On H1–H2 as an acoustic measure of linguistic phonation type

Chai, Yuan; Garellek, Marc

doi:10.1121/10.0014175

Cited by 8 publications

(6 citation statements)

References 64 publications

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“…However, a more likely possibility could be that senior Shanghainese speakers rely more on other acoustic cues instead of plain VOT differences. These factors can be said to include tonal differences, phonation types, H1-H2, and so on [11]. In fact, this is exactly the case, as is stated in the introduction, and the deviance of the results from the hypothesis shows that these are unignorable factors.…”

Section: Discussionmentioning

confidence: 88%

Comparing the Discrimination of /b/-/p/-/p/ among Shanghainese and Mandarin Native Speakers

Kang

2023

CHR

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Shanghainese speakers show a variety of phonological phenomena depending on the region and age of the speaker. Junior Shanghainese speakers exhibit a mixture of Mandarin and Shanghainese phonology and usually speak Shanghainese with many discernible differences compared to the old generation of Shanghainese speakers. Crucially, Shanghainese speakers often acquire Shanghainese as a second language and transfer Mandarin phonology to it. This paper aims to examine the ability to discriminate the three-way contrast /b/-/p/-/p/ among senior Shanghainese speakers, junior Shanghainese speakers, and Mandarin speakers through an experimental study. The experiments show that: 1) Senior Shanghainese speakers perform less well when presented with isolated stop sounds, and they use other acoustic cues rather than plain VOT differences in everyday speech; 2) the acquisition of Shanghainese as a second language only has a limited effect on junior Shanghainese speakers internal phonology. Therefore, the contribution of this study is that it has determined the importance of VOT in the discrimination of Shanghainese stops and has explored the degree of influence exerted by the acquisition of an L2.

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Section: Discussionmentioning

confidence: 88%

Comparing the Discrimination of /b/-/p/-/p/ among Shanghainese and Mandarin Native Speakers

Kang

2023

CHR

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“…As a measure of amplitude or intensity of the voice signal, increasing RMS energy is therefore related to a louder percept 13 . Lastly, H1‐H2 is associated with a quality continuum from “breathy” to “modal” to “strained,” and a decreasing amplitude difference between the first and second harmonics indicates a less breathy voice 20 . The variables were sampled every 5 ms from a 1‐s portion of stable phonation of each audio sample using VoiceSauce 21 .…”

Section: Methodsmentioning

confidence: 99%

“…13 Lastly, H1-H2 is associated with a quality continuum from "breathy" to "modal" to "strained," and a decreasing amplitude difference between the first and second harmonics indicates a less breathy voice. 20 The variables were sampled every 5 ms from a 1-s portion of stable phonation of each audio sample using VoiceSauce. 21 To validate our model, we additionally measured the resulting fundamental frequency and the subglottal pressure required for sustained phonation.…”

Section: Acoustic Analysismentioning

confidence: 99%

Effects of Thyroarytenoid Activation Induced Vibratory Asymmetry on Voice Acoustics and Perception

Chung,

Lee,

Reddy

et al. 2023

The Laryngoscope

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IntroductionAsymmetry of vocal fold (VF) vibration is common in patients with voice complaints and also observed in 10% of normophonic individuals. Although thyroarytenoid (TA) muscle activation plays a crucial role in regulating VF vibration, how TA activation asymmetry relates to voice acoustics and perception is unclear. We evaluated the relationship between TA activation asymmetry and the resulting acoustics and perception.MethodsAn in vivo canine model of phonation was used to create symmetric and increasingly asymmetric VF vibratory conditions via graded stimulation of bilateral TA muscles. Naïve listeners (n = 89) rated the perceptual quality of 100 unique voice samples using a visual sort‐and‐rate task. For each phonatory condition, cepstral peak prominence (CPP), harmonic amplitude (H1‐H2), and root‐mean‐square (RMS) energy of the voice were measured. The relationships between these metrics, vibratory asymmetry, and perceptual ratings were evaluated.ResultsIncreasing levels of TA asymmetry resulted in declining listener preference. Furthermore, only severely asymmetric audio samples were perceptually distinguishable from symmetric and mildly asymmetric conditions. CPP was negatively correlated with TA asymmetry: voices produced with larger degrees of asymmetry were associated with lower CPP values. Listeners preferred audio samples with higher values of CPP, high RMS energy, and lower H1‐H2 (less breathy).ConclusionListeners are sensitive to changes in voice acoustics related to vibratory asymmetry. Although increasing vibratory asymmetry is correlated with decreased perceptual ratings, mild asymmetries are perceptually tolerated. This study contributes to our understanding of voice production and quality by identifying perceptually salient and clinically meaningful asymmetry.Level of EvidenceN/A (Basic Science Study) Laryngoscope, 2023

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“…In the subsequent analysis, we also include measures of the individual harmonic amplitudes, because these can also be associated with differences across phonation types; for example, Esposito (2012) found that H1* was better than H1* − H2* at distinguishing modal and creaky phonation types. Chai and Garellek (2022) describe a different way to normalize H1 measurements, but that is not included in our data set.…”

Section: 2mentioning

confidence: 99%

A cross-language acoustic space for vocalic phonation distinctions

Keating¹,

Kuang²,

Garellek³

et al. 2023

lan

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Many languages use phonation types for phonemic or allophonic distinctions. This study examines the acoustic structure of the phonetic space for vowel phonations across languages. Our sample of eleven languages includes languages with contrastive modal, breathy, creaky, lax, tense, harsh, and/or pharyngealized phonations, and languages with allophonic nonmodal phonation on particular tones. In compiling and analyzing this sample we address related issues such as contrast vs. allophony, phonetic similarity across languages, and understanding complex contrasts of several multidimensional phonetic categories via data reduction. Based on extensive acoustic analysis, all of the languages' phonations were mapped into a single phonetic space, which exhibits dispersion (languages with more categories use more of the space). The space is largely two-dimensional, with dimensions that can be interpreted phonetically (e.g. dimension 2 is like a traditional breathy-to-creaky continuum) and also can be related back to the acoustic measures that structure them, thus indicating which acoustic measures are most important across languages.*

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On H1–H2 as an acoustic measure of linguistic phonation type

Cited by 8 publications

References 64 publications

Comparing the Discrimination of /b/-/p/-/p/ among Shanghainese and Mandarin Native Speakers

Comparing the Discrimination of /b/-/p/-/p/ among Shanghainese and Mandarin Native Speakers

Effects of Thyroarytenoid Activation Induced Vibratory Asymmetry on Voice Acoustics and Perception

A cross-language acoustic space for vocalic phonation distinctions

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