Basics The Dysphonia Severity Index (DSI) is designed as an objective and quantitative correlate of voice quality. It is based on a multivariate analysis of an extended database of more than 1000 normal and pathologic voices for the multi-center study trial initiated by the Belgian Study Group on Voice Disorders (Van de Heyning, et al., 1996). Per patient, more than 45 voice characteristics and...

Improving expressiveness in singing voice synthesis systems requires to perform realistic timbre transformations, e.g. for varying voice intensity. In order to sing louder, singers tend to open their mouth more widely, which changes the vocal tract’s shape and resonances. This study shows, by means of signal analysis and simulations, that the main effect of mouth opening is an increase of the 1...

Voice is the sound produced in a person's larynx and uttered through the mouth, as speech or song. Like finger prints and the iris of the eye the voice of each person is unique. The parameters of a person’s voice differ in pitch, timber and vocal intensity. Hence it can be authentication. In this paper feature extraction methods used are Linear Predictive Coding, Fast Fourier Transform and wave...

This paper proposes a new haptic interface called ComTouch to augment remote voice communication by integrating a touch-to-vibration mapping into a cellular phone. The goal of this work is to enrich interpersonal communication by complementing voice with a new tactile channel. ComTouch, a one-handed device, converts pressure into vibrational intensity between users in real-time. We present prel...

It has been long speculated that expression of emotions from different modalities have the same underlying ‘code’, whether it be a dance step, musical phrase, or tone of voice. This is the first attempt to implement this theory across three modalities, inspired by the polyvalence and repeatability of robotics. We propose a unifying framework to generate emotions across voice, gesture, and music...

The voice has been used to classify the four constitution types, and to recognize a subject's health condition by extracting meaningful physical quantities, in traditional Korean medicine. In this paper, we propose a method of selecting the reliable variables from various voice features, such as frequency derivative features, frequency band ratios, and intensity, from vowels and a sentence. Fur...

Human speech signal is an acoustic wave, which conveys the information about the words or message being spoken, identity of the speaker, language spoken, the presence and type of speech pathologies, the physical and emotional state of the speaker. Speech under physical task stress shows variations from the speech in neutral state and thus degrades the speech system performance. In this paper we...

background : a head and neck (h&n;) cancer severely affect the voice and compromises the patient’s vocal independence. the present study proposed to investigate the difference in the three vital components of voice the pitch, jitter and shimmer in h&n; cancer patients and compared it with age matched healthy volunteers. methods : the voice parameters were ascertained in the freshly diagnosed h&...

The aim of the present investigation was to study hoarseness and its perceptual, acoustic and physiological characteristics in ten-year-old children’s voices. Fifty-eight children’s voices were perceptually evaluated along 15 voice parameters. The rank ordered means of each parameter revealed a discontinuity in the distribution for all parameters except pitch, breathiness and vocal fry. This di...