Changes in prosodic features of speech due to environmental factors. - Erkki Vilkman; Olavi Manninen (Speech Commun., 1986)

A comparison of egg and a new automatic inverse filtering method in phonation change from breathy to normal. - Paavo Alku; Erkki Vilkman; Unto K. Laine (ICSLP, 1990)

Supraglottal acoustics and vowel intrinsic fundamental frequency; An experimental study. - Erkki Vilkman; Unto K. Laine; J. Koljonen (Speech Commun., 1991)

Estimation of the glottal pulseform based on discrete all-pole modeling. - Paavo Alku; Erkki Vilkman (ICSLP, 1994)

A frequency domain method for parametrization of the voice source. - Paavo Alku; Erkki Vilkman (ICSLP, 1996)

Amplitude domain quotient for characterization of the glottal volume velocity waveform estimated by inverse filtering. - Paavo Alku; Erkki Vilkman (Speech Commun., 1996)

Ultrasonographic measurement of cricothyroid space in speech. - Erkki Vilkman; Raija Takalo; Taisto Maatta; Anne-Maria Laukkanen; Jaana Nummenranta; Tero Lipponen (EUROSPEECH, 1997)

Parabolic spectral parameter - A new method for quantification of the glottal flow. - Paavo Alku; Helmer Strik; Erkki Vilkman (Speech Commun., 1997)

Analyzing the effect of secondary excitations of the vocal tract on vocal intensity in different loudness conditions. - Paavo Alku; Juha Vintturi; Erkki Vilkman (ICSLP, 1998)

Estimation of amplitude features of the glottal flow by inverse filtering speech pressure signals. - Paavo Alku; Erkki Vilkman; Anne-Maria Laukkanen (Speech Commun., 1998)

On the linearity of the relationship between the sound pressure level and the negative peak amplitude of the differentiated glottal flow in vowel production. - Paavo Alku; Juha Vintturi; Erkki Vilkman (Speech Commun., 1999)

Analysis of voice production in breathy, normal and pressed phonation by comparing inverse filtering and videokymography. - Paavo Alku; Jan G. Svec; Erkki Vilkman; Frantisek Sram (INTERSPEECH, 2000)

The use of fundamental frequency raising as a strategy for increasing vocal intensity in soft, normal, and loud phonation. - Paavo Alku; Juha Vintturi; Erkki Vilkman (INTERSPEECH, 2001)

Measurement of the vocal-fold vibration behaviour in excised human larynges. - Jaromír Horácek; Jan G. Svec; Ján Veselý; Erkki Vilkman; Ivo Klepácek; Ales Vetesník (MAVEBA, 2001)

Measuring the effect of fundamental frequency raising as a strategy for increasing vocal intensity in soft, normal and loud phonation. - Paavo Alku; Juha Vintturi; Erkki Vilkman (Speech Commun., 2002)

Time-domain parameterization of the closing phase of glottal airflow waveform from voices over a large intensity range. - Tom Bäckström; Paavo Alku; Erkki Vilkman (IEEE Trans. Speech Audio Process., 2002)

Analysis of the voice source in different phonation types: simultaneous high-sped imaging of the vocal fold vibration and glottal inverse filtering. - Hannu Pulakka; Paavo Alku; Svante Granqvist; Stellan Hertegard; Hans Larsson; Anne-Maria Laukkanen; Per-Ake Lindestad; Erkki Vilkman (INTERSPEECH, 2004)

OPENGLOT - An open environment for the evaluation of glottal inverse filtering. - Paavo Alku; Tiina Murtola; Jarmo Malinen; Juha Kuortti; Brad H. Story; Manu Airaksinen; Mika Salmi; Erkki Vilkman; Ahmed Geneid (Speech Commun., 2019)