Speech

Speech uttered by an adult male human.

Speech uttered by an adult female human.

Speech uttered by a human child, i.e. a human whose voice does not yet resemble that of an adult.

Interactive, spontaneous spoken communication between two or more people.

Speech by a single human aimed at an audience (either present or assumed, as in a video blog).

Speech-like sounds uttered by a human that lack the deeper structure and meaning of conventional speech. Babbling is a stage in a child's development of language.

Artificially-produced human speech.