References
- Boone, D. R. & McFarlane, S. C. (2002). The Voice and Voice therapy. 7thed. Englewood Cliffs, NJ: Prentice Hall.
- Sapienza, C. & Ruddy B. H (2009). Voice disorders. Plural Publishing.
- Brown, W. S. Jr., Murry, T. & Hughes, D. (1976). Comfortable effort level: an experimental variable, Journal of Acoustical Society America, Vol. 60(3), 696-9. https://doi.org/10.1121/1.381141
- Brown, W. S. Jr., Morris, R. J. & Murry, T. (1996). Comfortable effort level revisited, Journal of Voice, Vol. 10(3), 299-305. https://doi.org/10.1016/S0892-1997(96)80011-7
- Brown, W. S. Jr. & Shrivastav, R. (2007). Comfortable effort level in young children's speech, Folia Phoniatrica et Logopaedica, Vol. 59(5), 227-33. https://doi.org/10.1159/000104460
- Zraick, R. I., Marshall, W., Smith-Olinde, L. & Montague, J. C. (2004). The effect of task on determination of habitual loudness, Journal of Voice, Vol. 18(2), 176-82. https://doi.org/10.1016/j.jvoice.2003.09.005
- Zraick, R. I., Gentry, M. A., Smith-Olinde, L. & Gregg, B. A. (2006). The effect of speaking context on elicitation of habitual pitch, Journal of Voice, Vol. 20(4), 545-54. https://doi.org/10.1016/j.jvoice.2005.08.008
- Britto, A. I. & Doyle, P. C. (1990). A comparison of habitual and derived optimal voice fundamental frequency values in normal young adult speakers, Journal of Speech Hearing Disorder, Vol. 55(3), 476-84. https://doi.org/10.1044/jshd.5503.476
- Pronovost, W. (1942). An experimental study of methods for determining natural and habitual pitch, Speech monographs, Vol. 9, 111-123. https://doi.org/10.1080/03637754209390066
- Murry, T., Brown, W. S. Jr. & Morris, R. J. (1995). Patterns of fundamental frequency for three types of voice samples, Journal of Voice, Vol. 9(3), 282-9. https://doi.org/10.1016/S0892-1997(05)80235-8
- Coleman, R. F. & Markham, I. W. (1991). Normal variations in habitual pitch, Journal of Voice, Vol. 5(2), 173-177. https://doi.org/10.1016/S0892-1997(05)80181-X
- Lee, L., Stemple, J. C. & Kizer, M. (1999). Consistency of acoustic and aerodynamic measures of voice production over 28 days under various testing conditions, Journal of Voice, Vol. 13(4), 477-483. https://doi.org/10.1016/S0892-1997(99)80003-4
- Carding, P., Drinnan, M., Brockmann, M. & Storck, C. (2008). Voice Loudness and Gender Effects on Jitter and Shimmer in Healthy Adults, Journal of Speech Language Hearing Research, Vol. 51, 1152-1160 https://doi.org/10.1044/1092-4388(2008/06-0208)
- Pabon, J. P. H. (1991). Objective acoustic voice-quality parameters in the computer phonetogram, Journal of Voice, 203-216.
- Parbon, J. H. P. & Plomp, R. (1988). Automatic phonetogram recording supplemented with acoustical voice quality parameters, Journal of Speech Hearing Research, Vol. 31, 710-722. https://doi.org/10.1044/jshr.3104.710
- Gelfer, M. P. (1995). Fundamental frequency, intensity, and vowel selection: effects on measures of phonatory stability, Journal of Speech Hearing Research, Vol. 38(6), 1189-98. https://doi.org/10.1044/jshr.3806.1189
- Vogel, A. P., Maruff, P., Snyder, P. J. & Mundt, J. C. (2009). Standardization of pitch range settings in voice acoustic analysis, Behavioral Research Methods, Vol. 41(2), 318-324. https://doi.org/10.3758/BRM.41.2.318
- Titze (1994). The G. Paul Moore Lecture. Toward standards in acoustic analysis of voice, Journal of Voice, Vol. 8(1), 1-7. https://doi.org/10.1016/S0892-1997(05)80313-3
- Rovirosa, A., Ascaso, C., Abellana, R., Martinez-Celdran E., Ortega, A., Velasco, M., Bonet, M., Herrero, T., Arenas, M., & Biete, A. (2008). Acoustic voice analysis in different phonetic contexts after larynx radiotherapy for T1 vocal cord carcinoma, ClinicalTranslational Oncology, Vol. 10(3), 163-74.
- Guimaraes, I. & Abberton, E. (2005). Fundamental frequency in speakers of Portuguese for different voice samples, Journal of Voice, Vol. 19(4), 592-606. https://doi.org/10.1016/j.jvoice.2004.11.004
- Ramig, L.A., Scherer, R. C., TitzeI. R., & Ringel, S. P. (1988). Acoustic analysis of voices of patients with neurologic disease: rational and preliminary data, The Annals of Otology, Rhinology, and Laryngoogy, Vol. 97(2 pt 1), pp. 164-72. https://doi.org/10.1177/000348948809700214
- Zwirner, P., Murry, T. & Woodson, G. E. (1991). Phonatory function of neurologically impaired patients, Journal of Communication Disorders, Vol. 24(4), 287-300. https://doi.org/10.1016/0021-9924(91)90004-3
- Childers, D. G., Hicks, D. M., Moore, G. P., Eskenazi, L. & Lalwani, A. L. (1990). Electroglottography and vocal fold physiology, Journal of Speech Hearing Research, Vol. 33(2), 245-254. https://doi.org/10.1044/jshr.3302.245
- Peterson, K. L., Verdolini, K., Barkmeier, J. M. & Hoffman, H. T. (1994). Comparison of aerodynamic and electroglottographic parameters in evaluating clinically relevant voicing patterns, Annal Otolaryngol Rhinology Laryngology, Vol. 103, 335-346. https://doi.org/10.1177/000348949410300501
- Verdolini, K., Chan, R., Titze, I. R., Hess, M. & Bierhals, W. (1998). Correspondence of electroglottographic closed quotient to vocal fold impact stress in excised canine larynges, Journal of Voice, Vol.12(4), 415-423. https://doi.org/10.1016/S0892-1997(98)80050-7
- Hanson, D. G., Gerratt, B. R. & Berke, G. S. (1990). Frequency, intensity, and target matching effects on photoglottographic measures of open quotient and speed quotient, Journal of Speech Hearing Research, Vol. 33(1), 45-50. https://doi.org/10.1044/jshr.3301.45
- Milenkovic, P. (2001). TF 32 User's Manual, Madison, WI.
- Awan, S. N (1993). Super imposition of speaking voice characteristics and phonetograms in untrained and trained vocal groups," Journal of Voice, Vol.7(1), 30-7. https://doi.org/10.1016/S0892-1997(05)80109-2
- Wolfe, V. I., Ratusnik, D. L., Smith, F. H. & Northrop, G. E. (1990). Intonation and fundamental frequency in male-tofemale transsexuals, Journal of Speech and Hearing Disorders, Vol. 55, 43-50. https://doi.org/10.1044/jshd.5501.43
- Gelfer, M. P. & Schofield, K. J. (2000). Comparison of acoustic and perceptual measures of voice in male-to-female transsexuals perceived as female versus those perceived as male, Journal of Voice, Vol. 14(1), 22-33. https://doi.org/10.1016/S0892-1997(00)80092-2
- Brockmann, M., Storck, C., Carding, P. N. & Drinnan, M. J. (2008). Voice loudness and gender effects on jitter and shimmer in healthy adults, Journal of Speech Language Hearing Research, Vol. 51(5), 1152-60. https://doi.org/10.1044/1092-4388(2008/06-0208)
- Aithal, V. U., Bellur, R., John, S., Varghese, C. & Guddattu, V. (2012). Acoustic analysis of voice in normal and high pitch phonation: a comparative study, Folia Phoniatrica et Logopaedica, Vol. 64(1), 48-53. https://doi.org/10.1159/000333255