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Related Experiment Video

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Determining Ultrasonic Vocalization Preferences in Mice using a Two-choice Playback Test

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Published on: September 3, 2015

Sex-specific fundamental and formant frequency patterns in a cross-sectional study.

S P Whiteside¹

¹Department of Human Communication Sciences, University of Sheffield, United Kingdom. s.whiteside@sheffield.ac.uk

The Journal of the Acoustical Society of America

|August 18, 2001

Summary

This study reexamines speech data, revealing age- and sex-specific patterns in vowel production. These developmental differences in fundamental and formant frequencies depend on vowel type and are influenced by various factors.

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Published on: May 23, 2017

Area of Science:

Acoustic phonetics
Speech development
Linguistics

Background:

Previous research by Lee et al. (1999) extensively studied developmental acoustic patterns in speech.
This study reanalyzes selected fundamental frequency (F0) and formant frequency (F1, F2) data from that report.

Purpose of the Study:

To investigate age- and sex-specific patterns in monophthong acoustics.
To explore these patterns using both raw acoustic data and the critical band rate (bark) scale.
To examine acoustic-phonetic dimensions including vowel space, speaker centroids, sex-specific frequency differences, vowel openness/closeness, vocal effort, and formant ranges.

Main Methods:

Reexamination of fundamental frequency and formant frequency data for ten monophthongs.
Analysis of age- and sex-specific patterns using two distinct approaches.
Application of the critical band rate (bark) scale and acoustic-phonetic dimensions.

Main Results:

Both analytical approaches identified distinct age- and sex-specific developmental patterns in speech.
These patterns were found to be dependent on whether the vowels were peripheral or nonperipheral.
Emergence of sex-specific differences is discussed in relation to anatomical, physiological, sociophonetic, and cultural factors.

Conclusions:

Speech development exhibits significant age- and sex-specific characteristics.
Vowel type (peripheral vs. nonperipheral) influences the manifestation of these developmental patterns.
Further research is proposed to explore age-linked sex differences in speech across the lifespan.