Insteadofrelyingoncomplicatedstepslikemaking a 3D modelofthefaceortryingtomapoutallthefacialfeaturesexactly, itjumpsstraightfromthesoundtomakingthevideo.
Itcouldbesomeonesuperrealistic, a characterfromyourfavoriteanimeoreven a 3D modelanditworkswithanykindofvoiceinput, actualspeech, singingorcomputer-generatedvoices.
Lastly, thespeedcontrollayeradjuststhepaceofheadmovementstomatchtheaudioinput, preventingunnaturallyfastorslowmotionsandensuring a morenaturalandconsistentmovement.