• What is the Optical Track on CD?

  • Optical track

    Optical track is a recording unit of data on the disc. The information stored on CD-ROM is arranged according to certain rules, and its shaped like one of "Optical track", called "light rail." Light rail from the inside to the outside spiral shapes. The data from the directory inside the CD-ROM (TOC, Table of Contents) recorded in the starting address of the number of consecutive logical sectors of a Optical track. The audio CD in a song corresponding to a light rail, therefore, there are many of light rail. CD-ROM light rails are at most 99 in number.




      The minimum length of Optical tracks.
    The minimum length of each light rail is indicated by Time: 4 seconds, or 300 sectors.
    This value is sometimes referred to as "threshold." Less than 4 seconds, light rail, if it can not be used as light rail, it might be a "bad Optical track" .

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