18. The machine-readable storage medium according to claim 17 , wherein the determining whether the current emotional state of the audio signal changes to the other emotional state is based on a determination that the emotional state of a predetermined number of the plurality of segments is the other emotional state with the confidence score of the emotional state exceeding the predetermined threshold.
18. The machine-readable storage medium according to claim 17 , wherein the determining whether the current emotional state of the audio signal changes to the other emotional state is based on a determination that the emotional state of a predetermined number of the plurality of segments is the other emotional state with the confidence score of the emotional state exceeding the predetermined threshold. 19. The machine-readable storage medium according to claim 18 , wherein the predetermined number of the plurality of segments are consecutive in the audio signal.