By a News Reporter-Staff News Editor at Health & Medicine Week -- Current study results on Rehabilitation of Speech and Language Disorders have been published. According to news originating from Stockholm, Sweden , by NewsRx correspondents, research stated, "A longitudinal study was performed on the acoustical effects of singing voice training under a given study program, using the voice range profile (VRP). Pretraining and posttraining recordings were made of students who participated in a 3-year bachelor singing study program." Our news journalists obtained a quote from the research from the KTH Royal Institute of Technology , "A questionnaire that included questions on optimal range, register use, classification, vocal health and hygiene, mixing technique, and training goals was used to rate and categorize self-assessed voice changes. Based on the responses, a subgroup of 10 classically trained female voices was selected, which was homogeneous enough for effects of training to be identified. The VRP perimeter contour was analyzed for effects of voice training Also, a mapping within the VRP of voice quality, as expressed by the crest factor, was used to indicate the register boundaries and to monitor the acoustical consequences of the newly learned vocal technique of 'mixed voice.' VRPs were averaged across subjects. Findings were compared with the self-assessed vocal changes. Pre/post comparison of the average VRPs showed, in the midrange, (1) a decrease in the VRP area that was associated with the loud chest voice, (2) a reduction of the crest factor values, and (3) a reduction of maximum sound pressure level values. The students' self-evaluations of the voice changes appeared in some cases to contradict the VRP findings. VRPs of individual voices were seen to change over the course of a singing education. These changes were manifest also in the average group. High-resolution computerized recording, complemented with an acoustic register marker, allows a meaningful assessment of some effects of training, on an individual basis and for groups that comprise singers of a specific genre." According to the news editors, the research concluded: "It is argued that this kind of investigation is possible only within a focused training program, given by a faculty who has agreed on the goals." For more information on this research see: Effects on Vocal Range and Voice Quality of Singing Voice Training: The Classically Trained Female Voice. Journal of Voice , 2014;28(1):36-51. Journal of Voice can be contacted at: Mosby-Elsevier, 360 Park Avenue South , New York, NY 10010-1710, USA . ( Elsevier - www.elsevier.com ; Journal of Voice - www.elsevier.com/wps/product/cws_home/672710 ) The news correspondents report that additional information may be obtained from P. Pabon , KTH Royal Inst Technol, Sch Comp Sci & Commun, Dept. of Speech Mus & Hearing , Stockholm, Sweden . Additional authors for this research include R. Stallinga , M. Sodersten and S. Ternstrom (see also Rehabilitation of Speech and Language Disorders ). Keywords for this news article include: Sweden , Europe , Stockholm , Voice Training, Rehabilitation of Speech and Language Disorders Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC
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