

35. The method of claim 34, wherein detecting a discontinuity comprises:

determining when the time code stops advancing.

36. The method of claim 35, further comprising:

opening a new computer data file after the time code begins advancing for storing video data received after the time code begins advancing.

37. The method of claim 20, wherein the source comprises prerecorded video information defining a plurality of moving picture segments.

38. The method of claim 37, further comprising:

opening a next computer data file after detection of the discontinuity to store video data of a next moving picture segment received after detection of the discontinuity.