Speech Processing by Computer

 

LECTURE 7

TEXT TO SPEECH SYSTEMS

 

Objectives

 

By the end of the session you should be able to:

        explain the difference between speech coding and speech synthesis

        describe the basic components of a text-to-speech system

        list the main processing issues facing each component and have some idea of how these problems are addressed

 

Outline


 

7.      Text to Speech Systems

7.1.   Types of speech synthesis system

7.1.1.      Speech coding vs. speech synthesis

7.1.2.      Synthesis by rule

7.1.3.      Synthesis from corpora

7.2.   Components of a TTS system

7.2.1.      Concept to text

7.2.2.      Text normalisation

7.2.3.      Syntactic analysis and phrasing

7.2.4.      Pronunciation

7.2.5.      Intonation

7.2.6.      Phonetic realisation

7.2.7.      Durations

7.2.8.      Signal generation

 

Reading

 

'Spoken Output Technologies', Survey of the State of the Art in Human Language Technology, Ed. Ron Cole, http://cslu.cse.ogi.edu/HTLsurvey/, Chapter 5.