You can approximate this sound by creating a sine wave with the same vibrations per second on a computer. The dominant frequency you hear when you pluck the D string on a guitar, called the fundamental frequency, is the 146.83 Hz, but you also hear certain multiples of that frequency ...
Binaural Sound Generator This program generates binaural sound files. It creates a stereo audio file with a sine wave on the left channel and another sine wave on the right channel. The user can specify the frequencies of the left and right channel, the duration of the sound, and the durati...