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

Table 2

Preferred age range values (%) of the voices for each age group. Scores varied from 1 to 5 and reflected age ranges (1 = 19–28 years old; 2 = 29–38 years old; 3 = 39–48 years old; 4 = 49–58 years; 5 = 59+ years old).

Age preference (%)	19–28 years	29–38 years	39–48 years	49–58 years	59+ years
Adolescents	45.21%	37.77%	12.77%	3.72%	0.53%
Young adults	31.67%	53.89%	12.78%	1.67%	0.00%
Middle-aged	16.11%	40.56%	30%	11.67%	1.67%
Seniors	7.22%	26.11%	40.56%	20%	6.11%