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  • Title: Acoustic analysis of the singing and speaking voice in singing students.
    Author: Lundy DS, Roy S, Casiano RR, Xue JW, Evans J.
    Journal: J Voice; 2000 Dec; 14(4):490-3. PubMed ID: 11130107.
    Abstract:
    The singing power ratio (SPR) is an objective means of quantifying the singer's formant. SPR has been shown to differentiate trained singers from nonsingers and sung from spoken tones. This study was designed to evaluate SPR and acoustic parameters in singing students to determine if the singer-in-training has an identifiable difference between sung and spoken voices. Digital audio recordings were made of both sung and spoken vowel sounds in 55 singing students for acoustic analysis. SPR values were not significantly different between the sung and spoken samples. Shimmer and noise-to-harmonic ratio were significantly higher in spoken samples. SPR analysis may provide an objective tool for monitoring the student's progress.
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