Method and entertainment system with a real-time avatar from the voice of a caller.

This is a method and an animation system on a screen (3, 3 ', 3' ') of mobile device (4, 4', 4 '') of an avatar (2, 2 ', 2' ') provided with a mouth (5, 5') from a sound input signal (6) corresponding to the voice (7) of a contact (8) for communication telephonique.On converts in real time the sound input signal into an audio and video stream in which synchronizes the movements of the mouth of the avatar with the phonemes detected in said sound input signal, andthe anime avatar coherently with said signal by changes in attitude and movement by analyzing said signal, so that the avatar appears to speak in real time or substantially real-time instead of the caller.