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


HOME ยป 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?

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.

C & C++ & C#

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?

Web Design

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'.

Programming Languages
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!
Hardware
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
Mobile Programming

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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