Publications

The group are active in a number of research areas by the group, broadly speaking they could be categorised as:

 

  1. Binaural Audio Systems
  2. Computer music languages and real-time audio effects
  3. Digital audio watermarking
  4. Sound synthesis Algorithms
  5. Strategies for music technology education
  6. Time-frequency techniques for the analysis of audio signals
  7. Analysis of speech sounds and waveforms

The publications of the group are given by type and by year below. This includes books, journal and conference papers, anad postgraduate theses. Many of our publications are available for download through the ePrints portal on the NUIM library website: http://eprints.nuim.ie/

Books

Boulanger, R  and Lazzarini, V.(eds.): The Audio Programming Book, Cambridge, Mass.: MIT Press, 2010.

 

Journal Papers

J. Glover, V. Lazzarini, and J. Timoney, ‘Real-Time Detection of Musical Onsets with Linear Prediction and Sinusoidal Modeling,’ EURASIP Journal on Advances in Signal Processing, vol. 2011, doi:10.1186/1687-6180-2011-68.

J. Pekonen, V. Lazzarini, J. Timoney, J. Kleimola, and V. Valimaki, ‘Discrete-Time Modeling of the Moog Sawtooth Waveform’, EURASIP Journal on Advances in Signal Processing, vol. 2011, doi:10.1155/2011/785103.

J. Kleimola, V. Lazzarini, J. Timoney, and V. Valimaki, ‘Feedback Amplitude Modulation Synthesis’, EURASIP Journal on Advances in Signal Processing, vol. 2011, Article ID 434378, 18 pages, 2011. doi:10.1155/2011/434378.

J. Pakarinen, V. Valimaki, F. Fontana, V. Lazzarini, and J. Abel,  'Recent Advances in Real-Time Musical Effects, Synthesis, and Virtual Analog Models,' EURASIP Journal on Advances in Signal Processing, vol. 2011, Article ID 940784, 15 pages, 2011. doi:10.1155/2011/940784.

R. Villing, B.H. Repp, T. Ward, Tomas and J. Timoney, 'Measuring perceptual centers using the phase correction response,' Attention, Perception, and Psychophysics, 73, 2011, pp. 1614-1629.

J. Wang, R. Healy and J. Timoney, ‘A robust audio watermarking scheme based on Reduced singular Value Decomposition and distortion removal,‘ Signal Processing, 91(8), pp. 1693-1708, August 2011.

V. Lazzarini, J. Timoney, and T. Lysaght, ‘Theory and Practice of Modified Frequency Modulation Synthesis’. Journal of the Audio Engineering Society, 58(6), pp 459-471, June 2010.

V. Lazzarini, and J. Timoney, ‘New perspectives on distortion synthesis for virtual analog oscillators’, Computer Music Journal, 34(1), MIT Press, Cambridge, Mass., Spring 2010.

V. Lazzarini, J. Timoney, and T. Lysaght, ‘Non-Linear Distortion Synthesis using the Split Sideband Method, with Applications to Adaptive Signal Processing’. Journal of the Audio Engineering Society, 56(9), pp 684-695, Sept. 2008.

V. Lazzarini, T. Lysaght and J. Timoney, ‘The generation of natural-synthetic spectra by means of Adaptive Frequency modulation’, invited for publication in the Computer Music Journal, 32(2), MIT Press, Cambridge, Mass., Summer 2008.

 

Conference Papers

2012

V. Lazzarini, and J. Timoney, ‘Synthesis of Resonant Sounds with a Heterodyne Model’. Proc. of the 15th Int. Conference on Digital Audio Effects (DAFx-12), University of York, UK, September 2012.

John Glover, Victor Lazzarini, Joseph Timoney, ‘Metamorph: Real-Time High-Level Sound Transformations Based On A Sinusoids Plus Noise Plus Transients Model’, Digital Audio Effects (DAFx-12), University of York, UK, September 2012.

V. Lazzarini, S. Yi, and J. Timoney, ‘Digital Audio Effects on Mobile Platforms’, Digital Audio Effects (DAFx), University of York, UK, September 2012.

J. Timoney, V. Lazzarini, J. Kleimola, J. Pekonen, and V. Valimaki, ‘Virtual Analog Oscillator Hard Synchronisation: Fourier series and an efficient implementation’, Digital Audio Effects (DAFx-12), University of York, UK, September 2012.

T. Lysaght, J. Timoney, and V. Lazzarini, ‘Automatic Partial Extraction from the Modal Distribution’. Digital Audio Effects (DAFx-12), University of York, UK, September 2012.

S. Yi, V. Lazzarini, J. Timoney, D. Keller and M. Pimenta, ‘The mobile Csound platform’,’ Proceedings of the International Computer Music Conference ICMC 2012, Ljubljana, Slovenia, Sept. 2012.

J. Timoney , T. Ó Póil, T. Lysaght, V. Lazzarini and R. Voigt. ‘Analysis tools and Results for a Subtractive Synthesis Modelling of the Irish Uilleann Pipes’, Irish Sound Science and Technology Conference (ISSTC) 2012, Cork, Ireland, August 2012.

J. Timoney, R. Voigt, S. Brown, and V. Lazzarini, V., ‘An Architecture for the Java VST Wrapper that supports the Implementation of Digital Sound Synthesis Algorithms in an Educational Environment’, Irish Signals and Systems Conference 2012, Maynooth, Ireland, June 2012.

J. Glover, V. Lazzarini, and J. Timoney, ‘Real-Time Segmentation of the Temporal Evolution of Musical Sounds’, Acoustics 2012 Hong Kong, May 2012.

J. Timoney, and V. Lazzarini, V., ‘A Homomorphic Interpretation of the Complex Fm Expansion’, Proceedings of the 45th Audio Engineering Society Conference, Helsinki, Finland, AES Preprint, paper 66, February 2012.

 

2011

J. Timoney, and V. Lazzarini, ‘Exponential Frequency Modulation Bandwidth Criterion for Virtual Analog Applications’, Digital Audio Effects (DAFx) 2011, Paris, September 2011.

V. Lazzarini, J. Kleimola, J. Timoney, and V. Valimaki, ‘Vector Phase Shaping Synthesis’, Digital Audio Effects (DAFx) 2011, Paris, September 2011.

J. Timoney, and V. Lazzarini, ‘Exponential Frequency Modulation Bandwidth Criterion for Virtual Analog Applications’, Digital Audio Effects (DAFx) 2011, Paris, September 2011.

J. Timoney, V. Lazzarini, T. Lysaght, J. Kleimola and L. MacManus, ‘Considerations for a Computational Estimation of the Complex FM Spectrum’, Irish Sound Science and Technology Conference (ISSTC) 2011, Limerick, Ireland, August 2011.

V. Lazzarini, and J. Timoney, ‘The ModFM Vocoder’, Proceedings of the International Computer Music Conference ICMC 2011, Huddersfield, UK., July 2011.

V.  Lazzarini, J. Kleimola, J. Timoney, and V. Valimaki, ‘Aspects of second-order Feedback Amplitude Modulation synthesis’, Proceedings of the International Computer Music Conference ICMC 2011, Huddersfield, UK., July 2011.

J. Timoney, and V. Lazzarini, ‘An analysis of saturation non-linearities for virtual analog models of filters’, Forum Acusticum, Aalborg, Denmark, June 2011.

J. Glover, V. Lazzarini and J. Timoney, ‘Python for audio signal processing’, Linux Audio Conference (LAC2011, Maynooth, Ireland May 2011.

 

2010

J. Wang, R. Healy and J. Timoney, ‘An Improved Audio Watermarking Scheme Based on Complex Spectral Phase Evolution Spectrum,’ AES Convention 129, San Francisco, USA, November 2010.

J. Wang, R. Healy and J. Timoney, ‘A Novel Audio Watermarking Algorithm Based on Reduced Singular Value Decomposition’, Proc. 6th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, Darmstadt, Germany, October 2010.

M. Hodgkinson, J. Timoney and V. Lazzarini, ‘A Model of Partial Tracks for Tension-Modulated Steel-String Guitar Tones,’ Digital Audio Effects (DAFX) 2010, Graz, Austria, September 2010.

J. Timoney, V. Lazzarini, Anthony Gibney, and J. Pekonen, ‘Digital Emulation of Distortion Effects by Wave and Phase Shaping Methods,’ Digital Audio Effects (DAFX) 2010, Graz, Austria, September 2010.

J. Kleimola, V. Lazzarini, J. Timoney and V. Valimaki, ‘Phaseshaping oscillator algorithms for musical sound synthesis,’ Proc. Sound and Music computing 2010, Barcelona, Spain, July 2010.

J. Wang, R. Healy and J. Timoney, ‘Perceptually Transparent Audio Watermarking of Real Audio Signals Based On The CSPE Algorithm’, ISSC 2010, UCC, Cork, June 2010.

V. Lazzarini, and J. Timoney, 'New Perspectives on Distortion Synthesis for VA Oscillators and Resonance Emulation,' Irish Audio Workshop, NUI Maynooth, Co. Kildare, Ireland, Jan. 2010.
 

2009

V. Lazzarini, and J. Timoney, ‘New methods of formant analysis-synthesis for musical applications;’ Proceedings of the International Computer Music Conference ICMC 2009, Montreal, Canada, 2009.

V. Lazzarini, J. Timoney, J. Kleimola and V. Valimaki, ‘Five variations on a feedback theme,’ Digital Audio Effects (DAFX) 2009, Como, Italy, September 2009.

V. Lazzarini, J. Timoney, J. Pekonen and V. Valimaki, ‘Adaptive phase distortion synthesis,’ Digital Audio Effects (DAFX) 2009, Como, Italy, September 2009.

J. Glover, V. Lazzarini, and J. Timoney, ‘SIMPL: A python library for sinusoidal modeling,’ Digital Audio Effects (DAFX) 2009, Como, Italy, September 2009.

M. Hodgkinson, J. Wang, J. Timoney and V. Lazzarini, ‘Handling inharmonic series with median-adjustive trajectories,’ Digital Audio Effects (DAFX) 2009, Como, Italy, September 2009.

J. Timoney, T. Lysaght, V. Lazzarini and R. Gao, ‘Computing modified Bessel functions with large modulation index for sound synthesis applications,’ Proc. of China-Ireland Information and Communications Technologies Conference 2009, NUI Maynooth, Maynooth, Ireland, 19th-21st Aug. 2009.

J. Wang, R. Healy, and J. Timoney, ‘Digital Audio Watermarking by Magnitude Modification of Frequency Components Using the CSPE Algorithm’. Proceedings of the China-Ireland International Conference on Information and Communications Technologies 2009, NUI Maynooth, Ireland, 19th-21st Aug.  2009.

J. Wang, J. Timoney and M. Hodgkinson, ‘Using Apodization to improve the performance of the Complex Spectral Phase Estimation (CSPE) Algorithm’. Proceedings of the China-Ireland International Conference on Information and Communications Technologies 2009, NUI Maynooth, Ireland, 19th-21st Aug.  2009.

R. Healy, and J. Timoney, ‘Limitations in the Distribution of Public Performance Royalties in Ireland’. Conference on Intellectual Property, Iona College, New Rochelle, USA, June 12th-13th 2009.

R. Healy, and J. Timoney, ‘Digital Audio Watermarking with Semi-Blind Detection for In-Car Music content Identification’, Proceedings of the AES 36th International Conference: Automotive Audio—Sound in Motion, Dearborn, Michigan, USA, June 2009.

J. Timoney, V. Lazzarini, B. Carty and J. Pekonen, ‘Phase and amplitude distortion methods for digital synthesis of classic analog waveforms,’ AES Convention 126, Munich, Germany, May 2009, pp. 293-296.

J. Timoney, V. Lazzarini, J. Pekonen and V. Valimaki, ‘Spectrally rich phase distortion sound synthesis using an allpass filter,’ Proc. of IEEE ICASSP 2009, Tapei, Taiwan, April 2009, pp. 293-296.

R. Healy, and J. Timoney, ‘300 years of copyright: have we gone full circle? On the use of technology to address limitations in distributing public performance broadcast royalties’, Socio-Legal studies Association Annual Conference, UK, April 2009.

 

2008

V. Lazzarini, J. Timoney and T. Lysaght, ‘Asymmetric methods for Adaptive FM synthesis,’ Digital Audio Effects (DAFX) 2008, Espoo, Finland, September 2008.

V. Lazzarini, J. Timoney and T. Lysaght, ‘A Modified FM synthesis approach to bandlimited signal generation,’ Digital Audio Effects (DAFX) 2008, Espoo, Finland, September 2008.

V. Lazzarini, J. Timoney, and T. Lysaght, ‘Split-Sideband Synthesis;’ Proceedings of the International Computer Music Conference ICMC 2008, Sonic Arts Research Centre, Belfast, UK, 2008, pp.34-38.

J. Timoney, S. Brown and D. Ye, ‘Experiences in Software Testing Education: Some Observations from an International Cooperation’, International Workshop on Computer System Education and Innovation (IWCSEI) 2008, ZhangJiaJie, China, November 2008.

 

2007

T. Lysaght, J. Timoney and V. Lazzarini, ‘Modal distribution synthesis from sub-sampled autocorrelation function,’ Digital Audio Effects (DAFX) 2007, Bordeaux, France, September 2007.

V. Lazzarini, J. Timoney and T. Lysaght, ‘Spectral signal processing in CSound5,’ Digital Audio Effects (DAFX) 2007, Bordeaux, France, September 2007.

V. Lazzarini, J. Timoney and T. Lysaght, ‘Adaptive FM synthesis,’ Digital Audio Effects (DAFX) 2007, Bordeaux, France, September 2007.

 

2006

V. Lazzarini, J. Timoney, T. Lysaght, “' Streaming Frequency-Domain DAFx in Csound5,” Digital Audio Effects (DAFX) 2006, Montreal, Canada, September 2006.


R. Villing, T. Ward, and J. Timoney, 'Performance Limits for Envelope based Automatic Syllable Segmentation,' Irish Signals and Systems Conference 2006, Dublin, Ireland, June 2006.

 

2005

J. Timoney, L. MacManus, T. Lysaght and V. Lazzarini, “Comparing synthetic and real templates for warping algorithms to locate partial envelope features,” Digital Audio Effects (DAFX) 2005, Madrid, Spain, September 2005.

J. Timoney, L. MacManus, T. Lysaght and V. Lazzarini, “Alternative Analysis Synthesis Approaches for Time-Scale, Frequency and Other Transformations of Musical Signals,” Digital Audio Effects (DAFX) 2005, Madrid, Spain, September 2005.

J. Timoney, L. MacManus, T. Lysaght and V. Lazzarini, “An evaluation of warping techniques applied to partial envelope analysis,” International Computer Music Conference (ICMC) 2005, Barcelona, Spain, September 2005.

V. Lazzarini, T. Lysaght and J. Timoney, “A Streaming Object Oriented Implementation of the Modal Distribution,” International Computer Music Conference (ICMC) 2005, Barcelona, Spain, September 2005.

V. Lazzarini, J. Timoney, and T. Lysaght, 'Time-stretching using the instantaneous frequency distribution and partial tracking,' International Computer Music Conference (ICMC) 2005, Barcelona, Spain, Sept. 2005.

J. Timoney, T. Lysaght, V. Lazzarini and R. Gao, “A Reinvestigation of the Extended Kalman Filter applied to Formant Tracking,” Electronic Circuits and Systems Conference 2005, Bratislava, Slovakia, September 2005.

J. Timoney, T. Lysaght, V. Lazzarini and L. MacManus, “Partial Envelope Analysis with Nonnegative Matrix Factorization,” Electronic Circuits and Systems Conference 2005, Bratislava, Slovakia, September 2005.

J. Timoney, R. Villing, and T. Ward, 'Locating Discontinuities in Synthetic Speech using a Perceptually Orientated Approach,' Irish Signals and Systems Conference 2005, DCU, Dublin, Ireland, September 2005.

 

2004

J. Timoney, L. MacManus, T. Lysaght and A. Schwarzbacher, “Dynamic Time Warping for Tin Whistle Partial Envelope Analysis” Irish Signals and Systems Conference 2004, Queen’s University, Belfast, UK, June-July 2004.

R. Villing, J. Timoney, and T. Ward, 'Automatic Blind Syllable Segmentation for Continuous Speech,' Irish Signals and Systems Conference 2004, Queens University, Belfast, UK, June-July 2004.

J. Timoney, L. MacManus, T. Lysaght and M. Schoenwiesner, “Implementing loudness models in Matlab,” Digital Audio Effects (DAFX) 2004, Naples, Italy, September 2004.

J. Timoney, L. MacManus, and T. Lysaght, “Timbral attributes for objective quality assessment of the Irish tin whistle,” Digital Audio Effects (DAFX) 2004, Naples, Italy, September 2004.

 

Postgraduate Theses

The group has successfully graduated four Doctoral students and currently are supervising over five others. The thesis topics of the graduated students were:

 

Brian Carty, Movements in Binaural Space: Issues in HRTF Interpolation and Reverberation, with applications to Computer Music, 2010.

Jian Wang, New Digital Audio Watermarking Algorithms for Copyright Protection, 2011.

Matthieu Hodgkinson, Physically Informed Subtraction of a String's Resonances from Monophonic, Discretely Attacked Tones: a Phase Vocoder Approach, 2012.

John Glover, Sinusoids, noise and transients: spectral analysis, feature detection and real-time transformations of audio signals for musical applications, 2013.

 

Last Modified: Tue, 02/04/2013 - 11:39