Turbulent Noise Sources for Speech

Publisher Website
Google Scholar
Abstract
Nine speakers produced the syllables [[infinity][LAMBDA]] and [s[LAMBDA]] at various speech effort levels and utterance rates while simultaneous recordings were made of the intraoral air pressure, oral airflow rate, and sound pressure level associated with each consonant. Measurements of the recordings were made and an aerodynamic equation was used to calculate the area of the maximum oral constriction at selected times during the consonants. It appears that sound pressure level variations within [infinity] and [s] are positively related to intraoral air pressure changes and, in general, inversely related to the area of the maximum oral constriction. Changes in the peak sound pressure level of [infinity] and [s] are achieved by most speakers through similar changes in air pressure and oral airflow in conjunction with a relatively constant area of the maximum oral constriction. Air pressure, airflow, and constriction area were not affected by utterance rate.

This publication has 3 references indexed in Scilit: