Comparison of three technical papers presented at SIGGRAPH 2017 in the "Speech and Facial Animation" session. http://s2017.siggraph.org/technical-papers/sessions/speech-and-facial-animation Tero Karras, Timo Aila, Samuli Laine, Antti Herva, and Jaakko Lehtinen. Audio-Driven Facial Animation by Joint End-to-End Learning of Pose and Emotion. ACM Trans. Graph. 36, 4, Article 94 (July 2017). http://r