Biography
Selected publications (with links), full list of publications (pdf)

Research Interests

Sound Synthesis by Physical Modeling

• Review paper (78 pages) about physical modeling techniques published in Reports on Progress in Physics
• Guitar synthesis: sound examples, paper published in Computer Music Journal
• Harpsichord synthesis: sound examples, paper published in EURASIP J. Applied Signal Processing
• Clavichord synthesis: sound examples, paper published in Computer Music Journal
• Kantele synthesis: sound examples, paper published in J. Acoustical Society of America
• Guqin synthesis: sound examples, paper published in J. Acoustical Society of America
• Piano synthesis
• Virtual analog synthesis
• Virtual slide guitar: paper published in Computer Music Journal and video
Digital Filter Design

• Tools for Fractional Delay Filter Design
• A tutorial paper on fractional delay filters (presented at ICASSP'00, Istanbul, June 2000)
• Truncated Thiran fractional delay filters (presented at the EUSIPCO 2000 conference, Tampere, Finland, Sept. 2000)
• Truncated Lagrange fractional delay filters (published in IEEE Signal Processing Letters in Nov. 2007)

Teaching

S-89.3540 Audio Signal Processing (every spring since 2001 except 2009)
S-89.3580 Audio Signal Processing Seminar and S-89.4820 Postgraduate Course in Audio Signal Processing (fall, periods I-II)
• In fall 2010, the topic of the seminar is Virtual Analog Audio Processing.
• Previous seminar topics: digital filters in audio processing (2009), sonic interaction design (organized by Dr. Cumhur Erkut in 2008), signal processing for sound synthesis (2007), sound analysis (2006), mobile audio (2005), model-based sound synthesis (2004), audio restoration (2003), sound synthesis (2002).
S-89-2300 Sound and Voice Technology/Ääniteknologian perusteet (fall 2010, period I)
S-89.3470 Noise Control, a lecture on active noise control (fall 2006-2007)
Digital audio, Tampere Univ. of Tech. Pori Unit (Pori, Finland, Fall 2001-2006)
Sound processing, Master's Programme in Music, Mind, and Technology at the University of Jyväskylä, lectures on musical signal processing (Jyväskylä, Finland, Jan. 2006, Feb. 2008, Jan. 2010)
International Advanced Course on Musical Acoustics, lectures on sound synthesis (Bologna, Italy, July 2005)

Previous Doctoral Students

Cumhur Erkut, Nov. 2002: String instrument synthesis
Paulo A. A. Esquef, Apr. 2004: Audio restoration
Henri Penttinen, Oct. 2006: String instrument acoustics and signal processing
Antti Kelloniemi, Nov. 2006: Digital waveguide mesh
Jukka Rauhala, Dec. 2007: Piano synthesis
Jyri Pakarinen, Mar. 2008: Guitar synthesis
Heidi-Maria Lehtonen, Dec. 2010: Sound of the piano
Antti Jylhä, Apr. 2012: Sonic interaction design

Links

Special issue on virtual analog audio effects and musical instruments in IEEE Transactions on Audio, Speech and Language Processing (May 2010 issue).
DAFx-08: the 11th International Conference on Digital Audio Effects (September 1-4, 2008, Espoo, Finland)
Special issue on signal processing for sound synthesis in IEEE Signal Processing Magazine (March 2007). Guest editors: V. Välimäki, R. Rabenstein, D. Rocchesso, X. Serra, and J.O. Smith.
Special issue on model-based sound synthesis in EURASIP Journal on Applied Signal Processing (July 2004). Guest editors: V. Välimäki, A. Sarti, M. Karjalainen, R. Rabenstein, and L. Savioja.
SAME, Sound and Music for Everyone Everyday Everywhere Every Way, European FP7 STREP Project
Perceptually Optimized Sound Synthesis (POpSS), Academy of Finland project no. 122815, Jan. 2008 - Dec. 2011
SID, COST Action IC0601: Sonic Interaction Design, March 2007 - June 2011
Library committee (kirjastotoimikunta in Finnish) of the Faculty of Electronics, Communications and Automation.
KaPs, Psychoacoustics of Rock Drilling, a project funded partially by the Finnish Work Environment Fund, Jan.-Dec. 2008
S2S^2 (Sound to Sense, Sense to Sound), a European FP6 FET-Open Coordination Action IST-2004-03773

• Research roadmap for sound and music technology
A portal for sound and music computing
List of journals related to audio signal processing
Audiosignaalinkäsittelyn englanti-suomisanasto (about 50% in Finnish)
Tiedekeskus Heurekan Musiikki-näyttely (in Finnish)
• TKK:n akustiikan ja äänenkäsittelytekniikan laboratorio osallistui useiden näyttelykohteiden suunnitteluun, ks. tiedote (in Finnish)
My doctoral dissertation on digital waveguide modeling of acoustic tubes
Special session on Physical Models and Virtual Musical Instruments (Session MUS-05) at the International Congress on Acoustics ICA2007 (Madrid, Spain, Sept. 2-7, 2007)
Special session on Model-Based Sound Synthesis (topic 13.14) at EUSIPCO 2005 (Antalya, Turkey, Sept. 5-8, 2005)
ALMA (Algorithms for the Modelling of Acoustic Interactions), European project IST-2001-33059, 2001-2004
ConGAS, COST Action on Gesture Controlled Audio Systems, COST-287, 2003-2007

• Virtual air guitar
Finnish Musicological Society
• Virtuaalista nostalgiaa (in Finnish)
In 2006 I made an initiative to start publishing MSc theses on-line at Helsinki University of Technology (TKK). This process is continued in the Aalto University.
Recent publications in acoustics, audio, and speech by researchers of the Department of Signal Processing and Acoustics: year 2010