convert file into high frequency sound wave, and convert it back


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I have read a novel about hacking. In the book i read that the hacker convert the file into high frequency sound wave, from the beep of POST sound. And he record it with mobile phone, then on his computer he reconverted the sound file into the Original file. I want to know how to do that? By help of which software?


Related to : convert file into high frequency sound wave, and convert it back
how to convert sound wave to midi in c#
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Does anyone know how to convert an analog sound wave to a MIDI file?


I know that differs from WAV to MP3, but that's not important for now. I only want to learn the basic logic of the conversion. If anyone can give me some article or some source code about it, I will appreciate it.


convert file into high frequency sound wave, and convert it back
Web Design

I have read a novel about hacking. In the book i read that the hacker convert the file into high frequency sound wave, from the beep of POST sound. And he record it with mobile phone, then on his computer he reconverted the sound file into the Original file. I want to know how to do that? By help of which software?


Convert file (or byte[]) into ascii, then convert that ascii back into the original file
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I'm using an old technology called RTTY to send data (it's basically fancy Morse Code) over radio.


RTTY can only transmit ascii characters


What I want to do is convert a file such as a small jpg or something similar into a block of ascii text, send the characters over radio, then convert the characters on the remote end back into the original file.


Some help getting started would be great.


I know I need to use StreamReader but then how can I convert the byte[] into an encoded ascii string that I can then 'decode'.


How to convert file BWF into wave or mp3 ?
Web Design
Archived from groups: rec.audio.tech (More info?)
Hello,
I do not can convert files .bwf into wave or mp3 format. How to do?
Thank you!
how convert a wave file in byte
Web Design
i dontspeak english, but i will try again
Hi! my code:
{
Player player;
RecordControl recordControl;
player = Manager.createPlayer("capture://audio");
player.realize();
recordControl = (RecordControl)player.getControl("RecordControl");
recordControl.setRecordLocation("file:///root1/audio.wav");
recordControl.startRecord();
player.start();
Thread.currentThread().sleep(5000);
player.stop();
recordControl.stopRecord();
recordControl.commit();
}
when finished i can open the file 'audio.wav' for get your properties and converto to byte for rms stora
Need to help to convert Wave File?
Web Design

Hi

I need to convert my .wav file to .ulaw file? how do i do this? I tried using audacity and SOx but no use. will any one suggest me the good conversion software


Regards
Bhuvan



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