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Seminar on Voice Quality

Seminar on Voice Quality

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Reference ID: PS-24330-TM

DEDICATION

This research work titled "Seminar on Voice Quality" is dedicated to God for his enabling grace and to all computer enthusiasts who help to make life a pleasant experience.

ACKNOWLEDGEMENT

I owe my indebtedness to my Supervisor (Name of your Supervisor), the Head of Department (Name of your HOD), the Lecturers in the department of Computer Science Education, Book Authors and Profound Scholars of existing/related research material for your moral support that facilitated the successful completion of my (Tertiary Institution level). I am grateful to God Almighty and my parent for their financial support in my career. I really appreciate you all for everything, Thank you very much.

Seminar on Voice Quality

CHAPTER ONE

1.1 Introduction

The term voice quality is used to describe the quality of sound produced with a particular setting of the vocal folds, including modal phonation that produces a plain or normal voice quality and the non-modal phonation of breathy and creaky voice qualities. Voice quality provides information at multiple levels of linguistic organization, and manifests itself through acoustic cues including F0, and information in spectral and temporal structures. If we can reliably extract acoustic features that differentiate phones that differ from each other regarding voice quality, then such a difference can be modeled in an Automatic Speech Recognition system (ASR) with the goal of improving recognition performance. The acoustic source of voiced speech sounds such as vowels is airflow through the glottis. Quasi- periodic vibration of the vocal folds affects airflow, and can be measured in terms of the volume velocity waveform. The glottal source waveform constitutes an input signal to the vocal tract, which functions as a resonator or a filter that modulates the signal (Fant 1960).

As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the Aim and Objectives of the study. Others are Significance of the study, Scope of work, Limitations of the Study and Definition of technical terms.

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CHAPTER TWO

2.0 Literature Review

2.1 Introduction

This chapter focuses on the review of related literature. A literature review includes the current knowledge as well as theoretical and methodological contributions to a particular topic. It documents the state of the art with respect to the topic you are writing. It surveys the literature in the topic selected. In this research work the literature review includes the …

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