your second point is relevant, I guess I failed to mention that I have previously recorded sounds on the recorder with a pretty flat response. So we can cancel out the internal microphone pick up as the source of the problem.
Thank you for the reply.
Further is there an equation that...
Take a two sound waves: for example let us spread them at both poles of the human hearing spectrum. The low frequency at 20Hz and the high at 20,000Hz.
Which sound wave carries with it more energy?
It is said that sound travels at 343m/s, is that true of all sound in the air medium...
So here is the situation:
At a particular site a crew of electrical workers were putting some transmission cable in the ground. The cable was off loaded from behind a trencher machine (the cable is in a roll of around 2000 feet). Some short time less than 4 hours another crew came to put some...