Fundamental Frequency and Intensity Effects on Cepstral Measures in Vowels from Connected Speech of Speakers with Voice Disorders

Sampaio, Marília; Bohlender, Jürgen; Brockmann-Bauser, Meike

doi:10.1016/j.jvoice.2019.11.014

Cited by 20 publications

(12 citation statements)

References 37 publications

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“…66 The medial five-second portion of each ten-second signal was extracted to avoid any onset or offset artifacts 67 and analyzed using PRAAT 68 (v. 6.1.5 for mac), which has been used extensively in both voice research and clinical applications and has proven validity in cepstral analysis. 1,3,16,69 CPPS was determined for each tone using the 'To PowerCepstrogram' function, following the method reported in Watts et al, 3 and used by others. 1,16,19 It is important to note that the 'Peak search pitch range (Hz)' was increased from 60 to 330 Hz (standard) to 60 to 1000 Hz to accommodate the f o of all generated tones in Conditions 1.1 and 1.2.…”

Section: Discussionmentioning

confidence: 99%

“…1,3,16,69 CPPS was determined for each tone using the 'To PowerCepstrogram' function, following the method reported in Watts et al, 3 and used by others. 1,16,19 It is important to note that the 'Peak search pitch range (Hz)' was increased from 60 to 330 Hz (standard) to 60 to 1000 Hz to accommodate the f o of all generated tones in Conditions 1.1 and 1.2. PRAAT has two available methods for determining CPPS, however the newer method used here has proven to be robust and is simpler in implementation.…”

Section: Discussionmentioning

confidence: 99%

“…48−54 The f o changes during vibrato may have a 'smearing' effect on the smoothed cepstrum and thus obscure accurate CPPS measurement − a large VE may 'smear' the cepstrum to a greater degree than a small VE. As SPL has been seen to significantly affect CPPS values in the speaking voice − where increased SPL results in increased CPPS 16,17 − we may expect to see the same effect in the singing voice. However, as the measurement of SPL can be impacted by recording conditions and methods and is influenced by the first formant, 55,56 the use of source-spectrum tilt (dB/octave) as an indication of intensity may be a more reliable parameter to consider, as it specifically relates to the spectrum of the voice source.…”

Section: Cpps and The Singing Voicementioning

confidence: 91%

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CPPS and Voice-Source Parameters: Objective Analysis of the Singing Voice

et al. 2024

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In recent years cepstral analysis and specific cepstrum-based measures such as smoothed cepstral peak prominence (CPPS) has become increasingly researched and utilized in attempts to determine the extent of overall dysphonia in voice signals. Yet, few studies have extensively examined how specific voice-source parameters affect CPPS values. Objective. Using a range of synthesized tones, this exploratory study sought to systematically analyze the effect of fundamental frequency (f o ), vibrato extent, source-spectrum tilt, and the amplitude of the voice-source fundamental on CPPS values. Materials and Methods. A series of scales were synthesised using the freeware Madde. Fundamental frequency, vibrato extent, source-spectrum tilt, and the amplitude of the voice-source fundamental were systematically and independently varied. The tones were analysed in PRAAT, and statistical analyses were conducted in SPSS.Results. CPPS was significantly affected by both f o and source-spectrum tilt, independently. A nonlinear association was seen between vibrato extent and CPPS, where CPPS values increased from 0 to 0.6 semitones (ST), then rapidly decreased approaching 1.0 ST. No relationship was seen between the amplitude of the voice-source fundamental and CPPS. Conclusion. The large effect of f o should be taken into account when analyzing the voice, particularly in singing-voice research, when comparing pre and posttreatment data, and when comparing inter-subject CPPS data.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Cpps and The Singing Voicementioning

confidence: 91%

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CPPS and Voice-Source Parameters: Objective Analysis of the Singing Voice

et al. 2024

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“…In addition to this, these studies were primarily concentrated on English speakers (72.7%), while only 27.3% of studies involved other languages. A total number of 15 languages were explored, namely, French ( Hesling et al, 2005 ; Girard et al, 2008 ; Burki et al, 2011 ; Kennedy and Blanchet, 2014 ), Korean ( Mitterer et al, 2013 ; Kim et al, 2022 ), Greek ( Kambanaros, 2014 ), Mitterer and McQueen, 2009 ), Dutch ( Ernestus et al, 2017 ), Norwegian ( Kirmess and Lind, 2011 ), Telugu ( Hivaprasad and Sadanandam, 2020 ), Cantonese ( Yiu et al, 2002 ), Persian ( Daneshi et al, 2020 ), Finnish ( Alexandrou et al, 2017 ), Bengali ( Bose et al, 2022 ), Spanish ( Guzman et al, 2021 ; Gonzalez-Alvarez and Sos-Pena, 2022 ; Lofgren and Hinzen, 2022 ), Portuguese ( Brinca et al, 2014 ; Sampaio et al, 2019 ), Swedish ( Alves et al, 2020 ; Strombergsson et al, 2020 ), Mandarin ( Tsai et al, 2012 ), and Italian (e.g., Cerrato et al, 1998 ; Leoni and Cutugno, 1999 ). In addition to English, studies on Italian connected speech were more abundant than that of other languages.…”

Section: Resultsmentioning

confidence: 99%

A systematic review of studies on connected speech processing: Trends, key findings, and implications

Zare

Kania

et al. 2022

Front. Psychol.

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Connected speech processing (CSP) is of great significance to individuals’ language and cognitive development. It is particularly crucial not only for clinical detection and treatment of developmental disorders, but also for the Foreign/second language teaching instructions. However, given the importance of this field, there is a clear lack of systematic reviews that summarize the key findings of previous studies. To this end, through searching in the scientific databases PsycInfo, Scopus, PubMed, ERIC, Taylor and Francis, and Web of Science, the present study identified 128 core CSP articles with high reference values according to PRISMA guidance and the following results were obtained through quantitative analysis and qualitative comparative synthesis: (1) The number of studies on CSP published per year showed an upward trend; however, most focused on English language, whereas the studies on other languages were comparatively rare; (2) CSP was found to be affected by multiple factors, among which speech speed, semantics, word frequency, and phonological awareness were most frequently investigated; (3) the deficit in CSP capacity was widely recognized as a significant predictor and indicator of developmental disorders; (4) more studies were carried out on connected speech production than on perception; and (5) almost no longitudinal studies have ever been conducted among either native or non-native speakers. Therefore, future research is needed to explore the developmental trajectory of CSP skills of typically developing language learners and speakers with cognitive disorders over different periods of time. It is also necessary to deepen the understanding of the processing mechanism beyond their performance and the role played by phonological awareness and lexical representations in CSP.

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“…This reflects an interesting allocation of resources in the setting of high vocal demand. This also explains why CPP remained constant over the course of the task, as both F0 and SPL have been shown to influence cepstral measures [ 76 – 78 ]. The change in vowel duration, rather than F0 or SPL, may have implications for how individuals compensate when required to communicate for extended periods in suboptimal environment.…”

Section: Discussionmentioning

confidence: 99%

The effects of vocal exertion on lung volume measurements and acoustics in speakers reporting high and low vocal fatigue

2022

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Purpose Vocal exertion is common and often results in reduced respiratory and laryngeal efficiency. It is unknown, however, whether the respiratory kinematic and acoustic adjustments employed during vocal exertion differ between speakers reporting vocal fatigue and those who do not. This study compared respiratory kinematics and acoustic measures in individuals reporting low and high levels of vocal fatigue during a vocal exertion task. Methods Individuals reporting low (N = 20) and high (N = 10) vocal fatigue participated in a repeated measures design study over 2 days. On each day, participants completed a 10-minute vocal exertion task consisting of repeated, loud vowel productions at elevated F0 sustained for maximum phonation time. Respiratory kinematic and acoustic measures were analyzed on the 1st vowel production (T0), and the vowels produced 2 minutes (T2), 5 minutes (T5), 7 minutes (T7), and 10 minutes (T10) into the vocal exertion task. Vowel durations were also measured at each time point. Results No differences in respiratory kinematics were observed between low and high vocal fatigue groups at T0. As the vocal exertion task progressed (T2-T10), individuals reporting high vocal fatigue initiated phonation at lower lung volumes while individuals with low vocal fatigue initiated phonation at higher lung volumes. As the exertion task progressed, total lung volume excursion decreased in both groups. Differences in acoustic measures were observed, as individuals reporting high vocal fatigue produced softer, shorter vowels from T0 through T10. Conclusions Individuals reporting high vocal fatigue employed less efficient respiratory strategies during periods of increased vocal demand when compared with individuals reporting low vocal fatigue. Individuals reporting high vocal fatigue had shorter maximum phonation time on loud vowels. Further study should examine the potential screening value of loud maximum phonation time, as well as the clinical implications of the observed respiratory patterns for managing vocal fatigue.

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Fundamental Frequency and Intensity Effects on Cepstral Measures in Vowels from Connected Speech of Speakers with Voice Disorders

Cited by 20 publications

References 37 publications

CPPS and Voice-Source Parameters: Objective Analysis of the Singing Voice

CPPS and Voice-Source Parameters: Objective Analysis of the Singing Voice

A systematic review of studies on connected speech processing: Trends, key findings, and implications

The effects of vocal exertion on lung volume measurements and acoustics in speakers reporting high and low vocal fatigue

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