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Track access management for large playlists in a vehicular multimedia player

  • US 7,062,338 B1
  • Filed: 02/14/2002
  • Issued: 06/13/2006
  • Est. Priority Date: 02/14/2002
  • Status: Expired due to Term
First Claim
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1. A method of organizing digital audio tracks on a predetermined media for navigation and selection by a user of an audio player having a display, said predetermined media storing said digital audio tracks in a directory based file system, said method comprising the steps of:

  • scanning said predetermined media to locate each of said digital audio tracks and to determine a total number of tracks;

    numbering said digital audio tracks with a flat-file selection number from a first flat-file selection number to a last flat-file selection number in a flat tile mode;

    numbering each directory within said file system containing at least one of said digital audio tracks from a first directory number to a last directory number in a single-level directory mode;

    numbering digital audio tracks within each numbered directory with an in-directory selection number from a respective first in-directory selection number to a respective last in-directory selection number;

    said user selecting either said flat file mode or said directory mode;

    when in said flat file mode, said audio player displaying said flat-file selection numbers and said user searching for a desired digital audio track by sequentially navigating through said flat-file selection numbers; and

    when in said directory mode, said audio player displaying said directory numbers and said in-directory selection numbers and said user selecting a desired directory and then searching for a desired digital audio track by sequentially navigating through said in-directory selection numbers; and

    wherein said display has the ability to display a maximum of one selection number at a time.

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