Thoughts on the usage of audible smiling in speech synthesis applications

In this perspective paper we explore the question how audible smiling can be integrated in speech synthesis applications. human-human communication, serve various functions, such as signaling politeness or a marker of trustworthiness and other aspects that raise maintain social likeability speaker. However, human-machine is nearly unexplored, but could an advantage different applications dialog systems. The rather limited knowledge details their exploitation for great challenge. This also true modeling spoken dialogs testing it with users. Thus, argues to fill research gaps identifying factors constitute affect order incorporate major claim focus on dynamics levels.