SPEECH SYNTHESIS METHOD AND RELATED DEVICE

A speech synthesis method and a related device. The method comprises: determining a user identity according to a current input speech of the user; acquiring an acoustic model from an acoustic model library (1033) according to the current input speech; determining basic speech synthesis information according to the user identity, the basic speech synthesis information representing variations in a preset sound speed, a preset volume, and preset pitch of the acoustic model; determining a reply text; determining enhanced speech synthesis information according to the reply text and contextual information, the enhanced speech synthesis information representing variations in a preset timbre, an intonation, and a preset rhythm of the acoustic model; and using the acoustic model to perform speech synthesis on the reply text according to the basic speech synthesis information and the enhanced speech synthesis information so as to acquire a speech used as a reply to the user. The method enables a device to provide a per