![]() Thus, the present study aimed to investigate the reference values for CPP and sCPP in young adults with normal voice in the age range of 20–40 years. ![]() Cepstral analysis has been reported to be a reliable and valid measure for voice evaluation even for signals with high level of aperiodicity, which the time based measures fails to evaluate. CPP is determined by measuring the amplitude difference from the highest peak of the cepstrum to the corresponding regression line, drawn directly below the cepstral peaks and when a smoothening factor is applied, sCPP is obtained. ![]() The two commonly studied cepstral measures are Cepstral Peak Prominence (CPP) and smoothened Cepstral peak prominence (sCPP). The fundamental frequency and harmonic organization of voice can be quantified using cepstral measure. ![]()
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