Information processing device and non-transitory computer-readable medium storing information processing program

A non-transitory computer-readable medium storing an information processing program that is executable by a computer to perform processing comprising:

• acquiring one piece of audio data of a user,
• extracting a plurality of pieces of audio data that have been extracted during a predetermined time period from the one piece of audio data, the plurality of pieces of audio data being extracted by moving the time period by a predetermined unit time,
• estimate respective feature amounts indicating an emotion of the user from each of the plurality of pieces of audio data, by using an estimation model obtained by executing machine learning for estimating feature amounts indicating an emotion of the user from the plurality of pieces of audio data that have been extracted, and
• determine the emotion of the user indicated by the one piece of audio data, by using the respective feature amounts corresponding to the plurality of pieces of audio data.