This website documents and maps the self-reported data from people around the world who can hear The Hum, and also provides a serious and disciplined forum for scientific investigations and commentary.

This is the beta version of the search interface for the World Hum Map. Click here for a quick tutorial..

Map This is the beta version of the search interface for the World Hum Map. You can search, filter, and display points from the old survey (red), from the new enhanced survey (in blue), or both.

It is very useful to start by determining the frequency of the perceived hum. This can give important clues as to whether the hum is likely to be environmental or internal. See some hints below.

The fact that a hum sensation in this way may be proven to be of internal origin does not exclude that it may be caused or triggered by some external influences, like earlier exposure to various forms of radiation, medication, auditory overload or …