Method and apparatus for locating and retrieving data...

Data processing: database and file management or data structures – Database and file access – Query optimization

Reexamination Certificate

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Reexamination Certificate

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07865501

ABSTRACT:
A method and apparatus is provided for retrieving specified data content derived from recorded speech. An embodiment comprises converting a compressed audio file comprising recorded speech into a corresponding text file divided into multiple segments having unique identifiers. An index constructed from the text file comprises index elements, each associated with particular information in a text file segment. The index is searched to detect one or more text segments, each containing at least some of the specified content. Identifiers of respective detected segments are then used to locate the specified content in the audio file. Only portions of the audio file that contain specified content require decompression, in order to retrieve the content.

REFERENCES:
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patent: 6289165 (2001-09-01), Abecassis
patent: 6801576 (2004-10-01), Haldeman et al.
patent: 2002/0161579 (2002-10-01), Saindon et al.
patent: 2003/0040962 (2003-02-01), Lewis
patent: 2003/0093790 (2003-05-01), Logan et al.
patent: 2003/0104820 (2003-06-01), Greene et al.

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