Probably not for free. I also haven't done this kind of work in over a decade. The current links I have are: Annosoft's SDK: http://www.annosoft.com/prices h

Probably not for free. I also haven't done this kind of work in over a decade. The current links I have are: Annosoft's SDK: http://www.annosoft.com/prices http://www.annosoft.com/prices Annosoft made a command-line front-end to the Microsoft Speech API, which is what many of these other Windows-based systems may also use, and I used in a project in 1999-2001: http://www.annosoft.com/sapi_lipsync/docs/ http://www.annosoft.com/sapi_lipsync/docs/ (There are other SAPI front-ends if you dig around online, too.) Others, including open-source ones: http://en.wikipedia.org/wiki/List_of_speech_recognition_software http://en.wikipedia.org/wiki/List_of_speech_recognition_soft... Magpie, used in animation and gaming: http://www.thirdwishsoftware.com/magpiepro.html http://www.thirdwishsoftware.com/magpiepro.html Crazytalk, used in animation, uses SAPI: http://www.reallusion.com/crazytalk/crazytalk.aspx http://www.reallusion.com/crazytalk/crazytalk.aspx FaceFX, used in gaming: http://www.facefx.com/documentation/2013.2/W194 http://www.facefx.com/documentation/2013.2/W194 Source Filmmaker includes it, although I'd be surprised if it wasn't Sphinx or SAPI or some other existing library: https://developer.valvesoftware.com/wiki/SFM/Lip-sync_animation_and_Extract_Phonemes https://developer.valvesoftware.com/wiki/SFM/Lip-sync_animat...