Patent ID: 7466640
Filing Date: 2008-12-16
Classification: G11B

Abstract:
1. A computer-implemented method comprising: reading digital audio data from a source medium, the digital audio data divided into a plurality of tracks, each track representing a discrete chunk of digital audio data and having sound levels varying as a function of a variable; analyzing the digital audio data to determine the levels of sound as a function of the variable and determining one or more precise values of the variable at which the level of sound crosses a specified threshold; and dividing the digital audio data into a plurality of separate files, each file containing one or more tracks and each file excluding the digital audio data having levels of sound below the specified threshold, wherein the source medium contains Table of Contents (“TOC”) data identifying the values of the variable at which each track begins and ends within each file and within each segment, said method further comprising reading and storing the TOC data, and wherein dividing includes: