Assertion: human voice | /r/MadeOf | sound
Facets:
Source sentences:
text: The human voice consists of sound made by a human being using the vocal tract, such as talking, singing, laughing, crying, screaming, shouting, yelling etc.
text: The human voice consists of sounds generated by the opening and closing of the glottis by the vocal cords, which produces a periodic waveform with many harmonics.