Algorithm of persuasive talk in pitch and duration

The research is concerned with prosodic rhythm coordinating the impact of pragmatic value and novelty factor on the prosodic properties of words. The corpus is unique in its authenticity and optimization for human perception through long-term practice. The words representing the cognitive scenario of persuasive monologue are found to belong to the foreground, a prominence category, within which gradience is established dependent on consecutive occurrences and pragmatic value of words. Prosodic prominence is further distributed in a patterned way for the initial, medial and final positions in the intonation phrase (ip). Thus the pragmatic and novelty forces appear to comply to the major type of prosodic rhythm of ip.measured in pitch and duration. The results of spoken language analysis might be relevant for speech coding, speech recognition and persuasion.