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Seminar at Speech, Music and Hearing:

Can the singer’s self-perceptions be mapped into the phonetogram?

Anick Lamarche, Sten Ternström, Stellan Hertegård

(Pre-conference presentation)

Abstract

The voice problems of professional singers are not always picked up by mainstream voice assessment protocols, which typically are designed for speech. Such voice problems usually occur at certain combinations of intensity and pitch. Therefore, the level-vs-pitch map of the voice range profile (VRP, or phonetogram) should be well suited for isolating problematic phonations. Also, there may be subtle problems that, even if they are perceived by the singer, do not show up in the acoustic features that can be displayed in the VRP. By tapping into the singer’s own perceptions, it might be possible to augment the VRP with non-acoustic but singer-relevant information.

A commercial phonetograph was complemented with a hand-held response button, such that phonation with the button pressed resulted in marked regions in the VRP. Five professional singers without reported voice problems (2 mezzo-sopranos and 3 sopranos) performed structured tasks and pressed the button to express their sense of vocal difficulties or reduced vocal control as they sang. Singers based their judgments on both sound quality and sensations during singing. It was observed that (a) singers need to be trained in using the button; (b) reaction time is an issue; (c) there are several psychological issues, such as personal readiness to share information; (d) healthy singers used the button mainly at the VRP extremes, as might be expected. These and other observations made with self-perception mapped into the VRP will be discussed, as will possible methods for quantifying the self-reported information.

15:15 - 17:00
Friday May 11, 2007

The seminar is held in Seminarierummet, plan 5.

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Last updated: Wednesday, 23-Jun-2010 09:22:46 MEST