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This module explains how to write a program that creates an audio output consisting of white noise 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 explains how to write a program that creates an audio output consistingof white noise.

Viewing tip

I recommend that you open another copy of this module in a separate browser window and use the following links to easily find the listings while you are reading about them.

Listings

  • Listing 1 . Beginning of class MusicComposer04.
  • Listing 2 . The file named WhiteNoise.bat.
  • Listing 3 . Beginning of the constructor for MusicComposer04.
  • Listing 4 . Get and play or file the sound.
  • Listing 5 . Beginning of the class named AudioSignalGenerator02.
  • Listing 6 . The constructor for AudioSignalGenerator02.
  • Listing 7 . The abstract method named getMelody.
  • Listing 8 . Beginning of the class named WhiteNoise.
  • Listing 9 . Beginning of the getMelody method.
  • Listing 10 . Miscellaneous setup operations.
  • Listing 11 . Generating the white (random) noise.
  • Listing 12 . The class named AudioPlayOrFile01.
  • Listing 13 . The class named AudioFormatParameters01.
  • Listing 14 . The class named MusicComposer04.
  • Listing 15 . The class named AudioSignalGenerator02.
  • Listing 16 . The class named WhiteNoise.

General background information

By this point in the course, you should have learned enough that you can put Java OOP to work in a substantive way. In this course, which is designedspecifically for blind students, you will write substantive programs that deal with something that you are probably very good at -- sound.

An earlier module explained some of the physical aspects of sound. It also explained a little about how you can write programs to create sound with acomputer.

This module will show you how to write a Java OOP program that uses a random number generator to produce white noise .

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
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absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
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it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
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what is biological synthesis of nanoparticles
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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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