3 ms·
see also: http://www.douglas-self.com/MUSEUM/COMMS/ear/ear.htm http://www.douglas-self.com/MUSEUM/COMMS/ear/ear.htm
by quietriot 8y ago
see also: http://www.douglas-self.com/MUSEUM/COMMS/ear/ear.htm http://www.douglas-self.com/MUSEUM/COMMS/ear/ear.htm