Recent content by Piotr99

Of course, I think the limits are 120 dB for Ultrasound based on WHO but I saw some standards stating lower limits. Why is dangerous because causing all kinds of non-auditory discomforts and probably more stuff.. But my theoretical questions is how high levels of ultrasound can be created in...

Hi Mentor, Thank you for reply. This is a question which is going on top of my head as I am approaching Acoustics and Ultrasound subject.

Hi there! My name is Piotr! I am Diploma student, subject Acoustics and Noise Control. I am looking forward to hear you all soon. Piotr

Please can someone explain me how high levels of ultrasound can be created in Air? Should we consider the Ultrasound or we should concentrate only on sound level in Air as frequency ultrasound have no effect on sound level?