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Correlates of the belt voice: a broader examination.

机译:腰带声音的相关性:更广泛的检查。

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The purpose of the present study was to further clarify a definition of belting in physiological and acoustic terms. Twenty professional female singers produced triads ascending by halftone steps from C to C and sang the last four measures of a popular Broadway ballad in both legit and belt styles. Vocal source differences between belt and legit singing modes were assessed with respect to closed quotient (CQ) and speed quotient (SQ) computed from the electroglottographic waveform during productions of /ma/ triads covering approximately one octave. Differences in supraglottal configuration were evaluated in terms of the ratio (dB) of the amplitudes of the first and second harmonics of /I/ sustained at the pitch A(b), as noted in the long-term average spectrum. CQ did not vary significantly as a function of the singing type. SQ, however, decreased monotonically in association with increasing pitch level in both legit and belt singing styles. Belt mode phonations had higher SQ's than those of legit mode phonations at the same pitch. A repeated-measures analysis of variance demonstrated that the data differences associated with both pitch level and with singing mode were significant beyond P < 0.01. Analysis of the relative magnitude of the first and second harmonics showed that the direction of the harmonic ratio varied between styles. In legit singing style, H was always stronger than H, but this unidirectionality of amplitude was not characteristic of belt singing, for which the second harmonic had greater amplitude in 25% of the cases. Implications of these results are discussed with regard to a new definition of belting.
机译:本研究的目的是进一步阐明生理学和听觉学中腰带的定义。二十位专业女歌手制作了从C到C的半音阶升的三重奏,并演唱了合法和腰带风格的百老汇流行民谣的最后四小节。根据在覆盖大约一个八度的/ ma /三合音的产生过程中的电声波波形计算的闭合商(CQ)和速度商(SQ),评估了腰带和合法唱歌模式之间的声源差异。如在长期平均频谱中所指出的,根据音高A(b)处维持的/ I /的一次和二次谐波的振幅之比(dB),评估了声门上形态的差异。 CQ没有根据唱歌类型而显着变化。但是,在合法和腰带歌唱风格中,随着音高的提高,SQ单调下降。在相同音高下,皮带模式发声的SQ高于合法模式发声的SQ。重复测量方差分析表明,与音高和歌唱模式相关的数据差异均显着超过P <0.01。对一次谐波和二次谐波的相对幅度的分析表明,谐波比率的方向在样式之间有所不同。在合法的演唱风格中,H总是强于H,但这种单向幅度不是腰带演唱的特征,在25%的情况下,二次谐波的幅度更大。关于皮带的新定义,讨论了这些结果的含义。

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