I'm not sure everyone is hearing the same sound. Some people hear higher/lower frequencies better than the others. The signal that the brain receives is complet

I'm not sure everyone is hearing the same sound. Some people hear higher/lower frequencies better than the others. The signal that the brain receives is completely different from person to person. The sense of color is probably more consistent in that respect, although some people see less colors (colorblindness), and some see more (tetrachromacy).