Phonemes are the basic mouth shapes used to create all the various sounds. The best way to learn the basic phonemes is to get a mirror and look at your facial expressions while making different sounds. For example, when making an O sound, your mouth is open and round, and when making the TH sound, the lips are almost closed and the tongue sticks out just a little.
Each bit of spoken dialogue can be broken down into its phoneme components, and combining several phonemes together, you can create words and sentences.
Phoneme lip-sync is only available within Anime Studio Pro.
For example, the word poor consists of three phonemes, the first one pulls the lips together to make the P sound, the second one curves the lips ...