The hair cells near this area best detect low frequency sounds.
As dogs hear much higher frequency sounds than humans, they have a different acoustic perception of the world.
The panel doesn't move a great distance, however, so it is not very effective at producing lower frequency sounds.
Get high frequency sound in a medium like air and it breaks down fast, dissipates.
Ultrasound is high frequency sound that's above the range of human hearing.
The current device has two settings: the high frequency sound targeted at youth, and another that can be heard by everyone.
This technology was widely used but had certain issues such as dogs being bothered by the high frequency sounds.
But did you know that high frequency sounds can be used to bond materials together?
The pinna works differently for low and high frequency sounds.
There are various types of flow measurements utilizing high frequency sound.