well some people may see the sound waves some people have a strange ability when its possible that the parts of the brain devoted to vision is small. my guess would be somewhat similar to like daredevil the movie. when it rains he can see and when certain noises happen the soundwaves move and causes him to see some :)
No
eardrum
Yes
Soundwaves - 1983 was released on: USA: 30 March 1983 (San Francisco, California)
No.
Alot of them use a sonar-like sensors that emit soundwaves to help them "see".
soundwaves
The cast of Soundwaves - 1983 includes: Steven Kirk as Himself - Host Dennis Willis as Himself - Host
?? soundwaves?
Talking and listening.
That would be frequency.