Extension of m3u file format to support user interface and navigation tasks in a digital audio player
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United States of America Patent
Stats
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N/A
Issued Date -
Nov 25, 2004
app pub date -
Mar 9, 2004
filing date -
Sep 10, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A digital audio player and a data structure and method for providing an audio playlist. The data structure includes a playlist record for each audio data file, each playlist record including a file pointer segment and an information segment having a plurality of content information fields and at least one indexing information field. A method of browsing audio file content information in an audio data player having a user interface includes providing at least one playlist including records stored in a predetermined sequence and including an information segment including content information fields and indexing information fields, outputting the content information fields to the user interface, receiving a playlist navigation signal from the user interface, and in response to the playlist navigation signal, using the indexing information fields to locate and output the content information fields for another record, the records related by the predetermined sequence and the navigation signal.
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