LipSync MX - Version 1.0 LipSync MX, a ground-breaking and easy-to-use software for post synchronization gives a voice to Flash animation. From now on, every Flash MX designer can create realistic lip-sync in a snap. Simply with an audio file in most language, LipSync MX powerful algorithms will automatically produce timing and lip position data for your characters. LipSync MX analyzes the phonemes within the audio file and generates standard key frames.