Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2007-01-09
2008-12-16
Agustin, Peter Vincent (Department: 2627)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
C369S047160, C369S059250
Reexamination Certificate
active
07466640
ABSTRACT:
A computer-implemented method and apparatus for extracting digital data from a medium. Digital audio extraction techniques are implemented with additional features that improve the quality of the resulting audio playback files. In one embodiment of the invention, a user can extract digital audio data from a source medium and store the data as a file or, alternatively, stream the data into a memory. The file/stream can then be analyzed to determine the precise locations, in time, at which the sound levels represented by the data cross a specified threshold, particularly at locations near and between track edges. This information can be stored for reference. Subsequently, the file/stream can be accurately divided into smaller files wherein each file contains one or more complete and distinct tracks, and the data representing sound levels below the specified threshold can be excluded from the resulting files. The files may then be encoded and/or further divided into standard playback files. Another embodiment of the invention includes an audio player. The player can play the playback files, in their original order, and can automatically include sections of silence between tracks, where required, and will refrain from including sections of silence or pauses between tracks that are intended to be played end-to-end.
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Clifford David
Snow Kevin
Agustin Peter Vincent
Christensen Kory D.
Digeo, Inc.
Stoel Rives LLP
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