This study explores the effect of different speaker intonation strategies in audio messages on attention, autonomic arousal, and memory. In this study, participants listened to 16 radio commercials, produced to vary in pitch range across sentences. Dependent variables were self‐reported effectiveness and adequacy, psychophysiological arousal and attention, immediate word recall and recognition of information. Results showed that messages conveyed with pitch variations achieved better scores compared to commercials with a homogenous pitch range across the sentences. This was especially the case when high pitch intonation was followed by low pitch within a sentence. The results increase our understanding of the influence of pitch range on processing by establishing a concrete strategy as a best practice for improving attention and memory.

Intonation is a vehicle for communication, which sometimes contributes greater meaning than the semantic content of speech itself. This prosodic element lends the message linguistic and paralinguistic meaning, which carries a highly significant communicative value when conveying emotional states. For this reason, this article analyses the use of intonation as an instrument for arousing various sensations in the listener. The aim was to verify which elements of intonation are more decisive to generate a specific sensation. Experimental research is conducted, in which certain pitch patterns (pitch levels and contour type) are assigned different emotions (joy, anxiety, sadness, and calmness) and are then listened to and assessed using a questionnaire with a bipolar scale of opposed pairs, by a sample audience comprising 100 individuals. The main conclusion drawn is that, although both the variables analyzed--pitch level and contour type--are representative of expressing emotions, contour type is more decisive. In all the models analyzed, contour type has been highly significant and constitutes the variable that has been determined as the final component for recognizing various emotions.

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