Statistical Analysis of Spectral Properties and Prosodic Parameters of Emotional Speech

0341289 - ÚFE 2010 RIV SK eng J - Journal Article
Přibil, Jiří - Přibilová, Anna
Statistical Analysis of Spectral Properties and Prosodic Parameters of Emotional Speech.
Measurement Science Review. Roč. 9, č. 4 (2009), s. 95-104. ISSN 1335-8871. E-ISSN 1335-8871
R&D Projects: GA MŠMT OC08010; GA ČR GA102/09/0989
Institutional research plan: CEZ:AV0Z20670512
Keywords : signal processing * speech synthesis
Subject RIV: JA - Electronics ; Optoelectronics, Electrical Engineering

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.
Permanent Link: http://hdl.handle.net/11104/0184316