Experienced Listeners’ Perception of Timbre Dissimilarity Within and Between Voice Categories

Within the realm of voice classification, singers could be sub-categorized by the weight of their repertoire, the so-called “singer's Fach.” However, the opposite pole terms “lyric” and “dramatic” singing are not yet well defined by their acoustic and articulatory characteristics. Nine professional singers of different singers' Fach were asked to sing a diatonic scale on the vowel /a/, first in what the singers considered as lyric and second in what they considered as dramatic. Image recording was performed using real time magnetic resonance imaging (MRI) with 25 frames/s, and the audio signal was recorded via an optical microphone system. Analysis was performed with regard to sound pressure level (SPL), vibrato amplitude, and frequency and resonance frequencies as well as articulatory settings of the vocal tract. The analysis revealed three primary differences between dramatic and lyric singing: Dramatic singing was associated with greater SPL and greater vibrato amplitude and frequency as well as lower resonance frequencies. The higher SPL is an indication of voice source changes, and the lower resonance frequencies are probably caused by the lower larynx position. However, all these strategies showed a considerable individual variability. The singers' Fach might contribute to perceptual differences even for the same singer with regard to the respective repertoire.

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Experienced Listeners’ Perception of Timbre Dissimilarity Within and Between Voice Categories

Cited by 3 publications

References 39 publications

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