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This module develops a general purpose AudioGraph program that reads an input text file containing numeric values for y as a function of x and produces an output melody that represents a graph of that data. The material is presented in a format that is accessible to blind students.

Table of contents

Preface

This module is part of a collection titled Accessible Objected-Oriented Programming Concepts for Blind Students using Java . It develops a general purpose AudioGraph program that reads an input text file containing numeric values for y as a function of x and produces an output melody that represents a graph of that data. The material is presented in a format that is accessible to blind students.

Some sample AudioGraph melodies produced by the program are listed below. The function that was evaluated to produce the audio file is shown with the (^)character indicating exponentiation.

(You should be able to play these audio files with any standard media player that canhandle the AU file type. In case you are on the OpenStax site and you are unable to download the audio files, click the Legacy Site link at the top of this page to switch over to the same module on the Legacysite. You should be able to download the audio files from ther e.)

I will comment further on some of these audio files later in this module.

Click here to download a zip file containing the source code, the text files, and the Windows batch files needed to create,compile, and play your own version of these AudioGraph melodies. The zip file also contains the audio files of type AU listed above.

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Source:  OpenStax, Accessible objected-oriented programming concepts for blind students using java. OpenStax CNX. Sep 01, 2014 Download for free at https://legacy.cnx.org/content/col11349/1.17
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