Voice Conversion

Objective

Voice conversion’s aim is to change a particular speakers voice so that it is perceived as if it was spoken by another speaker.

 

Applications

 

Voice conversion has application in text to speech synthesis, voice editing for films, Karaoke, broadcasting and multimedia voice applications.

Voice Demonstrations

Example 1:

Original Voice
Slide1.JPG (49778 bytes) American Male's Voice
Michael_175_200.gif (12765 bytes) British Male's Voice
MrsClinton_175_220.gif (7011 bytes) American Female's Voice
Converted Voice
GeorgeMichael_Mask_175_220.gif (8989 bytes) American Male to British Male
mask_george_hill.jpg (11401 bytes) American Male to American Female
 

 

Example 2:

 

Source Speech      Target Speech    Converted Speech 

 

 

System Overview

 

Two stage process:

 

A) Modelling the voice features of the source and target speakers

 

 

 

 

B) Voice Conversion

 

 

 

 

 

1. INTRODUCTION

2. OVERVIEW OF THE MODEL-BASED VOICE CONVERSION METHOD

3. FORMANT ESTIMATION

4.  PARAMETRIC FORMANT TRANSFORMATION

5.  ESTIMATION AND TRANSFORMATION OF GLOTTAL PULSE

6.  ESTIMATION AND TRANSFORMATION OF SPEAKING RATE AND PHONEME DURATION PATTERNS

7. ESTIMATION AND TRANSFORMATION OF PITCH AND INTONATION PATTERNS

8. FUTURE WORK

9. REFERENCES