c Chapter Räsänen, O.J. | Laine, U.K. Indirect Estimation of Formant Frequencies Through Mean Spectral Variance with Application to Automatic Gender Recognition PDF 2009 - Firenze University Press Is part of Models and analysis of vocal emissions for biomedical applications : 6th International workshop : December 14-16, 2009, Firenze, Italy. - ( Proceedings e report ; 54)