I                Articles in international journals:

 

  • Paavo Alku: Glottal wave analysis with Pitch Synchronous Iterative Adaptive Inverse Filtering, Speech Communication, Vol. 11, No. 2-3, pp. 109-118, 1992.
  • Paavo Alku, Erkki Vilkman: Preliminary experiences in using automatic inverse filtering of acoustical signals for the voice source analysis, Scandinavian Journal of Logopedics and Phoniatrics, Vol. 17, pp. 128-135, 1992.
  • Paavo Alku, Erkki Vilkman, Eeva Pekkarinen: PAAPPA - a flexible computer environment for the analysis of the voice source, Scandinavian Journal of Logopedics and Phoniatrics, Vol. 18, No. 2-3, pp. 51-56, 1993.
  • Erkki Vilkman, Paavo Alku, Anne-Maria Laukkanen: Vocal-fold collision mass as a differentiator between registers in the low-pitch range, Journal of Voice, Vol. 9, No. 1, pp. 66-73, 1995.
  • Paavo Alku, Erkki Vilkman: Effects of bandwidth on glottal airflow waveforms estimated by inverse filtering, J. Acoust. Soc. Am., Vol. 98, No. 2, pp. 763-767, 1995.
  • Anne-Maria Laukkanen, Päivi Lindholm, Erkki Vilkman, Esa Haataja, Paavo Alku: A Physiological and acoustical study on voiced bilabial fricative /b::/ as a vocal exercise, Journal of Voice, Vol. 10, No. 1, pp. 67-77, 1996.
  • Paavo Alku, Erkki Vilkman: Amplitude domain quotient for characterization of the glottal volume velocity waveform estimated by inverse filtering, Speech Communication, Vol. 18, No. 2, pp. 131-138 , 1996.
  • Paavo Alku, Erkki Vilkman: A comparison of glottal voice source quantification parameters in breathy, normal, and pressed phonation of female and male speakers, Folia Phoniatrica et Logopaedica, Vol. 48, No. 5, pp. 240-254, 1996.
  • Anne-Maria Laukkanen, Erkki Vilkman, Paavo Alku, Hanna Oksanen: Physical variations related to stress and emotional state: a preliminary study, Journal of Phonetics, Vol. 24, No. 3, pp. 313-335, 1996.
  • Risto Näätänen, Anne Lehtokoski, Mietta Lennes, Marie Cheour, Minna Huotilainen, Antti Iivonen, Martti Vainio, Paavo Alku, Risto J. Ilmoniemi, Aavo Luuk, Jüri Allik, Janne Sinkkonen, Kimmo Alho: Language-specific phoneme representations revealed by electric and magnetic brain responses, Nature, Vol. 385, pp. 432-434, Jan. 30, 1997.
  • Eija-Riitta Lauri, Paavo Alku, Erkki Vilkman, Eeva Sala, Marketta Sihvo: Effects of prolonged oral reading on time-based glottal flow waveform parameters with special reference to gender differences, Folia Phoniatrica et Logopaedica, Vol. 49, pp. 234-246, 1997.
  • Erkki Vilkman, Eija-Riitta Lauri, Paavo Alku, Eeva Sala, Marketta Sihvo: Loading changes in time-based parameters of glottal flow waveforms in different ergonomic conditions, Folia Phoniatrica et Logopaedica, Vol. 49, pp. 247-263, 1997.
  • Paavo Alku, Helmer Strik, Erkki Vilkman: Parabolic Spectral Parameter - A new method for quantification of the glottal flow, Speech Communication, Vol. 22, pp. 67-79, 1997.
  • Anne-Maria Laukkanen, Erkki Vilkman, Paavo Alku, Hanna Oksanen: On the perception of emotions in speech: The role of voice quality, Logopedics, Phoniatrics and Vocology, Vol. 22, pp. 157-168, 1997.
  • Erkki Vilkman, Eija-Riitta Lauri, Paavo Alku, Eeva Sala, Marketta Sihvo: Ergonomic conditions and voice, Logopedics, Phoniatrics and Vocology, Vol. 23, pp. 11-20, 1998.
  • Susanna Varho, Paavo Alku: Separated Linear Prediction - A new all-pole modeling technique for speech analysis, Speech Communication, Vol. 24, No. 2, pp. 111-121, 1998.
  • Paavo Alku, Erkki Vilkman, Anne-Maria Laukkanen: Estimation of amplitude features of the glottal flow by inverse filtering speech pressure signals, Speech Communication, Vol. 24, No. 2, pp. 123-132, 1998.
  • Paavo Alku, Erkki Vilkman, Anne-Maria Laukkanen: Parameterization of the voice source by combining spectral decay and amplitude features of the glottal flow, Journal of Speech, Language, and Hearing Research, Vol. 41, pp. 990-1002, 1998.
  • Yury Shtyrov, Teija Kujala, Jyrki Ahveninen, Mari Tervaniemi, Paavo Alku, Risto Ilmoniemi, Risto Näätänen: Background acoustic noise and the hemispheric lateralization of speech processing in the human brain: magnetic mismatch negativity study, Neuroscience Letters, Vol. 251, No. 2, pp. 141-144, 1998.
  • Erkki Vilkman, Eija-Riitta Lauri, Paavo Alku, Eeva Sala, Marketta Sihvo: Effects of prolonged oral reading on F0, SPL, subglottal pressure and amplitude characteristics of glottal flow waveforms, Journal of Voice, Vol. 13, No. 2, pp. 303-315, 1999.
  • Marketta Sihvo, Paavo Alku, Eija-Riitta Lauri, Eeva Sala, Erkki Vilkman:Effects of ergonomic and environmental factors on phonation at a low pitch, Logopedics, Phoniatrics and Vocology, Vol. 24, pp. 84-91, 1999.
  • Istvan Winkler, Anne Lehtokoski, Paavo Alku, Martti Vainio, Istvan Czigler, Valeria Csepe, Olli Aaltonen, Ilkka Raimo, Kimmo Alho, Heikki Lang, Antti Iivonen, Risto Näätänen: Pre-attentive detection of vowel contrasts utilizes both phonetic and auditory memory representations, Cognitive Brain Research, Vol. 7, pp. 357-369, 1999.
  • Istvan Winkler, Teija Kujala, Hannu Tiitinen, Päivi Sivonen, Paavo Alku, Anne Lehtokoski, Istvan Czigler, Valeria Csepe, Risto Ilmoniemi, Risto Näätänen: Brain responses reveal the learning of foreign language phonemes. Psychophysiology, Vol. 36, pp. 638-642, 1999.
  • Teemu Rinne, Kimmo Alho, Paavo Alku, Markus Holi, Janne Sinkkonen, Juha Virtanen, Olivier Bertrand, Risto Näätänen: Analysis of speech sounds is left-hemisphere predominant at 100-150 ms after sound onset. NeuroReport, Vol. 10(5), pp. 1113-1117, 1999.
  • Paavo Alku, Hannu Tiitinen, Risto Näätänen: A method for generating natural-sounding speech stimuli for cognitive brain research. Clinical Neurophysiology, Vol. 110, pp. 1329-1333, 1999.
  • Paavo Alku, Juha Vintturi, Erkki Vilkman: On the linearity of the relationship between the sound pressure level and the negative peak amplitude of the differentiated glottal flow in vowel production. Speech Communication, Vol. 28, pp. 269-281, 1999.
  • Hannu Tiitinen, Päivi Sivonen, Paavo Alku, Juha Virtanen, Risto Näätänen: Electromagnetic recordings reveal latency differences in speech and tone processing in humans. Cognitive Brain Research, Vol. 8, pp. 355-363, 1999.
  • Maria Jaramillo, Paavo Alku, Petri Paavilainen: An event-related potential (ERP) study of duration changes in speech and non-speech sounds. NeuroReport, Vol. 10, pp. 3301-3305, 1999.
  • Marja-Liisa Kaipio, Marie Cheour, Rita Ceponiene, Juha Öhman, Paavo Alku, Risto Näätänen: Increased distractibility in closed head injury as revealed by event-related potentials. NeuroReport, Vol. 11, No. 7, pp. 1463-1468, 2000.
  • Kalle Palomäki, Paavo Alku, Ville Mäkinen, Patrick May, Hannu Tiitinen: Sound localization in the human brain: Neuromagnetic observations. NeuroReport, Vol. 11, No. 7, pp. 1535-1538, 2000.
  • Paavo Alku, Juha Vintturi, Erkki Vilkman: Evidence of the significance of secondary excitations of the vocal tract on vocal intensity. Folia Phoniatrica et Logopaedica, Vol. 53, No. 4, pp. 185-197, 2001.
  • Juha Vintturi, Paavo Alku, Eija-Riitta Lauri, Eeva Sala, Marketta Sihvo, Erkki Vilkman: Objective analysis of vocal warm-up with special reference to ergonomic factors. Journal of Voice, Vol. 15, No. 1, pp. 36-53, 2001.
  • Elene Kushnerenko, Marie Cheour, Rita Ceponiene, Vineta Fellman, Martin Renlund, K. Soininen, Paavo Alku, M. Koskinen, Kimmo Sainio, Risto Näätänen: Central auditory processing of durational changes in complex speech patterns by newborns: An event-related brain potential study. Developmental Neuropsychology, Vol. 19, No. 1, pp. 83-97, 2001.
  • Juha Vintturi, Paavo Alku, Eija-Riitta Lauri, Eeva Sala, Marketta Sihvo, Erkki Vilkman: The effects of post-loading rest on acoustic parameters with special reference to gender and ergonomic factors. Folia Phoniatrica et Logopaedica, Vol. 53, No. 6. pp. 338-350, 2001.
  • Paavo Alku, Päivi Sivonen, Kalle Palomäki, Hannu Tiitinen: The periodic structure of vowel sounds is reflected in human electromagnetic brain responses. Neuroscience Letters, Vol. 298, No. 1, pp. 25-28, 2001.
  • Rita Ceponiene, Anna Shestakova, Polina Balan, Paavo Alku, Kyoshi Yiaguchi, Risto Näätänen: Children's auditory event-related potentials index stimulus complexity and "speechness". International Journal of Neuroscience, Vol. 109, pp. 245-260, 2001.
  • Erkki Vilkman, Paavo Alku, Juha Vintturi: Dynamic extremes of voice in the light of time domain parameters extracted from the amplitude features of glottal flow and its derivative. Folia Phoniatrica et Logopaedica, Vol. 54, No. 3, pp. 144-157, 2002.
  • Friedemann Pülvermuller, Teija Kujala, Yury Shtyrov, Jaana Simola, Hannu Tiitinen, Paavo Alku, Kimmo Alho, Sami Martinkauppi, Risto Ilmoniemi, Risto Näätänen. Memory traces for words as revealed by the Mismatch Negativity (MMN). NeuroImage, Vol. 14, pp. 607-616, 2001.
  • Rita Ceponiene, Kyoshi Yiaguchi, Anna Shestakova, Paavo Alku, Suominen, Risto Näätanen: Sound complexity and "speechness" effects on preattentive auditory discrimination in children. International Journal of Neuroscience, Vol. 109, pp. 245-260, 2001.
  • Maria Jaramillo, Titta Ilvonen, Teija Kujala, Paavo Alku, Mari Tervaniemi, Kimmo Alho: Are different kinds of acoustic features processed differently for speech and non-speech sounds? Cognitive Brain Research, Vol. 12, pp. 459-466, 2001.
  • Minna Huotilainen, Teija Kujala, Paavo Alku: Long-term memory traces facilitate short-term memory trace formation in audition in humans. NeuroScience Letters, Vol. 310, No. 2-3, pp. 133-136, 2001.
  • Paavo Alku, Juha Vintturi, Erkki Vilkman: Measuring the effect of fundamental frequency raising as a strategy for increasing vocal intensity in soft, normal, and loud phonation. Speech Communication, Vol. 38, No. 3-4, pp. 321-334, November 2002.
  • Tom Bäckström, Paavo Alku, Erkki Vilkman: Time-domain parameterization of the closing phase of glottal airflow waveform from voices over a large intensity range. IEEE Transactions on Speech and Audio Processing, Vol. 10, No. 3, pp. 186-192, March 2002.
  • Kalle J. Palomäki, Hannu Tiitinen, Ville Mäkinen, Patrick May and Paavo Alku: Cortical processing of speech sounds and their analogues in a spatial auditory environment. Cognitive Brain Research, Vol. 14, Issue 2, pp. 294-299, August 2002.
  • Paavo Alku, Tom Bäckström and Erkki Vilkman: Normalized amplitude quotient for parameterization of the glottal flow. Journal of the Acoustical Society of America, Vol. 112, No. 2, pp. 701-710, August 2002.
  • Marie Cheour, Anna Shestakova, Paavo Alku, Rita Ceponiene, Risto Näätänen: Mismatch negativity shows that 3-6-year-old children can learn to discriminate non-native speech sounds within two months, Neuroscience Letters Vol. 325, No. 3, pp. 187-190, 2002.
  • Anna-Mari Mäkelä, Paavo Alku, Ville Mäkinen, Jussi Valtonen, Patrick May, Hannu Tiitinen: Human cortical dynamics determined by speech fundamental frequency, NeuroImage, Vol. 17, No. 3, Nov 2002, pp. 1300-1305.
  • W. Bastiaan Kleijn, Tom Bäckström, Paavo Alku: On line spectral frequencies, IEEE Signal Processing Letters, Vol. 10, No. 3, March 2003, pp. 75-77.
  • Tom Bäckström, Paavo Alku: All-pole modeling technique based on weighted sum of LSP polynomials, IEEE Signal Processing Letters, Vol. 10, No. 6, pp. 180-183, June 2003.
  • Anu Kujala, Kimmo Alho, Saija Valle, Päivi Sivonen, Risto J. Ilmoniemi, Paavo Alku and Risto Näätänen: Context modulates processing of speech sounds in the right auditory cortex of human subjects, Neuroscience Letters Vol. 331, pp. 91-94, 2002.
  • Rita Ceponiene, Tuulia Lepistö, Paavo Alku, Heikki Aro, Risto Näätänen: Event-related potential indices of auditory vowel processing in 3-year-old children. Clinical Neurophysiology, Vol. 114, Issue 4, pp. 652-661, 2003.
  • Rita Ceponiene, Tuulia Lepistö, Anna Shestakova, Raija Vanhala, Paavo Alku, Risto Näätänen, Kyoshi Yaguchi: Speech-sound selective auditory impairment in autism: can perceive but do not attend. PNAS (Proceedings of the National Academy of Sciences of the United States of America), Vol. 100, No. 9, pp. 5567-5572, April 19, 2003.
  • Laura Lehto, Leena Rantala, Erkki Vilkman, Paavo Alku, Tom Bäckström: Experiences of a short vocal training course for call-centre customer service advisors. Folia Phoniatrica et Logopaedica, Vol. 55, pp. 163-176, 2003.
  • Tom Bäckström, Laura Lehto, Paavo Alku, Erkki Vilkman: Automatic pre-segmentation of running speech improves the robustness of several acoustic voice measures. Logopedics Phoniatrics Vocology, Vol. 28, No. 3, pp. 101-108, Oct. 2003.
  • Eira Jansson-Verkasalo, Rita Ceponiene, Marita Valkama, Leena Vainionpää, Kyösti Laitakari, Paavo Alku, Kalervo Suominen, Risto Näätänen: Deficient speech-sound processing, as shown by the electrophysiologic brain mismatch negativity response, and naming ability in prematurely born children. Neuroscience Letters, Vol. 348, pp. 5-8, 2003.
  • Tom Bäckström, Paavo Alku: A constrained linear predictive model with the minimum-phase property. Signal Processing, Vol. 83, pp. 2259-2264, 2003.
  • Rita Ceponiene, Tuulia Lepistö, Mika Soininen, Eeva Aronen, Paavo Alku, Risto Näätänen: Event-related potentials associated with sound discrimination versus novelty detection in children. Psychophysiology, Vol. 41, Issue 1, pp. 130-141, 2004.
  • Istvan Winkler, Teija Kujala, Paavo Alku, Risto Näätänen: Language context and phonetic change detection. Cognitive Brain Research, Vol. 17, pp. 833-844, 2003.
  • Catharine Pettigrew, Bruce Murdoch, Joseph Kei, Helen Chenery, Curtis Ponton, Simon Finnigan, Paavo Alku: Processing of English words with fine acoustic contrasts and simple tones: A mismatch negativity study. Journal of the American Academy of Audiology, Vol. 15, No. 1, pp. 47-66, Jan. 2004.
  • Anna Mari Mäkelä, Paavo Alku, Hannu Tiitinen: The auditory N1m reveals the left-hemispheric representation of vowel identity in humans. Neuroscience Letters, Vol. 353, pp. 111-114, 2003.
  • Paavo Alku, Tom Bäckström: Linear predictive method for improved spectral modeling of lower frequencies of speech with small prediction orders. IEEE Transactions on Speech and Audio Processing, Vol. 12, No. 2, pp. 93-99, March 2004.
  • Tom Bäckström, Paavo Alku, Tuomas Paatero, Bastiaan Kleijn: A time domain interpretation for the LSP decomposition. IEEE Transactions on Speech and Audio Processing. Vol. 12, No. 6, pp. 554-560, Nov. 2004.
  • Eira Jansson-Verkasalo, Pirjo Korpilahti, Ville Jäntti, Marita Valkama, Leena Vainionpää, Paavo Alku, Kalervo Suominen, Risto Näätänen: Neurophysiologic correlates of deficient phonological representations and object naming in prematurely born children. Clinical Neurophysiology, Vol. 115, Issue 1, pp. 179-187, 2004.
  • Johan Sundberg, Margareta Thalen, Paavo Alku, Erkki Vilkman: Estimating perceived phonatory pressedness in singing from flow glottograms. Journal of Voice, Vol. 18, Issue 1, pp. 56-62, 2004.
  • Catharine Pettigrew, Bruce Murdoch, Curtis Ponton, Joseph Kei, Helen Chenery, Paavo Alku: Subtitled videos and mismatch negativity (MMN) investigations of spoken word processing. Journal of the American Academy of Audiology. Vol. 15, No. 7, pp. 469-485, 2004.
  • Elyse Sussman, Teija Kujala, Jaana Halmetoja, Heikki Lyytinen, Paavo Alku, Risto Näätänen: Automatic and controlled processing of acoustic and phonetic contrasts. Hearing Research, Vol. 190, pp. 128-140, 2004.
  • Catharine Pettigrew, Bruce Murdoch, Curtis Ponton, Simon Finnigan, Paavo Alku, Joseph Kei, Ravi Sockalingam, Helen Chenery: Automatic auditory processing of English words as indexed by the mismatch negativity (MMN), using a multiple deviant paradigm. Ear and Hearing, Vol. 25, Issue 3, pp. 284-301, 2004.
  • Anna-Mari Mäkelä, Paavo Alku, Ville Mäkinen, Hannu Tiitinen: Glides in speech fundamental frequency are reflected in the auditory N1m response. NeuroReport, Vol. 15, No. 7, pp. 1205-1208, 2004.
  • Titta Ilvonen, Teija Kujala, Hesham Kozou, Anita Kiesiläinen, Oili Salonen, Paavo Alku, Risto Näätänen: The processing of speech and non-speech sounds in aphasic patients as reflected by the mismatch negativity. Neuroscience Letters, Vol. 366, Issue 3, pp. 235-240, 2004.
  • Juha Vintturi, Paavo Alku, Eeva Sala, Marketta SIhvo, Erkki Vilkman: Loading-related subjective symptoms during a vocal loading test with special reference to gender and some ergonomic factors. Folia Phoniatrica et Logopaedica, Vol. 55, No. 2, pp. 55-69, 2003.
  • Elina Pihko, Teija Kujala, Annika Mickos, Henrik Antell, Paavo Alku, Roger Byring, Marit Korkman: Magnetic fields evoked by speech sounds in preschool children. Clinical Neurophysiology, Vol. 116, pp. 112-119, 2005.
  • Hesham Kozou, Teija Kujala, Yury Shtyrov, Esko Toppila, Jukka Starck, Paavo Alku, Risto Näätänen: The effect of different noise types on the speech and non-speech elicited mismatch negativity. Hearing Research, Vol. 199, Issues 1-2, pp. 31-39, 2005.
  • Elvira Brattico, Teija Kujala, Mari Tervaniemi, Paavo Alku, Luigi Ambrosi, Vincenzo Monitillo: Long-term exposure to occupational noise alters the cortical organization of sound processing. Clinical Neurophysiology, Vol. 116, pp. 190-203, 2005.
  • Catharine Pettigrew, Bruce Murdoch, Joseph Kei, Curtis W. Ponton, Paavo Alku, Helen J. Chenery: The Mismatch Negativity (MMN) Response to Complex Tones and Spoken Words in Individuals with Aphasia. Aphasiology, Vol. 19 (No.2), pp. 131-164, 2005.
  • Teija Kujala, Matias J Palva, Oili Salonen, Paavo Alku, Minna Huotilainen, Antti Järvinen, Risto Näätänen: The role of blind humans’ visual cortex in auditory processing. Neuroscience Letters, Vol. 379, pp. 127-131, 2005.
  • Anna-Mari Mäkelä, Paavo Alku, Patrick May, Ville Mäkinen, Hannu Tiitinen: Left-hemispheric brain activity reflects formant transitions in speech sounds. NeuroReport, Vol. 16, No. 6, pp. 549-553, 2005.
  • Kalle J Palomäki, Hannu Tiitinen, Ville Mäkinen, Patrick May, Paavo Alku: Spatial processing in human auditory cortex: The effects of 3D, ITD and ILD stimulation techniques. Cognitive Brain Research, Vol. 24, Issue 3, pp. 364-379, Aug. 2005
  • Rita Ceponiene, Paavo Alku, Marissa Westerfield, Manijeh Torki and Jeanne Townsend: ERPs differentiate syllable and non-phonetic correlate processing in children and adults. Psychophysiology, Vol. 42, Issue 4, pp. 391-406, July 2005.
  • Paavo Alku, Matti Airas, Tom Bäckström, Hannu Pulakka: Using group delay function to assess glottal flows estimated by inverse filtering. Electronics Letters, Vol. 41, No. 9, pp. 562-563.
  • Hannu Tiitinen, Kalle Palomäki, Ville Mäkinen, Patrick May, Paavo Alku: Behavioral detection of spatial stimuli is reflected in auditory cortical dynamics. Journal of Neurology and Clinical Neurophysiology. Online publication. 2004:50, pp. 1-5, November 30, 2004.
  • Anna-Mari Mäkelä, Paavo Alku, Patrick May, Ville Mäkinen, Hannu Tiitinen: The auditory N100m response reflects changes in speech fundamental frequency. Journal of Neurology and Clinical Neurophysiology. Online publication. 2004:49, pp. 1-4, November 30, 2004.
  • Anna-Mari Mäkelä, Paavo Alku, Patrick May, Ville Mäkinen, Hannu Tiitinen: Cortical activity elicited by isolated vowels and diphthongs. Journal of Neurology and Clinical Neurophysiology. Online publication. 2004:91, pp. 1-4, November 30, 2004.
  • Hannu Tiitinen, Anna-Mari Mäkelä, Ville Mäkinen, Patrick May, Paavo Alku: Periodic glottal excitation and formant frequencies in the perception of vowels. Journal of Neurology and Clinical Neurophysiology. Online publication. 2004:103, pp. 1-4, November 30, 2004.
  • Laura Lehto, Paavo Alku, Tom Bäckström, Erkki Vilkman: Voice symptoms of call-centre customer service advisers experienced during a work-day and effects of a short vocal training course. Logopedics Phoniatrics Vocology, Vol. 30, No. 1, pp. 14-27, 2005.
  • Paavo Alku, Brad Story, Matti Airas: Estimation of the voice source from speech pressure signals: Evaluation of an inverse filtering technique using physical modelling of voice production. Folia Phoniatrica et Logopaedica, Vol. 58, No. 2, pp. 102-113, 2006.
  • Eva Björkner, Johan Sundberg, Paavo Alku: Subglottal pressure and normalized amplitude quotient variation in classically trained baritone singers. Logopedics Phoniatrics Vocology, Vol. 31, No. 4, pp. 157-165, 2006.
  • Matti Airas, Paavo Alku: Emotions in vowel segments of continuous speech: Analysis of the glottal flow using the normalized amplitude quotient. Phonetica, Vol. 63, No. 1, pp. 26-46, 2006.
  • Juhani Toivanen, Teija Waaramaa, Paavo Alku, Anne-Maria Laukkanen, Tapio Seppänen, Eero Väyrynen, Matti Airas: Emotions in [a:]: A perceptual and acoustic study. Logopedics Phoniatrics Vocology, Vol. 31, No. 1, pp. 43-48, 2006.
  • Sari Ylinen, Anna Shestakova, Paavo Alku, and Minna Huotilainen: The perception of phonological quantity based on durational cues by native speakers, second-language users and nonspeakers of Finnish. Language and Speech, Vol. 48, No. 3, pp. 313-338, 2005.
  • Hannu Tiitinen, Anna-Mari Mäkelä, Ville Mäkinen, Patrick J. C. May, Paavo Alku: Disentangling the effects of phonation and articulation: Hemispheric asymmetries in the auditory N1m response of the human brain. BMC Neuroscience, Vol. 6, Article no. 62, 2005.
  • Laura Lehto, Matti Airas, Eva Björkner, Johan Sundberg, Paavo Alku: Comparison of two inverse filtering methods in parameterization of the glottal closing phase characteristics in different phonation types. Journal Voice, Vol. 21, No. 2, pp. 138-150, 2007.
  • Tuulia Lepistö, Teija Kujala, Raija Vanhala, Paavo Alku, Minna Huotilainen, Risto Näätänen: The discrimination of and orienting to speech and non-speech sounds in children with autism. Brain Research, Brain Research, Vol. 1066, pp. 147-157, 2005.
  • Teija Waaramaa, Paavo Alku, Anne-Maria Laukkanen: The role of F3 in the vocal expression of emotions. Logopedics Phoniatrics Vocology, Vol 31, No. 4, pp. 153-156, 2006.
  • Hannu Tiitinen, Nelli Salminen, Kalle Palomäki, Ville Mäkinen, Paavo Alku, Patrick May: Neuromagnetic recordings reveal temporal dynamics of auditory spatial processing on the human cortex. Neuroscience Letters, Neuroscience Letters, Vol. 396, Issue 1, pp. 17-22, 2006.
  • Sari Ylinen, Anna Shestakova, Minna  Huotilainen, Paavo Alku, Risto Näätänen: Mismatch negativity (MMN) elicited by changes in phoneme length: A cross-linguistic study. Brain Research, Vol. 1072, Issue 1, pp. 175-185, 2006.
  • Laura Lehto, Laura Laaksonen, Erkki Vilkman, Paavo Alku: Occupational voice complaints and objective acoustic measurements - Do they correlate? Logopedics Phoniatrics Vocology, Vol. 31, No. 4, pp. 147-152, 2006.
  • Paavo Alku, Jaromir Horacek, Matti Airas, Francois Griffond-Boitier, Anne-Maria Laukkanen: Performance of glottal inverse filtering as tested by aeroelastic modelling of phonation and FE modelling of vocal tract. Acta Acustica united with Acustica, Vol. 92, pp. 717-724, 2006.
  • Paavo Alku, Matti Airas, Eva Björkner, Johan Sundberg: An amplitude quotient based method to analyze changes in the shape of the glottal pulse in the regulation of vocal intensity. Journal of the Acoustical Society of America, Vol. 120, Issue 2, pp. 1052-1062, 2006.
  • Elina Pihko, Annika Mickos, Teija Kujala, Annika Pihlgren, Martin Westman, Paavo Alku, Roger Byring, and Marit Korkman: Group intervention changes brain activity in bilingual language-impaired children. Cerebral Cortex, Vol. 17, No. 4, pp. 849-858, 2007.
  • Tom Bäckström, Carlo Magi, and Paavo Alku: Minimum separation of line spectral frequencies, IEEE Signal Processing Letters, IEEE Signal Processing Letters, Vol. 14, No. 2, pp. 145-147, 2007.
  • Tuulia Lepistö, Suvi Silokallio, Taina Nieminen-von Wendt, Paavo Alku, Risto Näätänen, Teija Kujala: Auditory perception and attention as reflected by  the brain event-related potentials in children with Asperger syndrome, Clinical Neurophysiology, Vol. 117, No. 10, pp. 2161-2171, 2006.
  • Juho Kontio, Laura Laaksonen, Paavo Alku: Neural network based artificial bandwidth expansion of speech. IEEE Transactions on Audio, Speech and Language Processing, Vol. 15, No. 3, pp. 873-881, 2007.
  • Teija Kujala, Jaana Halmetoja, Risto Näätänen, Paavo Alku, Heikki Lyytinen, Elyse Sussman: Speech- and sound-segmentation in dyslexia: evidence for a multiple-level cortical impairment. European Journal of Neuroscience, Vol. 24, pp. 2420-2427, 2006.
  • Laura Lehto, Laura Laaksonen, Erkki Vilkman, Paavo Alku: Changes in objective acoustic measurements and subjective voice complaints in call-center customer-service advisors during one working day. Journal of Voice, Vol. 22, Issue 2, pp. 164-177, 2008.
  • Lassi Liikkanen, Hannu Tiitinen, Paavo Alku, Sakari Leino, Santeri Yrttiaho, Patrick J May: The right-hemispheric auditory cortex in humans is sensitive to degraded speech sounds. NeuroReport, Vol. 18, No. 6, pp: 601-605, 2007.
  • Anne-Maria Laukkanen, Hannu Pulakka, Paavo Alku, Erkki Vilkman, Stellan Hertegård, Per-Åke Lindestad, Hans Larsson, Svante Granqvist: High-speed registration of phonation-related glottal area variation during artificial lengthening of the vocal tract. Logopedics Phoniatrics Vocology, Vol. 32, No. 4, pp. 157-164, 2007.
  • Sakari Leino, Patrick J. C. May, Paavo Alku, Lassi A. Liikkanen, Hannu Tiitinen: The contribution of high frequencies to human brain activity underlying horizontal localization of natural spatial sounds. BMC Neuroscience 2007, 8:78.
  • Anke Sambeth, Katja Seppä, Paavo Alku, Vineta Fellman, Minna Huotilainen: Sleeping newborns extract prosody from continuous speech. Clinical  Neurophysiology, Vol. 119, No. 2, pp. 332-41, 2008.
  • Tuulia Lepistö, Marika Kajander, Raija Vanhala, Paavo Alku, Minna Huotilainen, Risto Näätänen, Teija Kujala: The perception of invariant speech features in children with autism. Biological Psychology, Vol. 77, No. 1, pp. 25-31, 2008.
  • Elina Pihko, Teija Kujala, Annika Mickos, Paavo Alku, Roger Byring, Marit Korkman: Language impairment is reflected in auditory evoked fields. International Journal of Psychophysiology, Vol. 68, pp. 161-169, 2008.
  • Carlo Magi, Tom Bäckström, Paavo Alku: Simple proofs of root locations of two symmetric linear prediction models. Signal Processing, Vol. 88, Issue 7, pp. 1894-1897, 2008.
  • Teija Waaramaa, Anne-Maria Laukkanen, Paavo Alku, Eero Väyrynen: Mono-pitched expression of emotions in different vowels. Folia Phoniatrica et Logopaedica, Vol. 60, pp. 249-255, 2008.
  • Santeri Yrttiaho, Hannu Tiitinen, Patrick May, Sakari Leino, Paavo Alku: Cortical sensitivity to periodicity of speech sounds. Journal of the Acoustical Society of America, Vol. 123, No. 4, pp. 2191-2199, 2008.
  • Rita Ceponiene, Manijeh Torki, Paavo Alku, Alain Koyama, Jeanne Townsend: Event-related potentials reflect spectral differences in speech and non-speech stimuli in children and adults. Clinical Neurophysiology, Vol. 119, Issue 7, pp. 1560-1577, 2008.
  • Rika Takegata Mari Tervaniemi, Paavo Alku, Sari Ylinen, Risto Näätänen: Parameter-specific modulation of the mismatch negativity to duration decrement and increment: Evidence for asymmetric processes. Clinical Neurophysiology, Vol. 119, No. 7, pp. 1515-23, 2008.
  • Hannu Pulakka, Laura Laaksonen, Martti Vainio, Jouni Pohjalainen, Paavo Alku: Evaluation of an artificial speech bandwidth extension method in three languages. IEEE Transactions on Audio, Speech, and Language Processing, Vol. 16, Issue 6, pp. 1124 – 1137, 2008.
  • Margriet Groen, Paavo Alku, Dorothy Bishop: Lateralisation of auditory processing in Down syndrome: a study of T-complex peaks Ta and Tb. Biological Psychology, Vol. 79, Issue 2, pp. 148-157, 2008.
  • Teija Waaramaa, Anne-Maria Laukkanen, Matti Airas and Paavo Alku: Perception of emotional valences from vowel segments of continuous speech. Journal of Voice, Vol. 24, No. 1, pp. 30-38, 2010.
  • Tuomas Teinonen, Richard N Aslin, Paavo Alku, Gergely Csibra: Visual speech contributes to phonetic learning in 6-month-old infants. Cognition, Vol. 108, pp. 850-855, 2008.
  • Carlo Magi, Jouni Pohjalainen, Tom Bäckström, Paavo Alku: Stabilised weighted linear prediction. Speech Communication, Vol. 51, pp. 401-411, 2009.
  • Paavo Alku, Carlo Magi, Santeri Yrttiaho, Tom Bäckström, Brad Story: Closed phase covariance analysis based on constrained linear prediction for glottal inverse filtering. Journal of the Acoustical Society of America, Vol. 125, No. 5, pp. 3289-3305, 2009.
  • Santeri Yrttiaho, Paavo Alku, Patrick May, Hannu Tiitinen: Representation of the vocal roughness of aperiodic speech sounds in the auditory cortex. Journal of the Acoustical Society of America, Vol. 125, No. 5, pp. 3177-3185, 2009.
  • Tuomas Teinonen, Vineta Fellman, Risto Näätänen, Paavo Alku, Minna Huotilainen: Statistical language learning in neonates revealed by event-related brain potentials. BMC Neuroscience, 10:21, 2009.
  • Ahmed Geneid, Marjo Rönkkö, Liisa Airaksinen, Risto Voutilainen, Elina Toskala, Paavo Alku, Erkki Vilkman: Pilot study on acute voice and throat symptoms related to exposure to organic dust: Preliminary findings from a provocation test. Logopedics, Phoniatrics, Vocology, Vol. 34, Issue 2, pp. 67-72, 2009.
  • Riikka Lovio, Satu Pakarinen, Minna Huotilainen, Paavo Alku, Salla Silvennoinen, Risto Näätänen, Teija Kujala: Auditory discrimination profiles of speech sound changes in 6-year-old children as determined with the multi-feature MMN paradigm. Clinical Neurophysiology, Vol. 120, Issue 5, pp. 916-921, 2009.
  • Paavo Alku, Carlo Magi, Tom Bäckström: Glottal inverse filtering with the closed-phase covariance analysis utilizing mathematical constraints in modelling of the vocal tract. Logopedics, Phoniatrics, Vocology (Special Issue for the Jan Gauffin Memorial Symposium), Vol. 34, No. 4, pp. 200-209, 2009.
  • Laura Laaksonen, Hannu Pulakka, Ville Myllylä, Paavo Alku: Development, evaluation and implementation of an artificial bandwidth extension method of telephone speech in mobile terminal. IEEE Transactions on Consumer Electronics, Vol. 55, No. 2, pp. 780-787, 2009.
  • Riia Milovanova, Minna Huotilainen, Paulo Esquef, Paavo Alku, Vesa Välimäki, Mari Tervaniemi: The role of musical aptitude and language skills in preattentive duration processing in school-aged children. Neuroscience Letters, Vol. 460, Issue 2, pp. 161-165, 2009.
  • Satu Pakarinen, Riikka Lovio, Minna Huotilainen, Paavo Alku, Risto Näätänen, Teija Kujala: Fast multi-feature paradigm for recording several mismatch negativities (MMNs) to phonetic and acoustic changes in speech sounds. Biological Psychology, Vol. 82, Issue 3, pp. 219-226, 2009.
  • Nelli Salminen, Hannu Tiitinen, Ismo Miettinen, Paavo Alku, Patrick May: Asymmetrical representation of auditory space in human cortex. Brain Research, Vol. 1306, pp. 93-99, 2010.
  • Nelli H. Salminen, Patrick J.C. May, Paavo Alku, Hannu Tiitinen: A population rate code of auditory space in the human cortex. PLoS One 4(10).
  • Tanja Rinker, Paavo Alku, Sibylle Brosch, Markus Kiefer: Discrimination of native and non-native vowel contrasts in bilingual Turkish–German and monolingual German children: Insight from the Mismatch Negativity ERP component. Accepted to be published in Brain and Language.
  • Tuomo Raitio, Antti Suni, Junichi Yamagishi, Hannu Pulakka, Jani Nurminen, Martti Vainio, Paavo Alku: HMM-based speech synthesis utilizing glottal inverse filtering. Accepted to be published IEEE Transactions on Audio, Speech, and Language Processing.
  • Alexander Sorokin, Paavo Alku, Teija Kujala: Change and novelty detection in speech and non-speech sound streams. Accepted to be published in Brain Research.

 

II               Book chapters:

·        Paavo Alku: Estimation of the glottal excitation of speech with pitch-synchronous iterative adaptive inverse filtering, In: Visual representations of speech signals, M. Cooke, S. Beet, M. Crawford (Eds)., Wiley, Chichester, UK, pp. 139-146, 1993.

·        Anne-Maria Laukkanen, Paavo Alku, Matti Airas, Teija Waaramaa: The role of voice in the expression and perception of emotions In: Emotions of the Human Voice, Volume I. K. Izdebski (Ed.) Plural Publishing: San Diego, pp. 171-184, 2008

 

III             Articles in international conference proceedings:

  • Matti Karjalainen, Toomas Altosaar, Paavo Alku: QuickSig-An Object-Oriented Signal Processing Environment, Proc. IEEE Int. Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp.1682-1685, New York, 1988.
  • Paavo Alku, Unto Laine: A New Glottal LPC Method for Voice Coding and Inverse Filtering, Proc. IEEE Int. Symposium on Circuits and Systems (ISCAS), pp. 1831-1834, Portland, 1989.
  • Paavo Alku, Unto Laine: Bi-Directional Linear Prediction - A New LPC-based Method for Signal Processing. Proc. AMSE International Conference Signals & Systems, Vol 1, pp. 101-114, Brighton, 1989.
  • Paavo Alku, Unto Laine: A New Glottal LPC Method of Low Complexity for Speech Analysis and Coding, Proc. Eurospeech-89, Vol. 2, pp. 31-34, Paris, 1989.
  • Matti Karjalainen, Toomas Altosaar, Paavo Alku, Lauri Lehtinen, Seppo Helle: Speech Processing in the Object-Oriented DSP Environment QuickSig, Proc. Eurospeech-89, pp. 450-453, Paris, 1989.
  • Paavo Alku: Low Bit Rate Speech Coding with Glottal Linear Prediction, Proc. IEEE Int. Symposium on Circuits and Systems (ISCAS), pp. 2149-2152, New Orleans, 1990.
  • Paavo Alku: Comparison of Simple All-Zero, All-Pole, and Pole-Zero Pre-emphasis in Linear Predictive Analysis, Proc. IASTED Int. Conf. Signal Processing and Digital Filtering, pp. 159-163, Lugano, 1990.
  • Paavo Alku, Unto Laine: Direct estimation of the Minimum Phase Polynomial of a Linear Phase FIR without Explicit Root Solving, Proc. European Signal Processing Conference (EUSIPCO), pp. 561-564, Barcelona, 1990.
  • Paavo Alku: Glottal-LPC based coding of telephone band vowels with simple all-pole excitation, Proc. Int. Conf. on Spoken Language Processing, pp. 89-92, Kobe, 1990.
  • Paavo Alku, Erkki Vilkman, Unto Laine: A comparison of EGG and a new inverse filtering method in phonation change from breathy to normal, Proc. Int. Conf. on Spoken Language Processing, pp. 197-200, Kobe, 1990.
  • Paavo Alku: Coding of telephone band speech at 5 kbit/s based on glottal excitation analysis, Proc. IEEE Int. Symposium on Circuits and Systems (ISCAS), pp. 332-335, Singapore, 1991.
  • Paavo Alku, Erkki Vilkman, Unto Laine: Analysis of glottal waveform in different phonation types using the new IAIF-method, Proc. XII Int. Conf. of Phonetic Sciences, Vol. 4, pp. 362-365, Aix-en-Provence, 1991.
  • Paavo Alku: Glottal wave analysis with Pitch Synchronous Iterative Adaptive Inverse Filtering, Proc. EuroSpeech-91, pp. 1081-1084, Genova, 1991.
  • Paavo Alku: An automatic method to estimate the time-based parameters of the glottal pulseform, Proc. IEEE Int. Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 2, pp. 29-32, San Francisco, 1992.
  • Paavo Alku: Estimation of the glottal excitation of signals "clean.wav" and "dirty.wav" with Pitch Synchronous Iterative Adaptive Inverse Filtering, Proc. ESCA Workshop, Comparing Speech Signal Representations, Sheffield, 1992.
  • Paavo Alku: Inverse filtering of the glottal waveform using the Itakura-Saito distortion measure, Proc. Int. Conf. on Spoken Language Processing, pp. 847-850, Banff, 1992.
  • Erkki Vilkman, Marketta Sihvo, Paavo Alku, Anne-Maria Laukkanen, Eeva Pekkarinen: Objective analysis of speech profile phonations of normal female subjects in a vocally-loading task, Hacki T. (editor), Aktuelle phoniatrisch-pädaudiologische Aspekte, Renate Gross Verlag, Berlin, pp. 174-181, ISBN 3-926468-10-6, 1993.
  • Erkki Vilkman, Paavo Alku: Register shift in lower pitch range, Proc. Stocholm Music Acoustics Conference, pp. 271-276, Stockholm, 1993.
  • Paavo Alku, Matti Karjalainen, Toomas Altosaar: QuickSig - An object oriented tool for digital signal processing in the IBM-PC-Environment, Proc. Asia-Pacific Symposium on Information and Telecommunication Technologies, paper 9.1, Bangkok, 1993.
  • Paavo Alku, Erkki Vilkman: Estimation of the glottal pulseform based on Discrete All-Pole modeling, Proc. Int. Conf. on Spoken Language Processing, pp. 1619-1622, Yokohama, 1994.
  • Erkki Vilkman, Eija-Riitta Lauri, Paavo Alku, Eeva Pekkarinen, Marketta Sihvo: Changes in time-based glottal waveform parameters due to loading of voice in different humidity conditions, Proc. Third Nordic Congress on Logopedics and Phoniatrics, Edited by Bent E. Kjær, pp. 39-42, Göteborg, 6-9.10.1994, Sweden.
  • Paavo Alku, Erkki Vilkman: Comparing methods for quantifying the voice source of different phonation types inverse filtered from acoustic speech signals, Proc. XIIIth Int. Congress on Phonetic Sciences, Vol. 2, pp. 422-425, Stockholm, 1995.
  • Anne-Maria Laukkanen, Erkki Vilkman, Paavo Alku, Hanna Oksanen: On the perception of emotional content in speech, Proc. XIIIth Int. Congress of Phonetic Sciences, Vol. 1, pp. 246-249, Stockholm, 1995.
  • Paavo Alku, Erkki Vilkman: A frequency domain method for parametrization of the voice source, Proc. Int. Conf. on Spoken Language Processing, pp. 1569-1572, Philadelphia, 1996.
  • Paavo Alku, Susanna Varho: A new linear predictive method for spectral estimation of voiced speech, Proc. IEEE Int. Symposium on Circuits and Systems (ISCAS), Vol. 4, pp. 2649-2652, Hong Kong, 1997.
  • Susanna Varho, Paavo Alku: A linear predictive method using extrapolated samples for modelling of voiced speech, Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, session 4, pp. 13-16, New Paltz, New York, 1997.
  • Susanna Varho, Paavo Alku: Regressive linear prediction with triplets - An effective all-pole modelling technique for speech processing Proc. IEEE Int. Symposium on Circuits and Systems (ISCAS), Vol. 4, pp. 194-197, Monterey, California, USA, 1998.
  • Susanna Varho, Paavo Alku: Spectral estimation of voiced speech with regressive linear prediction, Proc. European Signal Processing Conference (EUSIPCO), Vol. 2, pp. 1189-1192, Rhodes, Greece, 1998.
  • Paavo Alku, Susanna Varho: A new linear predictive method for compression of speech signals, Proc. International Conference on Spoken Language Processing (ICSLP), Vol. 6, pp. 2563-2566, Sydney, Australia, 1998.
  • Paavo Alku, Juha Vintturi, Erkki Vilkman: Analyzing the effect of secondary excitations of the vocal tract on vocal intensity in different loudness conditions, Proc. International Conference on Spoken Language Processing (ICSLP), Vol. 2, pp. 535-538, Sydney, Australia, 1998.
  • Juha Vintturi, Paavo Alku, Eija-Riitta Lauri, Erkki Vilkman: Combined time and amplitude parameter of the glottal flow waveform as an indicator of changes in vocal performance, Proc. of the 24th Congress of the International Association of Logopedics and Phoniatrics (IALP), Amsterdam, The Netherlands, Aug. 23-27, 1998. Vol. 1, pp. 134-137. Printed in 1999.
  • Marketta Sihvo, Eija-Riitta Lauri, Paavo Alku, Eeva Sala, Erkki Vilkman: Subjective reports on voice changes during prolonged loud reading, Proc. of the 24th Congress of the International Association of Logopedics and Phoniatrics (IALP), Amsterdam, The Netherlands, Aug. 23-27, 1998. Vol. 1, pp. 101-103. Printed in 1999.
  • Eija-Riitta Lauri, Paavo Alku, Erkki Vilkman, Eeva Sala, Marketta Sihvo: Changes in the ratio between the flow amplitude and the negative peak amplitude of the first derivative of the glottal flow waveform during vocal loading, Proc. of the 24th Congress of the International Association of Logopedics and Phoniatrics (IALP), Amsterdam, The Netherlands, Aug. 23-27, 1998. Vol. 1, pp. 53-55. Printed in 1999.
  • Susanna Varho, Paavo Alku: A new predictive method for all-pole modelling of speech spectra with a compressed set of parameters. Proc. IEEE Int. Symposium on Circuits and Systems (ISCAS), Vol. 3, pp. 126-129, Orlando, Florida, USA, May 30-June 2, 1999.
  • Paavo Alku, Juha Vintturi, Erkki Vilkman: Linearity of the function between the sound pressure level of speech and the negative peak amplitude of the differentiated glottal flow for voices of different intensities. Proc. XIVth Int. Congress of Phonetic Sciences (ICPhS), Vol. 2, pp. 977-980, San Francisco, California, USA, Aug. 1-7, 1999.
  • Mietta Lennes, Anne Lehtokoski, Paavo Alku, Risto Näätänen: Acoustic, psychoacoustic, and psychophysiological measures of distance in the Finnish vowel space. Proc. XIVth Int. Congress of Phonetic Sciences (ICPhS), Vol. 3, pp. 2465-2468, San Francisco, California, USA, Aug. 1-7, 1999.
  • Susanna Varho, Paavo Alku: A linear predictive method for highly compressed presentation of speech spectra. Proc. IEEE Int. Symposium on Circuits and Systems (ISCAS), Vol. 5, pp. 57-60, Geneva, Switzerland, May 28-31, 2000.
  • Paavo Alku, Tom Bäckström, Juha Vintturi, Erkki Vilkman: Effects of prolonged oral reading on spectral decay of the glottal flow. Proc. of the 4th International Workshop, Advances in Quantitative Laryngoscopy, Voice and Speech Research, pp. 34-41, Jena, Germany, April 7-8, 2000.
  • Erkki Vilkman, Paavo Alku, Juha Vintturi: Dynamic extremes of voice in the light of acoustic and physiologic paramaters. Proc. of the 4th International Workshop, Advances in Quantitative Laryngoscopy, Voice and Speech Research, pp. 14-21, Jena, Germany, April 7-8, 2000.
  • Juha Vintturi, Paavo Alku, Erkki Vilkman: Objective effects of vocal loading and rest on amplitude quotient (AQ) in females and males. Proc. of the 4th International Workshop, Advances in Quantitative Laryngoscopy, Voice and Speech Research, pp. 139-146, Jena, Germany, April 7-8, 2000.
  • Susanna Varho, Paavo Alku: All-pole spectral modelling of voiced speech with a highly compressed set of parameters. Proc. European Signal Processing Conference (EUSIPCO), Vol. 1, pp. 167-170, Tampere, Finland, Sept. 4-8, 2000.
  • Paavo Alku, Susanna Varho: A frequency domain method to improve modelling of formants in speech coding applications of linear prediction. Proc. Nordic Signal Processing Symposium (NorSig), pp. 109-112, Kolmården, Sweden, June 13-15, 2000.
  • Susanna Varho, Paavo Alku: Linear prediction of speech by sample grouping. Proc. Nordic Signal Processing Symposium (NorSig), pp. 113-116, Kolmården, June 13-15, Sweden, 2000.
  • Paavo Alku, Jan Svec, Erkki Vilkman, Frantisek Sram: Analysis of voice production in breathy, normal and pressed phonation by comparing inverse filtering and videokymography. Proc. International Conference on Spoken Language Processing (ICSLP), Vol. III, pp. 885-888, Beijing, China, Oct. 16-20, 2000.
  • Paavo Alku, Hannu Tiitinen, Kalle Palomäki, Päivi Sivonen: MEG-measurements of brain activity reveal the link between human speech production and perception. Proc. International Conference on Spoken Language Processing (ICSLP), Vol. II, pp. 11-14, Beijing, China, Oct. 16-20, 2000.
  • Kalle Palomäki, Paavo Alku, Ville Mäkinen, Patrick May, Hannu Tiitinen: Neuromagnetic study on localization of speech sounds. Proc. International Conference on Spoken Language Processing (ICSLP), Vol. III, pp. 462-465, Beijing, China, Oct. 16-20, 2000.
  • Susanna Varho, Paavo Alku: Separated linear prediction - Improved spectral modelling by sample grouping. Proc. IEEE International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Vol. 2, pp. 731-735, Honolulu, Hawaii, Nov. 5-8, 2000.
  • Hannu Tiitinen, Kalle Palomäki, Ville Mäkinen, Patrick May, Paavo Alku: Neuromagnetic measurement of sound location processing in the human brain. Proc. Biomag 2000, pp. 99-102, Espoo, Finland, August 13-16, 2000.
  • Paavo Alku, Erkki Vilkman, Tom Bäckström, Juha Vintturi: Normalised amplitude quotient for parameterisation of the glottal flow. Proc. of the 5th International Workshop, Advances in Quantitative Laryngoscopy, Voice and Speech Research, Groningen, Paper no. 1, pp. 1-8, The Netherlands, April 27-28, 2001.
  • Tom Bäckström, Paavo Alku, Erkki Vilkman: An analysis environment for studying effects of vocal loading from continuous speech. In Proc. of the 5th International Workshop, Advances in Quantitative Laryngoscopy, Voice and Speech Research, Paper no. 2, pp. 1-5, Groningen, The Netherlands, April 27-28, 2001.
  • Erkki Vilkman, Paavo Alku, Juha Vintturi: Closing quotient and amplitude-based effective main excitation time in characterisation of effects of vocal warm-up on the glottal flow waveform. Proc. of the 5th International Workshop, Advances in Quantitative Laryngoscopy, Voice and Speech Research, Paper no. 20, pp. 1-8, Groningen, The Netherlands, April 27-28, 2001.
  • Paavo Alku, Juha Vintturi, Erkki Vilkman: The effect of fundamental frequency per se on vocal intensity in soft, normal, and loud phonation. In Proc. of the 25th Congress of the International Association of Logopedics and Phoniatrics (IALP), Montreal, Canada, Aug. 5-9, 2001.
  • Erkki Vilkman, Paavo Alku: Characterisation of phonation types using a new glottal source parameter NAQ. In Proc. of the 25th Congress of the International Association of Logopedics and Phoniatrics (IALP), Montreal, Canada, Aug. 5-9, 2001.
  • Juha Vintturi, Paavo Alku, Marketta Sihvo, Erkki Vilkman: Relationship between subjective symptoms and acoustic parameters after vocal loading in healthy voices. In Proc. of the 25th Congress of the International Association of Logopedics and Phoniatrics (IALP), Montreal, Canada, Aug. 5-9, 2001.
  • Paavo Alku, Juha Vintturi, Erkki Vilkman: The use of fundamental frequency raising as a strategy for increasing vocal intensity in soft, normal, and loud phonation. Proc. Eurospeech 2001, Vol. 2, pp. 919-922, Aalborg, Denmark, Sept. 3-7, 2001.
  • Federico Avanzini, Paavo Alku, Matti Karjalainen: One-delayed-mass model for efficient synthesis of glottal flow. Proc. Eurospeech 2001, Vol. 1, pp. 51-54, Aalborg, Denmark, Sept. 3-7, 2001.
  • Federico Avanzini, Carlo Drioli, Paavo Alku: Synthesis of the voice source using a physically-informed model of the glottis. Proc. International Symposium on Musical Acoustics (ISMA), Vol. 1, pp. 31-34, Perugia, Italy, September 10-14, 2001.
  • Tom Bäckström, Paavo Alku, Bastiaan Kleijn: A time-domain reformulation of linear prediction equivalent to the LSP decomposition. Proc. IEEE Int. Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol. I, pp. 661-664, Orlando, Florida, USA, 2002.
  • Paavo Alku, Tom Bäckström: All-pole modeling technique based on the weighted sum of the LSP polynomials. Proc. IEEE Int. Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol. I, pp. 665-668, Orlando, Florida, USA, 2002.
  • Hannu Tiitinen, Kalle Palomäki, Ville Mäkinen, Patrick May, Paavo Alku: Representation of auditory space in human auditory cortex: Effects of ILD, ITD and 3D stimulation techniques. Proc. 13th Int. Conference on Biomagnetics (Biomag2002), pp. 128-130, Jena, Germany, Aug. 10-14, 2002.
  • Jussi Valtonen, Patrick May, Ville Mäkinen, Paavo Alku, Hannu Tiitinen: The irrelevant sound effect and cortical processing of speech and non-speech stimuli. Proc. 13th Int. Conference on Biomagnetics (Biomag2002), pp. 382-384, Jena, Germany, Aug. 10-14, 2002.
  • Anna Mari Mäkelä, Paavo Alku, Hannu Tiitinen: The Auditory N1m Reveals Vowel Identity Representation in the Left Hemisphere of Human Auditory Cortex. Proc. 13th Int. Conference on Biomagnetics (Biomag2002), pp. 356-358, Jena, Germany, Aug. 10-14, 2002.
  • Paavo Alku, Tom Bäckström: All-pole modeling of wide-band speech using weighted sum of the LSP-polynomials. Proc. Int. Conference on Spoken Language Processing (ICSLP'02), pp. 977-980, Denver, Colorado, USA, Sept. 16-20, 2002.
  • Zhijian Yuan, Tom Bäckström, Paavo Alku: All-pole modelling of noisy speech with the Weighted Sum of the Line Spectrum Pair. In Proc. Nordic Signal Processing Conference, Tromsö-Trondheim, Norway, Oct. 4-7, 2002.
  • Paavo Alku, Tom Bäckström: All-pole modeling of wide-band speech with symmetric linear prediction. Proc. Int. Conf. on Acoustics, Speech and Signal Proc. (ICASSP'03), Vol. 1, pp. 152-155, Hong Kong, China, April 6-10, 2003.
  • Tom Bäckström, Paavo Alku: On the stability of constrained linear predictive models. Proc. Int. Conf. on Acoustics, Speech and Signal Proc. (ICASSP'03), Vol. 6, pp. 285-288, Hong Kong, China, April 6-10, 2003.
  • Sari Nenonen, Anna Shestakova, Paavo Alku, and Minna Huotilainen: Perception of vowel length in native speakers and second-language users of a quantity language. Proc. The 15th Int. Congress on Phonetic Sciences, pp. 531-534, Barcelona, Spain, Aug. 3-9, 2003.
  • Erkki Vilkman, Laura Lehto, Tom Bäckström, Paavo Alku: Vocal loading of call centre personnel. Proc. of the 6th International Workshop, Advances in Quantitative Laryngoscopy, Voice and Speech Research, paper no. xx, pp. 1-6, Hamburg, Germany, April 3-5, 2003.
  • Paavo Alku, Tom Bäckström: Linear predictive method with low-frequency emphasis. Proc. Eurospeech 2003, pp. 433-436, Geneve, Switzerland, Sept. 1-4, 2003.
  • Paavo Alku: Parameterisation of the glottal flow estimated by inverse filtering. (Invited talk). In Proc. ISCA Workshop on Voice Quality: Functions, analysis and synthesis (VOQUAL03), pp. 81-87, Geneva, Switzerland, Aug. 27-29, 2003.
  • Matti Airas, Paavo Alku: Emotions in short vowel segments: Effects of the glottal flow as reflected by the normalized amplitude quotient. In Proc Tutorial and Research Workshop, Affective Dialogue Systems, pp. 13-24, Kloster Irsee, Germany, June 14-16, 2004.
  • Anna-Mari Mäkelä, Paavo Alku, Patrick May, Ville Mäkinen, Hannu Tiitinen: Cortical activity elicited by isolated vowels and diphthongs, In Proc. Biomag 2004, pp. 515-516, Boston, Massachusetts, USA, August 8-12, 2004.
  • Hannu Tiitinen, Anna-Mari Mäkelä, Ville Mäkinen, Patrick May, Paavo Alku: Periodic glottal excitation and formant frequencies in the perception of vowels. In Proc. Biomag 2004, pp. 553-554, Boston, Massachusetts, USA, August 8-12, 2004.
  • Anna-Mari Mäkelä, Paavo Alku, Ville Mäkinen, Hannu Tiitinen: The auditory N100m response reflects glides in speech fundamental frequency. In Proc. Biomag 2004, pp. 517-518, Boston, Massachusetts, USA, August 8-12, 2004.
  • Hannu Tiitinen, Kalle Palomäki, Ville Mäkinen, Patrick May, Paavo Alku: Behavioral detection of spatial stimuli is reflected in auditory cortical dynamics. In Proc. Biomag 2004, pp. 551-552, Boston, Massachusetts, USA, August 8-12, 2004.
  • Paavo Alku, Brad Story, Matti Airas: Evaluation of an inverse filtering technique using physical modeling of voice production. In CD Proc. of the Int. Conference on Spoken Language Processing, Jeju Island, Korea, Oct. 4-8, 2004.
  • Hannu Pulakka, Paavo Alku, Svante Granqvist, Stellan Hertegård, Hans Larsson, Anne-Maria Laukkanen, Per-Åke Lindestad, Erkki Vilkman: Analysis of the voice source in different phonation types: Simultaneous high-speed imaging of the vocal fold vibration and glottal inverse filtering. In CD Proc. of the Int. Conference on Spoken Language Processing, Jeju Island, Korea, Oct. 4-8, 2004.
  • Tom Bäckström, Matti Airas, Laura Lehto, Paavo Alku: Objective Quality Measures for Glottal Inverse Filtering of Speech Pressure Signals. Proc. IEEE Int. Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 1, pp. 897-900, Philadelphia, USA, 2005.
  • Laura Laaksonen, Juho Kontio, Paavo Alku: Artificial Bandwidth Expansion Method to Improve Intelligibility and Quality of AMR-Coded Narrowband Speech. Proc. IEEE Int. Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 1, pp. 809-812, Philadelphia, USA, 2005.
  • Eva Björkner, Johan Sundberg, Paavo Alku: Subglottal Pressure and NAQ Variation in Voice Production of Classically Trained Baritone Singers. Proc. 9th European Conference on Speech Communication and Technology (Interspeech’2005), pp. 1057-1060, September 4-8, Lisbon, Portugal.
  • Matti Airas, Hannu Pulakka, Tom Bäckström, Paavo Alku: A Toolkit for Voice Inverse Filtering and Parametrisation. Proc. 9th European Conference on Speech Communication and Technology (Interspeech’2005), pp. 2145-2148, September 4-8, Lisbon, Portugal.
  • Paavo Alku, Matti Airas, Tom Bäckström, Hannu Pulakka: Group Delay Function as a Means to Assess Quality of Glottal Inverse Filtering. Proc. 9th European Conference on Speech Communication and Technology (Interspeech’2005), pp. 1053-1056, September 4-8, Lisbon, Portugal.
  • Paavo Alku, Jaromir Horáček, Matti Airas, Anne-Maria Laukkanen: Assesment of glottal inverse filtering by using aeroelastic modelling of phonation and FE modelling of vocal tract. Proc. 4th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications (MAVEBA’05), pp. 73-76, Oct. 29-31, Firenze, Italy.
  • Eva Björkner, Johan Sundberg, Paavo Alku: NAQ variation with Ps in classically trained baritone singers. Proc. 6th Pan-European Voice Conference, London, UK, 31 Aug - 3 Sept, 2005.
  • Carlo Magi, Tom Bäckström, Paavo Alku: Objective and subjective evaluation of seven selected all-pole modelling methods in processing of noise-corrupted speech. In CD. Proc. of Nordic Signal Processing Symposium (NORSIG2006), Reykjavik, Iceland, June 7-9, 2006.
  • Tom Bäckström, Paavo Alku: Harmonic all-pole modelling for glottal inverse filtering. In CD Proc. of Nordic Signal Processing Symposium (NORSIG2006), Reykjavik, Iceland, June 7-9, 2006.
  • Laura Lehto, Erkki Vilkman, Paavo Alku: Voice Ergonomics in Call-Centre Customer Service Advisors: Effects of a Short Vocal Training Course, In Proceedings of the 38th Annual Meeting of the Nordic Ergonomics Society, pp.227-230, Hämeenlinna, Finland, Sept. 24-27, 2006.
  • Hannu Pulakka, Laura Laaksonen, Paavo Alku: Quality Improvement of Telephone Speech by Artificial Bandwidth Expansion – Listening Tests in Three Languages. In CD Proc. of Int. Conference on Spoken Language Processing, pp. 1419-1422, Pittsburgh, USA, Sept. 17-21, 2006.
  • Matti Airas, Paavo Alku: Comparison of Multiple Voice Source Parameters in Different Phonation Types. In CD Proc. of Interspeech, Aug. 27-31, Antwerp, Belgium, 2007.
  • Carlo Magi, Tom Bäckström, Paavo Alku: Stabilised Weighted Linear Prediction – A Robust All-Pole Method for Speech Processing. In CD Proc. of Interspeech, Aug. 27-31, Antwerp, Belgium, 2007.
  • Hannu Pulakka, Paavo Alku, Laura Laaksonen, Päivi Valve: The Effect of Highband Harmonic Structure in the Artificial Bandwidth Expansion of Telephone Speech. In CD Proc. of Interspeech, Aug. 27-31, Antwerp, Belgium, 2007.
  • Matti Airas, Paavo Alku, Martti Vainio: Laryngeal voice quality changes in expression of prominence in continuous speech. Proc. 5th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications (MAVEBA’07), pp. 135-138, Dec. 13-15, Firenze, Italy.
  • Laura Matilainen, Sanna Talvitie, Paavo Alku, Anna-Mari Mäkelä, Ville Mäkinen, Patrick May, Eero Pekkonen, Hannu Tiitinen: The cortical processing of rising-   intensity tonal and speech stimuli in young adults: Effects of spectral complexity. International Congress Series 1300, pp. 49-52, 2007.
  • Hannu Tiitinen, Laura Matilainen, Sanna Talvitie, Paavo Alku, Anna-Mari Mäkelä, Ville Mäkinen, Eero Pekkonen, Patrick May: The effects of aging on the processing of rising-intensity tonal and speech stimuli. International Congress Series 1300, pp. 85-88, 2007.
  • Sanna Talvitie, Laura Matilainen, Eero Pekkonen, Paavo Alku, Anna-Mari Mäkelä, Ville Mäkinen, Patrick May, Hannu Tiitinen: The effects of cortical stroke on the processing of spectrally impoverished and enriched auditory stimuli. International Congress Series 1300, pp. 721-724, 2007.
  • Jouni Pohjalainen, Carlo Magi, Paavo Alku: Enhancing noise robustness in automatic speech recognition using stabilized weighted linear prediction (SWLP). In the CD Proceedings of ISCA Tutorial and Research Workshop (ITRW) on "Speech Analysis and Processing for Knowledge Discovery", Aalborg, Denmark, June 4-6, 2008.
  • Tuomo Raitio, Antti Suni, Hannu Pulakka, Martti Vainio, Paavo Alku: HMM-Based Finnish Text-to-Speech System Utilizing Glottal Inverse Filtering. In CD Proc. of the Interspeech 2008, Brisbane, Australia, September 22-26, 2008.
  • Paavo Alku, Carlo Magi, Tom Bäckström: DC-constrained linear prediction for glottal inverse filtering. In CD Proc. of the Interspeech 2008, Brisbane, Australia, September 22-26, 2008.
  • Tomi Kinnunen, Paavo Alku: On separating glottal source and vocal tract information in telephony speaker verification. In CD Proc. of the IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP’09), Taipei, Taiwan, April 19-14, 2009.
  • Heikki Kallasjoki, Kalle J. Palomäki, Carlo Magi, Paavo Alku, Mikko Kurimo: Noise Robust LVCSR Feature Extraction Based on Stabilized Weighted Linear Prediction. International Conference on Speech and Computer (SPECOM'2009), St. Petersburg, Russia, June 21-25, 2009.
  • Jouni Pohjalainen, Heikki Kallasjoki, Kalle J. Palomäki, Mikko Kurimo, Paavo Alku: Weighted Linear Prediction for Speech Analysis in Noisy Conditions. In CD Proc. of the Interspeech 2009, Brighton, UK, 6-10 Sept. 2009.
  • Martti Vainio, Antti Suni, Tuomo Raitio, Jani Nurminen, Juhani Järvikivi, Paavo Alku: New Method for Delexicalization and its Application to Prosodic Tagging for Text-to-Speech Synthesis. In CD Proc. of the Interspeech 2009, Brighton, UK, 6-10 Sept. 2009.
  • Atte Aalto, Paavo Alku, Jarmo Malinen: A LF-pulse from a simple glottal flow model. In CD Proceedings of the 6th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications (MAVEBA’09), Firenze, Italy, December 14 - 16, 2009.

 

IV             Other publications:

  • Paavo Alku: APC-kooderi I, Research report, Helsinki University of Technology, Communications Laboratory, 31.10.1985, 31 pages.
  • Paavo Alku: Numeronopeudella 16 kbit/s toimiva mukautuva ja ennustava puheenkoodausjärjestelmä, Master's thesis, Helsinki University of Technology, 21.2.1986, 75 pages.
  • Paavo Alku: APC-kooderi II & III, Research report, Helsinki University of Technology, Communications Laboratory, 27.10.1986, 34 + 114 pages.
  • Paavo Alku: Digitaalisen suodatuksen ja lineaarisen ennustuksen toteuttaminen QuickSig-signaalinkäsittelyohjelmistoon, Research report, Helsinki University of Technology, Communications Laboratory, 15.7.1987, 24 + 18 pages.
  • Paavo Alku: Lineaarinen ennustus puheenkäsittelyn menetelmänä, Licentiate Thesis, Helsinki University of Technology, 17.2.1988, 110 pages.
  • Unto Laine, Paavo Alku: Glottispulssianalyysi automaattisella käänteissuodatuksella, Fonetiikan päivät 1988, Otaniemi, pp. 107-125.
  • Paavo Alku, Erkki Vilkman, Unto Laine: EGG- ja AIF-menetelmän vertailu glottispulssianalyysissä, kun ääntö liukuu vuotoisesta normaaliin, Fonetiikan päivät-90, pp. 13-22, Oulu, 1990.
  • Paavo Alku, Seppo Valli: Puheen- ja kuvankoodaus, Prosessori, no. 10/92, ss. 40-45.
  • Paavo Alku: An automatic inverse filtering method for the analysis of glottal waveforms, Thesis for the degree of Doctor of Technology, Helsinki University of Technology, 13.3.1992.
  • Paavo Alku: Automaattinen käänteissuodatusmenetelmä glottisherätteen analysoimiseen, Finnish Journal of Logopedics and Phoniatrics, No. 2/92, pp. 3-13.
  • Eeva Pekkarinen, Paavo Alku, Eija-Riitta Lauri, Esko Nykyri, Marketta Sihvo, Petri Toivonen, Erkki Vilkman: Puhe- ja ääniammattien työympäristön kuormitustekijöiden yksittäis- ja yhteisvaikutukset äänentuottoon. Report 91010, Finnish Institute of Occupational Health, 1993.
  • Paavo Alku, Erkki Vilkman: Kaistaleveyden vaikutus glottisherätteen käänteissuodatuksessa, XVIII Fonetiikan päivät, Tampere, 2-3.9.1994, Tampereen yliopiston suomen kielen ja yleisen kielitieteen laitoksen julkaisuja 18, toim. Michael L. O'Dell, pp. 45-54.
  • Paavo Alku: Käänteissuodatus ja glottis-herätteen parametrointi. Äänen tutkimus ja äänihäiriöiden ennaltaehkäisy. Suomen Logopedis-foniatrisen yhdistyksen julkaisu 31, pp. 20-28, 1999.
  • Paavo Alku: Puolisynteettisten ääniärsykkeiden tuotto aivotutkimukseen. Akustiikkapäivät, Tampere, 4-5.10.1999, pp. 99-104, 1999.
  • Tom Bäckström, Paavo Alku: Viivaspektripareihin perustuva stabiili AR-menetelmä puheen spektrimallinnukseen. Fonetiikanpäivät, Espoo, 30-31.8.2002, pp. 67-73. 2002.
  • Johan Sundberg, Margareta Thalen, Paavo Alku, Erkki Vilkman: Measuring perceived phonatory pressedness in singing from flow glottograms, KTH Quarterly Report, (TMH-QPSR), Vol. 43, pp. 89-96, 2002.
  • Paavo Alku: Puheen tuottamisen kuvaaminen parametroimalla käänteissuodatuksella estimoitu glottisheräte. Puhe ja Kieli, Vol. 14, No. 1, pp. 5-16, 2004.
  • Hannu Pulakka, Paavo Alku, Svante Granqvist, Stellan Hertegård, Hans Larsson, Anne-Maria Laukkanen, Per-Åke Lindestad, Erkki Vilkman: Äänilähteen analysointia eri ääntötavoissa: Äänilähteen suurnopeuskuvauksen ja käänteissuodatetun glottisherätteen vertailua. Fonetiikan päivät 2004, pp. 36-39, 2004.
  • Matti Airas, Paavo Alku: Emootioiden vaikutus äänilähteeseen lyhyissä vokaalisegmenteissä NAQ-parametrin kuvaamana. Fonetiikan päivät 2004, pp. 40-43, 2004.
  • Sari Nenonen, Anna Shestakova, Paavo Alku, Minna Huotilainen: Foneemiraja-efekti suomen kielen kvantiteettikategorioiden välillä. Fonetiikan päivät 2004, pp. 17-22, 2004.
  • Paavo Alku: Voice production research at the Acoustics Laboratory of the Helsinki University of Technology, Festive seminar of the Department of Speech Communication and Voice Research at the University of Tampere 4.11.2004, pp. 66-72, 2005, University of Tampere, Dept. of Speech Communication and Voice Research, Report 3/2005.
  • Elina Pihko, Annika Mickos, Teija Kujala, Martin Westman, Paavo Alku, Annika Pihlgren, Roger Byring, Marit Korkman: Ryhmäkuntoutus vahvistaa kielihäiriöisten lasten aivovasteita, Duodecim 2006, Vol. 122, ss. 1421-1422.

HUT Acoustics Logo

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This URL: http://www.acoustics.hut.fi/~paavo/
Last modified: 20.05.1999
Author: <paavo.alku@hut.fi>