Manipulate sound files (sound wave files or *.wav files) often we need if we want to process the file is either for the purposes of reducing the file size as well as to learn or to filter the files in accordance with the purposes such as to see the frequency of sound waves that propagate in concrete, reduce noise and so on.
This time, I try to share my experience for users of Linux, how to manipulate a sound file (*.wav) using octave in linux (I use linux ubuntu version 10.04).
First of all, we record sound which we will take, it can use the program Audacity or Sweep on linux. This time I use the program Audacity like the following,
