Abstract: A text-to-speech synthesis method, an electronic device, and a computer-readable storage medium are provided. The method includes: obtaining prosodic pause features of an input text by performing a prosodic pause prediction processing on the input text, and dividing the input text into a plurality of prosodic phrases according to the prosodic pause features; synthesizing short sentence audios according to the prosodic phrases by performing a streamed speech synthesis processing on each of the prosodic phrases in the input text in a manner of asynchronous processing of a thread pool; and performing an audio playback operation of the input text according to the short sentence audios corresponding to the first prosodic phrase of the input text, in response to synthesizing the short sentence audio corresponding to the first prosodic phrase of the input text.

Abstract: A method for generating a talking head video includes: obtaining a text and an image containing a face of a user; determining a phoneme sequence that corresponds to the text and includes one or more phonemes; determining acoustic features corresponding to the text according to the phoneme sequence, and obtaining synthesized speech corresponding to the text according to the acoustic features; determining a first mouth movement sequence corresponding to the text according to the phoneme sequence, and determining a second mouth movement sequence corresponding to the text according to the acoustic features; creating a facial action video corresponding to the user according to the first mouth movement sequence, the second mouth movement sequence and the image; and processing the synthesized speech and the facial action video synchronously to obtain a talking head video corresponding to the user.