Methods and apparatus for indexing and archiving encoded audio/video data
First Claim
1. A method comprising:
- retrieving stored encoded image data from a data storage device, wherein the data storage device contains a previously generated set of indexing information of the stored encoded image data;
decoding the stored encoded image data to generate decoded image data;
analyzing content of the decoded image data to generate a first set of indexing information;
storing the first set of indexing information with the stored encoded image data and the previously generated set of indexing information on the data storage device;
receiving image data information associated with the stored encoded image data, wherein the received image data information, the stored encoded image data, and a previously generated set of indexing information are stored in a first file on the data storage device; and
storing a second file that includes a second stored encoded image data, the second set of generated indexing information and a second received image data information.
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Abstract
Archival storage and retrieval of audio/video information is described. Audio and/or video information is digitized, compressed and stored in an intermediate archive format (IAF), which preserves the content at a high-enough quality for subsequent retrieval and conversion into various formats required at the time of use or distribution. A single capture operation is performed with ancillary metadata being added to facilitate subsequent searching, indexing and format conversion. Captured data content is catalogued and indexed at or subsequent to the creation of an IAF file that includes the archived information. The IAF includes a family of audio-video digital encoding formats based on public standards. The encoding format used in any particular application is determined at encoding time from information provided by the archive system user. At encoding, the particular encoding scheme is selected to optimize a tradeoff between storage constraints and end use quality requirements.
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Citations
15 Claims
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1. A method comprising:
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retrieving stored encoded image data from a data storage device, wherein the data storage device contains a previously generated set of indexing information of the stored encoded image data; decoding the stored encoded image data to generate decoded image data; analyzing content of the decoded image data to generate a first set of indexing information; storing the first set of indexing information with the stored encoded image data and the previously generated set of indexing information on the data storage device; receiving image data information associated with the stored encoded image data, wherein the received image data information, the stored encoded image data, and a previously generated set of indexing information are stored in a first file on the data storage device; and storing a second file that includes a second stored encoded image data, the second set of generated indexing information and a second received image data information. - View Dependent Claims (2, 3)
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4. An apparatus comprising:
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an analysis and indexing module configured to; retrieve an archived file content that includes encoded image data and a first set of indexing information, decode the encoded image data to generate decoded image data, analyze content of the decoded image data to generate a second set of indexing information, retrieve and decode the stored encoded image data for a second time to generate second decoded image data, and analyze content of the second decoded image data to generate a second set of indexing information; and a wrapper module configured to output an archive entry that includes the encoded image data embedded with the first and second set of indexing information. - View Dependent Claims (5, 6, 7, 8, 9)
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10. A non-transitory computer-readable medium that includes executable instructions stored thereon that, in response to execution, cause a processor to perform operations, comprising:
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retrieving an archived file content that includes stored encoded image data and a first set of indexing information from a data storage device; decoding the stored encoded image data to generate decoded image data; analyzing content of the decoded image data to generate a second set of indexing information; outputting an archive entry that includes the encoded image data embedded with the first and second set of indexing information; retrieving and decoding the stored encoded image data for a second time to generate second decoded image data; analyzing content of the second decoded image data to generate a second set of indexing information; and storing the second set of indexing information with the stored encoded image data, the first set of indexing information and the previously generated set of indexing information on the data storage device. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification