Vocal fundamental frequency and perturbation measurements of vowels by normal Malaysian Chinese adults

Hua Nong Ting, See Yan Chia, Kang Soo Kim, Siew Ling Sim, Badrulzaman Abdul Hamid

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The acoustic properties of vowel phonation vary across cultures. These specific characteristics, including vowel fundamental frequency (F 0) and perturbation measures (Absolute Jitter [Jita], Jitter [Jitt], Relative Average Perturbation [RAP], five-point Period Perturbation Quotient [PPQ5], Absolute Shimmer [ShdB], Shimmer [Shim], and 11-point Amplitude Perturbation Quotient [APQ11]) are not well established for Malaysian Chinese adults. This article investigates the F 0 and perturbation measurements of sustained vowels in 60 normal Malaysian Chinese adults using acoustical analysis. Malaysian Chinese females had significantly higher F 0 than Malaysian males in all six vowels. However, there were no significant differences in F 0 across the vowels for each gender. Significant differences between vowels were observed for Jita, Jitt, PPQ5, ShdB, Shim, and APQ11 among Chinese males, whereas significant differences between vowels were observed for all the perturbation parameters among Chinese females. Chinese males had significantly higher Jita and APQ11 in the vowels than Chinese females, whereas no significant differences were observed between males and females for Jitt, RAP, PPQ5, and Shim. Cross-ethnic comparisons indicate that F 0 of vowel phonation varies within the Chinese ethnic group and across other ethnic groups. The perturbation measures cannot be simply compared, where the measures may vary significantly across different speech analysis softwares.

Original languageEnglish
JournalJournal of Voice
Volume25
Issue number6
DOIs
Publication statusPublished - Nov 2011

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Phonation
Ethnic Groups
Acoustics
Software

Keywords

  • Fundamental frequency
  • Malaysian Chinese adults
  • Normal voice
  • Perturbation measurements
  • Sustained vowels

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing
  • LPN and LVN

Cite this

Vocal fundamental frequency and perturbation measurements of vowels by normal Malaysian Chinese adults. / Ting, Hua Nong; Chia, See Yan; Kim, Kang Soo; Sim, Siew Ling; Abdul Hamid, Badrulzaman.

In: Journal of Voice, Vol. 25, No. 6, 11.2011.

Research output: Contribution to journalArticle

Ting, Hua Nong ; Chia, See Yan ; Kim, Kang Soo ; Sim, Siew Ling ; Abdul Hamid, Badrulzaman. / Vocal fundamental frequency and perturbation measurements of vowels by normal Malaysian Chinese adults. In: Journal of Voice. 2011 ; Vol. 25, No. 6.
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