What are the 3types of circumplex intonation?

The three types of circumplex intonation patterns are rising, falling, and level. Rising intonation is when the pitch of the voice rises at the end of a sentence indicating a question or uncertainty. Falling intonation is when the pitch of the voice falls at the end of a sentence indicating a statement or completion. Level intonation is when the pitch of the voice remains relatively constant indicating neutrality or lack of emphasis.