15. The method according to claim 14 , wherein the processor determines that the current emotional state of the audio signal changes to the other emotional state of the plurality of emotional states when the emotional state of a predetermined number of the plurality of segments are the other emotional state with the confidence score of the emotional state of each of the predetermined number of the plurality of segments being below a predetermined threshold.
15. The method according to claim 14 , wherein the processor determines that the current emotional state of the audio signal changes to the other emotional state of the plurality of emotional states when the emotional state of a predetermined number of the plurality of segments are the other emotional state with the confidence score of the emotional state of each of the predetermined number of the plurality of segments being below a predetermined threshold. 16. The method according to claim 15 , further comprising determining, by the system, that the current emotional state of the audio signal changes to the other emotional state of the plurality of emotional states when, for the predetermined number of the plurality of segments, the emotional state is not equal to the current emotional state with the confidence score of the emotional state being greater than the predetermined threshold.