Changes in Objective Acoustic Measurements and Subjective Voice Complaints in Call Center Customer-Service Advisors During One Working Day

Journal of Voice

Volumn 22, Issue 2, 2008, Pages 164-177

  Lehto, Laura ^a,c   Laaksonen, Laura ^b   Vilkman, Erkki ^c   Alku, Paavo ^a  

^a Laboratory of Acoustics and Signal Processing   (Finland)

^b NOKIA RESEARCH CENTER   (United States)

^c HELSINKI UNIVERSITY CENTRAL HOSPITAL   (Finland)

Author keywords

Acoustic voice analysis; Field study; Inverse filtering; Occupational voice; Voice loading; Voice symptoms

Indexed keywords

ACOUSTICS; ADULT; ARTICLE; CORRELATION ANALYSIS; FEMALE; GLOTTIS; HUMAN; HUMAN EXPERIMENT; MALE; QUESTIONNAIRE; SPEECH; STATISTICAL SIGNIFICANCE; VOICE; WORK ENVIRONMENT;

ADULT; FATIGUE; FEMALE; HUMANS; MALE; OBSERVER VARIATION; OCCUPATIONAL DISEASES; SEVERITY OF ILLNESS INDEX; SOUND SPECTROGRAPHY; SPEECH ACOUSTICS; VOICE DISORDERS; VOICE QUALITY; WORKPLACE;

EID: 39449116053     PISSN: 08921997     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jvoice.2006.08.010     Document Type: Article

References (75)

1. Fritzell B. Voice disorders and occupations. Logop Phoniatr Vocol 21 (1996) 7-12
2. Titze I., Lemke J., and Montequin D. Populations in the U.S. workforce who rely on voice as a primary tool of trade: a preliminary report. J Voice 11 (1997) 254-259
3. Vilkman E. Occupational risk factors and voice disorders. Logop Phoniatr Vocol 21 (1996) 136-141
4. Vintturi J., Alku P., Sala E., Sihvo M., and Vilkman E. Loading-related subjective symptoms during a vocal loading test with special reference to gender and some ergonomic factors. Folia Phoniatr Logop 55 (2003) 55-69
5. Buekers R. Voice performances in relation to demands and capacity. Development of a quantitative phonometric study of the speaking voice [doctoral thesis]. Maastricht, the Netherlands: University of Maastricht; 1998.
6. Ma E.P.-M., and Yiu E.M.-L. Voice activity and participation profile: assessing the impact of voice disorders on daily activities. J Speech Lang Hear Res 44 (2001) 511-524
7. Rantala L., Lindholm P., and Vilkman E. F0 changes due to voice loading under laboratory and field conditions. A pilot study. Logop Phoniatr Vocol 23 (1998) 164-168
8. Rantala L., Paavola L., Körkkö P., and Vilkman E. Working-day effects on the spectral characteristics of teaching voice. Folia Phoniatr Logop 50 (1998) 205-211
9. Rantala L., Vilkman E., and Bloigu R. Voice changes during work: subjective complaints and objective measurements for female primary and secondary school teachers. J Voice 16 (2002) 344-355
10. Södersten M., Granqvist S., Hammarberg B., and Szabo A. Vocal behavior and vocal loading factors for preschool teachers at work studied with binaural DAT recordings. J Voice 16 (2002) 356-371
11. Jonsdottir V., Laukkanen A.-M., and Vilkman E. Changes in teachers' speech during a working day with and without electric sound amplification. Folia Phoniatr Logop 54 (2002) 282-287
12. Löfqvist A., and Mandersson B. Long-time average spectrum of speech and voice analysis. Folia Phoniatr Logop 39 (1987) 221-229
13. Novak A., Dlouha O., Capkova B., and Vohradnik M. Voice fatigue after theater performance in actors. Folia Phoniatr Logop 43 (1991) 74-78
14. Gotaas C., and Starr C. Vocal fatigue among teachers. Folia Phoniatr Logop 45 (1993) 120-129
15. Kostyk B., and Rochet A. Laryngeal airway resistance in teachers with vocal fatigue: a preliminary study. J Voice 12 (1998) 287-299
16. Gelfer M., Andrews M., and Schmidt C. Effects of prolonged loud reading on selected measures of vocal function in trained and untrained singers. J Voice 5 (1991) 158-167
17. Stemple J., Stanley J., and Lee L. Objective measures of voice production in normal subjects following prolonged voice use. J Voice 9 (1995) 127-133
18. Gelfer M., Andrews M., and Schmidt C. Documenting laryngeal change following prolonged loud reading. J Voice 10 (1996) 368-377
19. Lauri E.-R., Alku P., Vilkman E., Sala E., and Sihvo M. Effects of prolonged oral reading on time-based glottal flow waveform parameters with special reference to gender differences. Folia Phoniatr Logop 49 (1997) 234-246
20. Vilkman E., Lauri E.-R., Alku P., Sala E., and Sihvo M. Loading changes in time-based parameters of glottal flow waveforms in different ergonomic conditions. Folia Phoniatr Logop 49 (1997) 247-263
21. Buekers R. Are voice endurance tests able to assess vocal fatigue?. Clin Otolaryngol 23 (1998) 533-538
22. de Bodt M., Wuyts F., van de Heyning P., Lambrechts L., and Abeele D. Predicting vocal outcome by means of a vocal endurance test: a 5-year follow-up study in female teachers. Laryngoscope 108 (1998) 1363-1367
23. Vintturi J, Alku P, Vilkman E. Objective effects of vocal loading and rest on amplitude quotient (AQ) in females and males. In: Braunschweig T, Hanson J, Schelhorn-Neise P, Witte H, eds. Proceedings of the Fourth International Workshop: Advances in Quantitative Laryngoscopy, Voice and Speech Research, Jena, Germany; 2000:139-146.
24. Rantala L., Haataja K., Vilkman E., and Körkkö P. Practical arrangements and methods in the field examination and speaking style analysis of professional voice users. Scand J Logop Phoniatr 19 (1994) 43-54
25. Södersten M, Hammarberg B, Granqvist S, Ternström S. Recording teachers' voice simultaneously with background noise in pre-schools. Proceedings of the 24th IALP Congress; 2001:113-116.
26. Ternström S., Södersten M., and Bohman M. Cancellation of simulated environmental noise as a tool for measuring vocal performance during noise exposure. J Voice 16 (2002) 195-206
27. Airo E., Olkinuora P., and Sala E. A method to measure speaking time and speech sound pressure level. Folia Phoniatr Logop 52 (2000) 275-288
28. Popolo P., Rogge-Miller K., Švec J., and Titze I. Technical considerations in the design of a wearable voice dosimeter. J Acoust Soc Am 112 (2002) 2304
29. Szabo A., Hammarberg B., Granqvist S., and Södersten M. Methods to study pre-school teachers' voice at work: simultaneous recordings with voice accumulator and a DAT recorder. Logop Phoniatr Vocol 28 (2001) 29-39
30. Švec J., Titze I., and Popolo P. Estimation of sound pressure levels of voiced speech from skin vibration of the neck. J Acoust Soc Am 117 (2005) 1386-1394
31. Ohlsson A.-C., Brink O., and Löfqvist A. A voice accumulation-validation and application. J Speech Hear Res 32 (1989) 451-457
32. Watanabe H., Takemoto S., Oda M., Fukaura J., and Komiyama S. Measurement of total actual speaking time in a patient with spastic dysphonia. Folia Phoniatr Logop 39 (1987) 65-70
33. Masuda T., Ikeda Y., Manako H., and Komiyama S. Analysis of vocal abuse: fluctuations in phonation time and intensity in 4 groups of speakers. Acta Otolaryngol (Stockh) 113 (1993) 547-552
34. Buekers R., Bierens E., Kingma H., and Marres E. Vocal lead as measured by the voice accumulator. Folia Phoniatr Logop 47 (1995) 252-261
35. Rantala L., and Vilkman E. Relationship between subjective voice complaints and acoustic parameters in female teachers' voices. J Voice 13 (1999) 484-495
36. Bäckström T. Development of an analysis environment for clinical analysis of continuous speech [Master thesis]. Espoo, Finland: Helsinki University of Technology, Department of Engineering Physics and Mathematics; 2001.
37. Bäckström T., Lehto L., Alku P., and Vilkman E. Automatic pre-segmentation of running speech improves the robustness of several acoustic voice measures. Logop Phoniatr Vocol 28 (2003) 1-8
38. Alku P., Bäckström T., and Vilkman E. Normalized amplitude quotient for parameterization of the glottal flow. J Acoust Soc Am 112 (2002) 701-710
39. Sundberg J., Andersson M., and Hultqvist C. Effects of subglottal pressure variation on professional baritone singers' voice sources. J Acoust Soc Am 105 (1999) 1966-1971
40. Lehto L., Rantala L., Vilkman E., Alku P., and Bäckström T. Experiences of a short vocal training course for call-center customer-service advisors. Folia Phoniatr Logop 55 (2003) 163-176
41. Miller R. Nature of the vocal cord wave. J Acoust Soc Am 31 (1959) 667-677
42. Alku P. Glottal wave analysis with pitch synchronous iterative adaptive inverse filtering. Speech Commun 11 (1992) 109-118
43. El-Jaroudi A., and Makhoul J. Discrete all-pole modeling. IEEE Trans Signal Process 39 (1991) 411-423
44. Rothenberg M. A new inverse-filtering technique for deriving the glottal air flow waveform during voicing. J Acoust Soc Am 53 (1973) 1632-1645
45. Gauffin-Lindqvist J. Studies of the voice source by means of inverse filtering. Speech Transmission Laboratory, Quarterly Progress and Status Report 2 (1965), Royal Institute of Technology, Stockholm, Sweden 8-13
46. Jonsdottir V., Boyle B., Martin P., and Sigurdardottir G. A comparison of the occurrence and nature of vocal symptoms in two groups of Icelandic teachers. Logop Phoniatr Vocol 27 (2002) 98-105
47. Newman C., and Kersner M. Voice problems of aerobics instructors: implications for preventive training. Logop Phoniatr Vocol 23 (1998) 177-180
48. Smith E., Lemke J., Taylor M., Kirchner H.L., and Hoffman H. Frequency of voice problems among teachers and other occupations. J Voice 12 (1998) 480-488
49. Sala E., Laine A., Simberg S., Pentti J., and Suonpää J. The prevalence of voice disorders among day care center teachers compared with nurses: a questionnaire and clinical study. J Voice 15 (2001) 413-423
50. Dejonckere P., and Lebacq J. Acoustic, perceptual, aerodynamic and anatomical correlations in voice pathology. ORL J Otorhinolaryngol Relat Spec 58 (1996) 326-332
51. Gould D., Kelly D., Goldstone L., and Gammon J. Examining the validity of pressure ulcer risk assessment scales: developing and using illustrated patient simulations to collect the data. J Clin Nurs 10 (2001) 697-706
52. Sapir S., Atias J., and Sharhar A. Symptoms of vocal attrition in women army instructors and recruits: results from a survey. Laryngoscope 100 (1990) 991-994
53. Sapir S., Keidar A., and Mathers-Schmidt B. Vocal attrition in teachers: survey findings. Eur J Disord Commun 28 (1993) 177-185
54. Scott S., Robinson K., Wilson J., and Mackenzie K. Patient-reported problems associated with dysphonia. Clin Otolaryngol 22 (1997) 37-40
55. Koufman J., and Blalock P. Vocal fatigue and dysphonia in the professional voice users: Bogart-Bacall syndrome. Laryngoscope 93 suppl. 5 (1998) 493-498
56. Coyle S., Weinrich B., and Stemple J. Shifts in relative prevalence of laryngeal pathology in a treatment-seeking population. J Voice 15 (2001) 424-440
57. Smith E., Kirchner H.L., Taylor M., Hoffman H., and Lemke J. Voice problems among teachers: differences by gender and teaching characteristics. J Voice 12 (1998) 328-334
58. Vilkman E., Lauri E.-R., Alku P., Sala E., and Sihvo M. Effects of prolonged oral reading on F0, SPL, subglottal pressure and amplitude characteristics of glottal flow waveforms. J Voice 13 (1999) 303-315
59. Garret K., and Healey C. An acoustic analysis of fluctuations in the voices of normal adult speakers across three times a day. J Acoust Soc Am 82 (1987) 58-62
60. Artkoski M., Tommila J., and Laukkanen A.-M. Changes in voice during a day in normal voices without vocal loading. Logop Phoniatr Vocol 27 (2002) 118-123
61. Bourgh I.D., Heier R., Sataloff R.T., Hills J., and Cater J. Intrasubject variability of objective measures. J Voice 10 (1996) 166-174
62. Toivanen J. Perspectives on Intonation: English, Finnish and English Spoken by Finns. [in German] (2001), Peter Lang GmbH, Europäischer Verlag der Wissenschaften, Frankfurt am Main, Germany
63. Mattiske J., Oates J., and Greenwood K. Vocal problems among teachers: a review of prevalence, causes, prevention and treatment. J Voice 12 (1998) 489-499
64. Holmberg E., Hillman R., and Perkell J. Glottal airflow and transglottal air pressure measurements for male and female speakers in soft, normal, and loud voice. J Acoust Soc Am 84 (1988) 511-529
65. Dromey C., Stathopoulos E., and Sapienza C. Glottal airflow and EGG measures of vocal function at multiple intensities. J Voice 6 (1992) 44-54
66. Hillman R., Holmberg E., Perkell J., Walsh M., and Vaughan C. Objective assessment of vocal hyperfunction: an experimental framework and initial results. J Speech Hear Res 32 (1989) 373-392
67. Sulter A., and Wit H. Glottal volume velocity waveform characteristics in subjects with and without vocal training, related to gender, sound intensity, fundamental frequency, and age. J Acoust Soc Am 100 (1996) 3360-3373
68. Hertegård S., Lindestad P.-A., and Gauffin J. A comparison between manual and automatic flow inverse filtering for patients with spindle-shape glottis during phonation. Scand J Logop Phoniatr 19 (1994) 117-134
69. Orr R, Cranen B, de Jong F. An investigation of the parameters derived from the inverse filtering of flow and microphone signals. Proceedings of the ISCA Workshop on Voice Quality: Functions, Analysis and Synthesis (VOQUAL03), Geneva, Switzerland; 2003:35-40.
70. Vintturi J., Alku P., Lauri E.-R., Sala E., Sihvo M., and Vilkman E. Objective analysis of vocal warm-up with special reference to ergonomic factors. J Voice 15 (2001) 36-53
71. Herrington-Hall B., Lee L., Stemple J., Niemi K., and Miller-McHone M. Description of laryngeal pathologies by age, sex, and occupation in a treatment-seeking sample. J Speech Hear Disord 53 (1988) 57-64
72. Martin S., and Darnley L. The Teaching Voice (1999), Whurr Publishers Ltd, London
73. Duffy V., and Hazlett D. The impact of preventive voice care programs for training teachers: a longitudinal study. J Voice 18 (2004) 63-70
74. Laukkanen A.-M., Järvinen K., Artkoski M., et al. Changes in voice and subjective sensations during a 45-min vocal loading test in female subjects with vocal training. Folia Phoniatr Logop 56 (2004) 335-346
75. Lehto L, Airas M, Björkner E, Sundberg J, Alku P. Comparison of two inverse filtering methods in parameterization of the glottal closing phase characteristics in different phonation types. J Voice. In press.