Patent №
US 11,727,915
Granted
2023-08-15
Filed 2023
Owner
FUJIAN TQ DIGITAL INC.
+1 more
Lab
—
AI components
5
ml · nlp · vision · speech · planning
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
18156007
Disclosed are a method and a terminal for generating simulated voices of virtual teachers. Real voice samples of teachers are collected and converted into text sequences, and a text emotion polarity training set and a text tone training set are constructed according to the text sequences; a lexical item emotion model is constructed based on lexical items in the text sequences and is trained by using the emotion polarity training set, and word vectors, an emotion polarity vector, and a weight parameter are obtained by training; and the similarity between the word vector and the emotion polarity vector is calculated, and emotion features are extracted according to a similarity calculation result, a conditional vocoder is constructed according to the voice styles and emotion features to generate new voices with emotion changes. The method and the terminal contribute to satisfying the application requirements of high-quality virtual teachers.
AI classification
Ownership
FUJIAN TQ DIGITAL INC.
assignment · 624100127
CENTRAL CHINA NORMAL UNIVERSITY
assignment · 624100127
Assignors
LIU, DEJIAN, FANG, ZHENHUA, ZHONG, ZHENG, XU, JIAN
On an employer assignment, the assignors are typically the inventors.