From my last post about TV ad audio, I examined about differences between sights and sounds.
It is oftenly said that people gain 80% of the outside information from their sights. But does that mean that eyes are the most superior sensory organs? I must say that's probably no. While sight provides us lots of information, its valid range is unexpectedly small.
Theoretically, the angle of human sight is about 110 degrees. However, the angle that humans can actually see consciously is within the range of 50 degrees. It is less than one sixth of a complete circle. As I mentioned in the previous post, in such a reality, it is hard for us to recognize a visual ad if we are already paying attention to something else.
On the other hand, we can recognize sounds from any direction. Our ears do not have a blind spot. Even when there is a screen that hides the figure visually, we may still hear the sound. When we work on computers, we usually do not use our ears that constantly (unless we are accessin YouTube or something like that). Therefore, it is easy for us to catch an aural ad.
As a conclusion, eyes are superior to ears in terms of precision, but ears have a wider cover range. I believe the aural information is more efficient to create a prompt for the audience to watch the ad.