<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The paper addresses reflection of microintonation and spectral properties in male and female acted emotional speech. Microintonation component of speech melody is analyzed regarding its spectral and statistical parameters. According to psychological research of emotional speech, different emotions are accompanied by different spectral noise. We control its amount by spectral flatness according to which the high frequency noise is mixed in voiced frames during cepstral speech synthesis. Our experiments are aimed at statistical analysis of cepstral coefficient values and ranges of spectral flatness in three emotions (joy, sadness, anger), and a neutral state for comparison. Calculated histograms of spectral flatness distribution are visually compared and modelled by Gamma probability distribution. Histograms of cepstral coefficient distribution are evaluated and compared using skewness and kurtosis. Achieved statistical results show good correlation comparing male and female voices for all emotional states portrayed by several Czech and Slovak professional actors.</p></abstract>

The paper addresses reflection of microintonation and spectral properties in male and female acted emotional speech. Microintonation component of speech melody is analyzed regarding its spectral and statistical parameters. According to psychological research of emotional speech, different emotions are accompanied by different spectral noise. We control its amount by spectral flatness according to which the high frequency noise is mixed in voiced frames during cepstral speech synthesis. Our experiments are aimed at statistical analysis of cepstral coefficient values and ranges of spectral flatness in three emotions (joy, sadness, anger), and a neutral state for comparison. Calculated histograms of spectral flatness distribution are visually compared and modelled by Gamma probability distribution. Histograms of cepstral coefficient distribution are evaluated and compared using skewness and kurtosis. Achieved statistical results show good correlation comparing male and female voices for all emotional states portrayed by several Czech and Slovak professional actors.

Statistical Analysis of Spectral Properties and Prosodic Parameters of Emotional Speech

Institute of Photonics and Electronics, Academy of Sciences CR, v.v.i., Chaberská 57, CZ-182 51 Prague 8, Czech Republic

Institute of Measurement Science, SAS, Dübravská cesta 9, SK-841 04 Bratislava, Slovakia

Faculty of Electrical Engineering & Information Technology, Department of Radio Electronics, Slovak University of Technology, Ilkovičova 3, SK-812 19 Bratislava, Slovakia

Measurement Science Review

The paper addresses reflection of microintonation and spectral properties in male and female acted emotional speech. Microintonation component of speech melody...

Statistical Analysis of Spectral Properties and Prosodic Parameters of Emotional Speech

Publicado en línea: 03 sept 2009

Páginas: 95 - 104

DOI: https://doi.org/10.2478/v10048-009-0016-4

Palabras clave
cepstral speech analysis, emotional speech, spectral flatness, microintonation

This content is open access.

Statistical Analysis of Spectral Properties and Prosodic Parameters of Emotional Speech

Publicado en línea: 03 sept 2009

Páginas: 95 - 104

DOI: https://doi.org/10.2478/v10048-009-0016-4

Palabras clavecepstral speech analysis, emotional speech, spectral flatness, microintonation

This content is open access.

Palabras clave
cepstral speech analysis, emotional speech, spectral flatness, microintonation