MULTIPLE STEP IDENTIFICATION OF RECORDINGS
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United States of America Patent
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N/A
Issued Date -
Jun 24, 2010
app pub date -
Mar 9, 2010
filing date -
Jul 31, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Multiple information is extracted from an unknown recording and information associated therewith. Associated information includes the filename, if the recording is a computer file in, e.g., MP3 format, or table of contents (TOC) data, if the recording is on a removable medium, such as a compact disc. At least one and preferably several algorithmically determined fingerprints are extracted from the recording using one or more fingerprint extraction methods. The information extracted is compared with corresponding information in a database maintained for reference recordings. Identification starts with the most accurate and efficient method available, e.g., using a hash ID, a unique ID or text. Fingerprint matching is used to confirm other matches and validation is performed by comparing the duration of the unknown and a possibly matching reference recording.
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