Rhetorical Features and Prosodic Parameters |
Informational Dimension |
Interactional Dimension |
Manner of delivery |
Speaking impressively |
Speaking naturally |
Style |
Academic |
Elements of conversational style |
Key |
High, medium |
Low, medium |
Pitch ranges |
Mostly broad and medium, varied (7-25 semintones) |
Medium, narrow (5-16 semitones) |
Nuclear tones |
High Fall, Fall-Rise, Rise-Fall-Rise, Low Rise in non-final intonation group |
Mid Level Tone, Low Fall, Fall-Rises, Mid Fall, Low Rise |
Pre-nuclear patterns |
High Level Head, Falling Head, Stepping Head, Sliding Head |
Low Level Head, Mid Level Head, Falling Head |
Rate of speech |
varies from medium to slow (185 – 250 msec) |
varies from fast to medium (130-220 msec) |
Pauses |
syntactic pauses (250 - 1400 msec); the duration of emphatic pauses varies from 200 to 1600 msec. |
syntactic pauses (200-600 msec); emphatic pauses (250 - 800 msec); hesitation pauses (vocalised and non-vocalised) duration varies from 200 to 1600 msec |