mel

11.02  mel. Unit of pitch height. By definition, a simple tone of frequency 1000 hertz, 40 decibels above a listener’s threshold, produces a pitch height of 1000 mels. The pitch height of any sound that is judged by the listener to be n times that of a...

pitch

11.01  pitch. That attribute of auditory sensation by which sounds are ordered on the scale used for melody in music. Annotation 1          Experiments have revealed several practical dimensions for pitch: (1) the...