Objectives A simplified perceptual protocol for the assessment of voice quality (VQ) is
attempted based on the Vocal Profile Analysis (VPA) scheme, with the aim of alleviating
typical issues associated with the multidimensionality of VQ and enabling an easy
quantification of speaker similarity. Study Design Twenty-four non-pathological male
speakers (12 monozygotic twin pairs) of Standard Peninsular Spanish were perceptually
evaluated by two trained phoneticians using the simplified VPA (SVPA). Based on their …