A Synthetic Voice for an Assistive Conversational Agent: A Survey to Discover Italian Preferences regarding Synthetic Voice’s Gender and Quality Level

Figure 2

Section 3 scores attributed by each age group to HQ female and male voices and LQ female and male voices, respectively. The symbol “” above the bars indicates the statistically significant comparisons. Responses vary between 6 and 30 (where higher scores correspond to negative evaluation, while lower scores reflect positive evaluation), since the total score is calculated by summing the participants’ responses to 6 questions.