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Listing 11 . The class named ToneMono.
/*File ToneMono.java Copyright 2014, R.G.BaldwinRevised 08/22/14 This class that can be used to create a melody consisting of a single puresinusoidal tone at 1000 Hz. The class introduces the use of ByteBuffer.******************************************************************************/ import java.io.*;import java.nio.*; import java.util.*;public class ToneMono extends AudioSignalGenerator02{public ToneMono(AudioFormatParameters01 audioParams, String[]args, byte[]melody){ super(audioParams,args,melody);}//end constructor //-------------------------------------------------------------------------////This method generates a three-second pure sinusoidal tone. A 1000 Hz tone// is emitted with equal amplitude from the left and right speakers. It is // interesting to compare this sound with the sound of a square wave with// the same fundamental frequency. byte[]getMelody(){ //Recall that the default is channels=1 for monaural.System.out.println("audioParams.channels = " + audioParams.channels);//Each channel requires two 8-bit bytes per 16-bit sample. int bytesPerSampPerChan = 2;//Override the default sample rate. Allowable sample rates are 8000,11025,// 16000,22050,44100 samples per second. audioParams.sampleRate = 8000.0F;// Set the length of the melody in secondsdouble lengthInSeconds = 3.0;//Set the frequency of the tone. double freq = 1000.0;//Create an output data array sufficient to contain the tone// at "sampleRate" samples per second, "bytesPerSampPerChan" bytes per // sample per channel and "channels" channels.melody = new byte[(int)(lengthInSeconds*audioParams.sampleRate* bytesPerSampPerChan*audioParams.channels)]; System.out.println("melody.length = " + melody.length);//Prepare a ByteBuffer for usebyteBuffer = ByteBuffer.wrap(melody); //Compute the number of audio samples in the melody.int sampLength = (int)(lengthInSeconds*audioParams.sampleRate);//Compute the audio sample values and deposit them in the output array. for(int cnt = 0; cnt<sampLength; cnt++){ //Compute the time in seconds for this sample.double time = cnt/audioParams.sampleRate; //Deposit audio data for both channels in mono.byteBuffer.putShort((short)(8000*Math.sin(2*Math.PI*freq*time))); }//end for loopreturn melody;}//end method getMelody //-------------------------------------------------------------------------//}//end class ToneMono //===========================================================================//

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Listing 12 . The class named TonesStereo.
/*File TonesStereo.java Copyright 2014, R.G.BaldwinRevised 08/19/14 This class that can be used to create a melody consisting of two tones atdifferent frequencies emitted from the left and right stereo speakers. ******************************************************************************/import java.io.*; import java.nio.*;import java.util.*; public class TonesStereo extends AudioSignalGenerator02{public TonesStereo(AudioFormatParameters01 audioParams,String[] args,byte[] melody){super(audioParams,args,melody); }//end constructor//-------------------------------------------------------------------------////This method generates a pair of three-second tones in stereo. //A 261.63 (middle-C) tone is emitted from the left speaker and a higher// frequency tone is emitted from the right speaker. byte[]getMelody(){ //Set the audio parameters to stereo overriding the default value.audioParams.channels = 2; System.out.println("audioParams.channels = " + audioParams.channels);//Each channel requires two 8-bit bytes per 16-bit sample. int bytesPerSampPerChan = 2;//Override the default sample rate. Allowable sample rates are 8000,11025,// 16000,22050,44100 samples per second. audioParams.sampleRate = 8000.0F;// Set the length of the melody in secondsdouble lengthInSeconds = 3.0;//Set the primary tone frequency. double freq = 261.63;//middle C//Create an output data array sufficient to contain the tone// at "sampleRate" samples per second, "bytesPerSampPerChan" bytes per // sample per channel and "channels" channels.melody = new byte[(int)(lengthInSeconds*audioParams.sampleRate* bytesPerSampPerChan*audioParams.channels)]; System.out.println("melody.length = " + melody.length);//Prepare a ByteBuffer for usebyteBuffer = ByteBuffer.wrap(melody); //Compute the number of audio samples in the melody.int sampLength = (int)(lengthInSeconds*audioParams.sampleRate);//Compute the audio sample values and deposit them in the output array. for(int cnt = 0; cnt<sampLength; cnt++){ //Compute the time in seconds for this sample.double time = cnt/audioParams.sampleRate; //Deposit audio data for the first (left) channelbyteBuffer.putShort((short)(8000*Math.sin(2*Math.PI*freq*time)));//Deposit audio data at a different frequency in the second (right) // channel.byteBuffer.putShort((short)(8000*Math.sin(2*Math.PI*freq*time*2.2))); }//end for loopreturn melody;}//end method getMelody //-------------------------------------------------------------------------//}//end class TonesStereo //===========================================================================//

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
Alexandre
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
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
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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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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