Vol. 32 (5) 2011 Neuro endocrinology letters

Verification of endocrinological functions at a short distance between parametric speakers and the human body.

OBJECTIVE: In recent years, a new type of speaker called the parametric speaker has been used to generate highly directional sound, and these speakers are now commercially available. In our previous study, we verified that the burden of the parametric speaker was lower than that of the general speaker for endocrine functions. However, n.....