William Martens

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Dr
William Martens
Associate Professor, Audio and Acoustics
Room 477, G04 'Wilkinson Building', 148 City Road, The University of Sydney, NSW 2006
+61 2 9351 0865

William Martens


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Research Areas | Units and Programs | Academic Qualifications | Professional Experience | Memberships and Associations | Biography | Publications and Outputs | Postgraduate Supervision

Research Areas:

  • Applied psychoacoustics
  • Auditory display
  • Influence of room acoustics on reproduced sound
  • Musical acoustics and musical timbre perception
  • Sound quality engineering
  • Spatial hearing
  • Spatial sound processing
  • Subjective evaluation of audio signals and systems

Units and Programs

Academic Qualifications

  • BA(Hons) | Psychology, Miami.
  • Phd | Northwestern University

Professional Experience

  • 2011 | Associate Dean for Graduate Research Studies, Sydney School of Architecture, Design and Planning, University of Sydney.
  • 2009 | Associate Professor in Architectural Science, Sydney School of Architecture, Design and Planning, University of Sydney.
  • 2003 | Associate Professor, Sound Recording Chair, Schulich School of Music, McGill University, Montreal, Quebec, Canada.

Memberships and Associations

  • Member | Audio Engineering Society
  • Member | Acoustical Society of America
  • Member | IEEE Computer Society

Publications and Outputs

Book Chapters | Journal Articles | Conference Presentations and Publications | Architectural and Design | Public Lectures and Presentations


Book Chapters

2012 | Miranda Jofre, LM, Martens, W L, Acoustic Investigations for the Suspended Theatre Landscape Project at Turbine Hall: A Case Study, Youtopia. A Passion for the the Dark: Architecture at the Intersection of Digital Processes and Theatrical Performance, Freerange Press, Melbourne, Australia, 1, 105-113

2011 | Cabrera, D.A., Martens, W.L., 'Sonifyng head-related transfer functions', Principles and Applications of Spatial Hearing, World Scientific Publishing, Singapore.

2011 | Martens, W.L., Cabrera, D.A., Kim, S., 'The 'Phantom Walker Illusion: Evidence for the dominance of dynamic interaural over spectral directional cues during walking', Principles and Applications of Spatial Hearing, World Scientific Publishing, Singapore.

Journal Articles

2012 | Yadav, M, Cabrera, D A, Martens, W L, A system for simulating room acoustical environments for ones own voice, Applied Acoustics, 73(4), 409-414

2012 | Lee, D, Cabrera, D A, Martens, W L 2012, The effect of loudness on the reverberance of music: Reverberance prediction using loudness models, Journal of the Acoustical Society of America, 131(2), 1194-1205

2012 | Yadav, M, Cabrera, D A, Martens, W L 2011, Auditory Room Size Perceived From A Room Acoustic Simulation With Autophonic Stimuli, Acoustics Australia, 39(3), 101-105

2011 | Cabrera, D.A., Lee, D., Collins, R.M.J., Hartmann, B., Martens, W L., Sata H, 'Variation in Oral-Binaural Room Impsule Responses for Horizontal Rotations of a Head and Torso Simulator', Building Acoustics, Vol. 18, No. 1.

2011 | Lee, D., Cabrera, D.A., Martens, W.L, 'Equal Reverberance Contours for Synthetic Room Impulse Responses Listened to Direction: Evaluation of Reverberance in Terms of Loudness Decay Parameters,' Building Acoustics, Vol. 18, No. 1.

2009 | Cabrera, D.A., Sato, H., Martens, W.L., Lee, D., 'Binaural measurement and simulation of the room acoutsitcal response from a person's mouth to their ears', Acoustics Australia, Vol. 37, No. 3.

2006 | Marui, A., and Martens, W.L., 'Predicting perceived sharpness of broadband noise from multiple moments of the specific loudness distribution', Journal of the Acoustic Society of America, Vol. 119, No. 2.

2005 | Lambacher, S., Martens, W.L., 'The effects of identification training on the identification and production of American English vowels by native speakers of Japanese', Applied Psycholinguistics, Vol. 26, No. 2.

2005 | Woszczyk, W., Cooperstock, J., Roson, J., Martens, W.L., 'Shake, Rattle and Roll: Getting Immersed in Multisensory, Interactive Music via Broadband Networks', Journal of Audio Engineering Society, Vol. 53, No. 4.

2003 | Martens, W.L., 'Perceptual Evaluation of Filters Controlling Source Direction: Customised and Generalised HRTFs for Binaural Synthesis', [[i||Acoustical Science and Technology], Vol. 24, No. 5.

2001 | Martens, W.L., Cohen, M., 'Virtual Acoustic Research at the University of Aizu', Journal of the Virtual Reality Society of Japan, Vol. 6, No. 3.

2001 | Martens, W.L., 'Display of nearby virtual sound sources outside the user's field of view: the dark voice channel', Journal of the 3D-Forum Society of Japan, Vol. 15, No. 4.

2001 | Marui, A., Martens, W.L.,, Miyashita, K., 'Multidimensional Perceptual Scaling of Tone Color Variation in Three Modeled Guitar Amplifiers I: Deriving Stimulus Space Using INDSCAL', Journal of Shanghai University (English Edition), Vol. 5.

2001 | Martens, W.L, Marui, A., Miyashita, K, 'Multidimensional Perceptual Scaling of tone Color Variation in Three Modeled Guitar Amplifiers II: Interpreting Stimulus Space via Adjective Rating', Journal of Shanghai University (English Edition), Vol. 5.

2000 | Martens, W.L., & Yoshida, A., 'Augmenting Spoken Telecommunication via Spatial Audio Transformation', Journal of the 3D Forum Society of Japan, Vol. 14 (4).

2000 | Hiyashi, T., & Martens, W.L., 'The synthesis of low-peak orthogonal-base-set sequences using trigonometric function aliasing.', IEICE Transactions Fundamentals, E83-A.

1999 | Cohen, M, Herder, J, & Martens, W.L., 'Cyberspatial Audio Technology ', Journal of the Acoustical Society of Japan, Vol. 20, No. 6.

1999 | Hayashi, T., & Martens, W.L., 'The synthesis of low-peak cross-correlation sequences using trigonometric function aliasing', IEICE Transactions Fundamentals, Vol. 83, No. 8.

1998 | Duda, R.O., & Martens, W.L., 'Range dependence of the response of a spherical head model', Journal of the Acoustical Society of America, Vol. 104, No. 5.

1998 | Amano, K, Matsushita, F., Yangawa, H., Cohen, M., Herder, J, Martens W.L., Koba, Y, and Tohyama, M, 'A virtual reality sound system using room-related transfer functions delivered through a multi-speaker array: The PSFC at the University of Aizu Multimedia Centre', TVRSJ, Vol. 3, No. 1.

1996 | Martens, W.L, 'The beginning of consumer virtual reality? A report on the 1996 Computer Game Developers Conference', International Journal of Virtual Reality, Vol. 2, No. 2.

1995 | Martens, W.L., 'Spatial Sound at SIGGRAPH: It is 3D?', CyberEdge Journal, Vol. 29. Sept/October.

1995 | Sandell, G.J., & Martens, W.L., 'Perceptual evaluation of principal-component-based synthesis of musical timbres', Journal of the Acoustical Engineers Society, Vol. 43, No. 12.

1994 | Martens, W.L., '3D Audio at SIGGRAPH?', CyberEdge Journal, Vol. 22. July/August.

1981 | Martens, W, Blake, R., Sloane, M.E., & Cormack, R., 'What masks utrocular discrimination', Perception and Psychophysics, Vol. 30.

1981 | Blake, R., & Martens, W., 'Critical bands in cat spatial vision', Journal of Physiology, Vol 314.

1980 | Blake, R, Martens, W, & Di Gianfilippo, A., 'Reaction time as a measure of binocular interaction in human vision', Investigative Opthamology and Visual Science, Vol. 19.

1980 | Blake, R., Martens, W., Garrett, A., & Westendorf, D., 'Estimating probability summation for binocular reaction time data', Perception and Psychophysics, Vol. 27.

1980 | Martens, W., & Blake, R., 'Uncertainty impairs grating detection performance in the cat', Perception and Psychophysics. Vol. 27.

1980 | Parker, D.E., Martens, W.L., & Johnoson, P., 'Influence of auditory fatigue on masked speech intelligibility'. Journal of the Acoustical Society of America, Vol. 67, No. 4.

Conference presentations and publications

2005 | Lamchaer, S., Martens, W.L., Kakehi, K, 'A signal delection theory-based analysis of American English vowel identification and production performance by native speakers of Japanese', 149th Meeting, Acoustical Society of America, Acoustical Society of America, USA.

2005 | Marui, A, Martens, W.L., 'Constructing individual and group timbre spaces for shaprness-matched distorted guitar timbres', 119th Audio Engineering Society Convention 2005, Audio Engineering Society, United States.

2005 | Kim, S, Martens, W.L., Marui, A., 'Discrimination of Auditory Source Focus for Musical Instrument Sounds with Varying Low-frequency Cross Correlation in Multichannel Loudspeaker Reproduction', 119th Audio Engineering Society Convention 2005, Audio Engineering Society, United States.

2005 | Martens, W.L., Walker, K, 'Haptic-auditory distance cues in virtual environments: Exploring adjustable parameters for enhancing experience', IEEE International Workshop on Haptic Audio Visual Environments and their Applications, IEEE, Canada.

2005 | Kim, S., Martens, W.L., 'Low frequency interaural cross correlation discrimination in stereophonic reproduction of musical tones', 149th Meeting: Acoustical Society of America, Acoustical Society of America, USA.

2005 | Braasch, J, Martens, W.L., Woszczyk, W, 'Modeling auditory localisation in the low-frequency range', 149th Meeting: Acoustical Society of America, USA.

2005 | Martens, W.L., Woszczyk, W, 'Multimodal interaction in the perception of impact events displayed via a multichannel audio and simulated structure-borne vibration', Joint 1t0gh Meeting/NOISE-CON 2005, Audio Engineering Society, United States.

2005 | Marui, A., Martens, W.L., 'Predicting Timbral Variation for Sharpness-Matched Guitar Tones Resulting from Distortion-based Effects Process', 118th Audio Engineering Society Convention 2005, Audio Engineering Society, United States.

2005 | Walker, K, Martens, W.L., 'Sensitivity to intermodal asynchrony between acoustic and structural vibrations', 149th Meeting: Acoustical Society of America, Acoustical Society of America, USA.

2005 | Braasch, J, Martens, W.L., Marui, A., 'Simulating the accoustics of classical sound recording techniques in rooms', Joint 150th Meeting/NOISE-CON 2005, Acoustical Society of America, USA.

2005 | Ryan, T, Martens, W.L, Woszczyk, W., 'The effects of acoustical treatment on lateralisation of lowfrequency sources', 149th Meeting: Acoustical Society of America and Acoustical Society of Japan, Acoustical Society of America.

2006 | Olive, S., Welti, T., Martens, W.L., 'A comparison of listener loudspeaker preference ratings based on in-situ versus auralised presentations of the loudspeakers', 4th Joint Meeting of the Acoustical Society of America and Acoustical Society of Japan, Acoustical Society America.

2006 | Braasch, J, Martens, W.L., Woszczyk, W., 'Acoustic rendering of a virtual environment based on virtual microphone control and binaural room scanning', 4th Joint Meeting of the Acoustical Society of America and Acoustical Society Japan, Acoustical Society of America.

2006 | Martens, W.L., 'Deriving individualised control over music synthesis via inversion of psychophysical scaling results', 151st Meeting of the Acoustical Society of America 2006, Acoustical Society of America, United States.

2006 | Kim, S., Martens, W.L., Marui, A., 'Effects of varying ear signal incoherence in low-frequency bands on auditory source width', The 9th Western Pacific Acoustics Conference (WESPAC IX 2006).

2006 | Benson, D., & Martens, W.L., 'Evaluating the principle spectral components positinoing a virtual sound source on a cone of confusion', 151st Meeting of Acoustical Society of America, ASA 2006, Acoustical Society of America, United States.

2006 | Martens, W.L., Marui, A., Kim, S, 2006, 'Investigating contextual dependency in a pairwise preference choir task', AES 28th International Conference, Audio Engineering Society, USA.

2006 | Kim, S, De Francisco, M, Walker, K, Marui, A, Martens, W.L., 'Listener preferences in multichannel audio: Examining the influence of musical selection on surround microphone technique', 121st Audio Engineering Society Convention 2006, Audio Engineering Society, United States.

2006 | Martens, W.L., Kim, S, 'Relating listener preferences for multi-channel sound programs to salient auditory attributes and binaural stimulus measurements, 35t Noise Control Engineering International Congress and Exposition, Curran Associates, Inc., USA.

2006 | Marui, A, Martens, W.L., Kim, S., 'Subjective evaluation of headphone-based virtual accoutsitc reproduction of stereophonic loudspeaker imagery.' The 9th Western Pacfici Acoustics Conference (WESPAC IX 2006).

2006 | Martens, W.L., 'The influence of changes in diffusive acoustical treatment on spatial imagery associated with multichannel sound reproduction'. 151st Meeting of the Acoustical Society of America ASA 2006, USA.

2007 | Olive, S., Welti, T., Martens, W.L., 'Listene Loudspeaker preference ratings obtained in situ match those obtained via a binaural room scanning measurement and playback system, 122nd Audio Engineering Society Convention 2007, Audio Engineering Society, United States.

2007 | Martens, W.L., Kim S., 'Verbal elicitiation and scale construction for evaluating perceptual differences between four multichannel microphone techniques', 122nd Audio Engineering Society Convention, 2007, Audio Engineering Society, United States.

2009 | Lee, D., Cabrera, D.A., Martens, W.L., 'Equal reverbereance matching of music]], Acoustics 2009: Research to Consulting - Annual Conference of the Australian Acoustical Society, The University of Adelaide, School of Mechanical Engineering, Australia.

2009 | Spargo, D., Martens, W.L., Cabrera, D.A., 'Evaluation of Changes in Stereophonic Imagery during Progressive Optimisation of Loudspeaker Configuration in Critical Listening Rooms', Acoustics 2009: Research to Consulting - Annual Conference of the Australian Acoustical Society, The University of Adelaide, School of Mechanical Engineering, Australia.

2010 | Cabrera, D.A., Lee, D., Collins, R M J, Hartmann, B, Martens, W.L., Sato, H, 2010, 'Characterising the variation in oral-binaural room impsule responses for horizontal rotations of a head and torso simulator', International Symposium on Room Acoustics (ISRA 2010), Australian Acoustical Society, Australia.

2010 | Jo, H, Martens, W.L., Park, Y, Kim, S., 2010, 'Confirming the Perception of Virtual Source Elevation Effects created using 5.1 channel surround sound playback', 9th ACM SIGGRAPH Conference on Virtual-Reality Continuum and its Applications in Industry VRCAI 2010, ACM, New York.

2010 | Guru, A, Martens, W.L., Lee., D., 'Effects of individualised headphone correction on front/back discrimination of virtual sound sources displayed using individualised Head Related Transfer Fnctions, 40th International AES Conference, Audio Engineering Society, Tokyo,

2010 Martens, W.L., Guru, A., Lee, D., 'Effects of individualised headphone response equalisation on front-back hemifield discrimination for virtual sources displayed on the horizontal plane', [i||The 20th International Congress on Acoustics, ICA 2010]], International Commission for Acoustics, Sydney.

2010 | Kim, S, Ramesh, A., Ideda, M, Martens, W.L., 'Enhancing headphone reproduction of an electronic piano: Control of dynamic inter-aural level differences coupled with a player's active head movement, The 20th International Congress on Acoustics, ICA, 2010, International Commission for Acoustics, Sydney.

2010 | Lee, D., Cabrera, D.A, Martens, W.L., 'Equal reverberance contours for synthetic room impulse room responses listened to directly: Evaluation of reverberance in terms of loudness decay parameters. International Symposium on Room Acoustics (ISRA 2010, Australian Acoustical Society, Australia.

2010 | Lee D, Cabrera, D.A., Martens, W.L., 'Equal reverberance matching of running musical stimuli having various reverbertation times and SPLs, The 20th International Congress on Acoustics, ICA 2010, International Commission for Accostics, Sydney.

2010 | Jo, H, Park, Y, Martne,s W.L., 'Evaluating Candidate Sets of Head-Related Transfer Functions for Control of Virtual Source Elevation', [[i||40th International AES Conference', Audio Engineering Society, Tokyo.

2010 | Jo, H, Martens, W.L., Park, Y, 2010, 'Evaluation of three different standard head-related transfer functions using an elevation discrimination task for virtual sources displayed in the median plane', [[i||International Conference on Control, Automation and Systems 2010 (ICCAS 2010). Gyeonggi-do, Korea.

2010 | Song, H.J., Martens, W.L., 'Spatial separation and timbral difference affect identification of pitch modulation in one of two sources', 20th International Congress on Acoustics ICA 2010, Sydney, Australia.

2010 | Cabrera, D A, Lee, D, Collins, R M J, Hartmann, B, Martens, W L, Sato, H 2010, Characterising the variation in oral-binaural room impulse responses for horizontal rotations of a head and torso simulator, International Symposium on Room Acoustics (ISRA 2010), Australian Acoustical Society, Australia, 1-10
2011 | Martin, A G, Jin, C T, McEwan, A L, Martens, W L , A similarity algorithm for interactive style imitation, 2011 International Computer Music Conference (ICMC 2011), The International Computer Music Association, San Francisco, CA 94019, USA, 571-574

2011 | Jo, H, Martens, W L, Park, Y, Kim, S , Applying spectral cues to generate elevated sound sources displayed via ear-level loudspeakers, Inter-noise 2011, International Institute of Noise Control Engineering, Norta Dame, USA, 1-6

2011 | Martens, W L, Cabrera, D A, Stewart, K I , Close-range variation in binaural responses to orally-radiated sources, Annual Conference of the Australian Acoustical Society, Acoustics 2011: Breaking New Ground, Australian Acoustical Society, Darlinghurst, Sydney, CD, 1-7

2011 | Spargo, D, Martens, W L, Cabrera, D A 2011, Comparison of Room Acoustic Measurements ofDiffuseness with a Theoretical Model, Annual Conference of the Australian Acoustical Society, Acoustics 2011: Breaking New Ground, Australian Acoustical Society, Darlinghurst, Sydney, 1-5

2011 | Cabrera, D A, Lee, D, Yadav, M, Martens, W L , Decay Envelope Manipulation of Room Impulse Responses: Techniques for Auralization and Sonification, Annual Conference of the Australian Acoustical Society, Acoustics 2011: Breaking New Ground, Australian Acoustical Society, Darlinghurst, Sydney, 1-5

2011 | Yadav, M, Cabrera, D A, Collins, R M J, Martens, W L , Detection of headtracking in room acoustic simulations for one's own voice, Annual Conference of the Australian Acoustical Society, Acoustics 2011: Breaking New Ground, Australian Acoustical Society, Darlinghurst, Sydney, 1-5

2011 | Kim, S, Sakanashi, H, Martens, W L , Multimodal representation of electronic piano sound for piano players, Inter-noise 2011, International Institute of Noise Control Engineering, Norta Dame, USA, 1-6

2011 | Martens, W L, Jo, H, Park, Y , Principal-component-based smoothing of head-related transfer functions reduces variability in elevation judgments for virtual sources located on a cone of confusion, Inter-noise 2011, International Institute of Noise Control Engineering, Norta Dame, USA, 1-9

2012 | Martens, W L, McKinnon-Bassett, M A, Cabrera, D A , Perceptual evaluation of stochastic-event-based percussive timbres for use in statistical sonification, 132nd Audio Engineering Society (AES) Convention, Audio Engineering Society, New York, USA, 1-12