Perceived audio quality of sounds degraded by non-linear distortions and single-ended assessment using HASQI (2015)
Journal Article
assessment using HASQI. Journal of the Audio Engineering Society, 63(9), 698-712. https://doi.org/10.17743/jaes.2015.0068

For field recordings and user generated content recorded on phones, tablets, and other mobile devices nonlinear distortions caused by clipping and limiting at pre-amplification stages, and dynamic range control (DRC) are common causes of poor audio... Read More about Perceived audio quality of sounds degraded by non-linear distortions and single-ended assessment using HASQI.

Navigating the mix-space : theoretical and practical level-balancing technique in multitrack music mixtures (2015)
Book Chapter
Wilson, A., & Fazenda, B. (2015). Navigating the mix-space : theoretical and practical level-balancing technique in multitrack music mixtures. In The 12th Sound and Music Computing Conference, Music Technology Research Group, Dept. of Computer Science, Maynooth University, Maynooth, Co. Kildare, Ireland. Sound and Music Computing

The mixing of audio signals has been at the foundation of audio production since the advent of electrical recording in the 1920’s, yet the mathematical and psychological bases for this activity are relatively under-studied. This paper investigates h... Read More about Navigating the mix-space : theoretical and practical level-balancing technique in multitrack music mixtures.

How to design and conduct listening tests (2015)
Other
Fazenda, B. (2015). How to design and conduct listening tests

This is a copy of a presentation on listening tests delivered at lectures and invited talks. Optimisation of acoustic spaces and audio equipment is often dependent on objective metrics that can be measured directly and defined numerically. However,... Read More about How to design and conduct listening tests.

Perceptual thresholds for the effects of room modes as a function of modal decay (2015)
Journal Article
of modal decay. ˜The œJournal of the Acoustical Society of America (Online), 137(3), 1088-1098. https://doi.org/10.1121/1.4908217

Room modes cause audible artifacts in listening environments. Modal control approaches have emerged in scientific literature over the years and, often, their performance is measured by criteria that may be perceptually unfounded. Previous research... Read More about Perceptual thresholds for the effects of room modes as a function of modal decay.

Microphone handling noise database (2015)
Dataset
Kendrick, P., Jackson, I., Fazenda, B., Cox, T., & Li, F. Microphone handling noise database. [Dataset]

Microphone handling noise can reduce the quality of audio recordings. A perceptual study into this effect has been carried out and the subjective response quantified. This database contains audio recordings of handling noises from 8 different micro... Read More about Microphone handling noise database.

Perception and automatic detection of wind-induced microphone noise (2014)
Journal Article
Jackson, I., Kendrick, P., Cox, T., Fazenda, B., & Li, F. (2014). Perception and automatic detection of wind-induced microphone noise. ˜The œJournal of the Acoustical Society of America (Online), 136(3), 1176-1186. https://doi.org/10.1121/1.4892772

Wind can induce noise on microphones, causing problems for users of hearing aids and for those making recordings outdoors. Perceptual tests in the laboratory and via the Internet were carried out to understand what features of wind noise are importan... Read More about Perception and automatic detection of wind-induced microphone noise.

Categorisation of distortion profiles in relation to audio quality (2014)
Presentation / Conference
Wilson, A., & Fazenda, B. (2014, September). Categorisation of distortion profiles in relation to audio quality. Presented at 17th International Conference on Digital Audio Effects (DAFx-14), Erlangen, Germany

Since digital audio is encoded as discrete samples of the audio waveform, much can be said about a recording by the statistical properties of these samples. In this paper, a dataset of CD audio samples is analysed; the probability mass function of ea... Read More about Categorisation of distortion profiles in relation to audio quality.

Automatic detection of microphone handling noise (2014)
Presentation / Conference
Kendrick, P., Cox, T., Li, F., Fazenda, B., & Jackson, I. (2014, May). Automatic detection of microphone handling noise. Presented at 4th International Workshop on Cognitive Information Processing, Copenhagen, Denmark

Microphone handling noise is a common problem with user generated content. It can occur when the operator inadvertently knocks or brushes a recording device. Handling noise may be impulsive, where a microphone is knocked, or a more sustained rubbi... Read More about Automatic detection of microphone handling noise.

Physical and numerical constraints in source modeling for finite difference simulation of room acoustics (2014)
Journal Article
Sheaffer, J., van Walstijn, M., & Fazenda, B. (2014). Physical and numerical constraints in source modeling for finite difference simulation of room acoustics. ˜The œJournal of the Acoustical Society of America (Online), 135(1), 251-261. https://doi.org/10.1121/1.4836355

In finite difference time domain simulation of room acoustics, source functions are subject to various constraints. These depend on the way sources are injected into the grid and on the chosen parameters of the numerical scheme being used. This paper... Read More about Physical and numerical constraints in source modeling for finite difference simulation of room acoustics.

From source to brain : modelling sound propagation and localisation in rooms (2013)
Thesis
Sheaffer, J. From source to brain : modelling sound propagation and localisation in rooms. (Thesis). University of Salford

Human localisation of sound in enclosed spaces is a cross-disciplinary research topic, with important applications in auditory science, room acoustics, spatial audio and telecommunications. By combining an accelerated model of $3$D sound propagation... Read More about From source to brain : modelling sound propagation and localisation in rooms.

The acoustics of Stonehenge (2013)
Journal Article
Fazenda, B. (2013). The acoustics of Stonehenge. Acoustics bulletin / Institute of Acoustics, 38(1), 32-37

This is an excerpt from a book chapter with the same title in the book Acoustics and Music of British Pre History. The article discusses the measurement and analysis of the acoustics of the pre-historic site Stonehenge based on models and measurement... Read More about The acoustics of Stonehenge.

On the subjective nature of binaural externalisation (2013)
Journal Article
Alastair, P., & Fazenda, B. (2013). On the subjective nature of binaural externalisation. Proceedings of the Institute of Acoustics, 35(2),

Externalisation (the sensation of hearing a sound object outside the head) on headphone reproduction is a recurrent topic in modern research for binaural sound reproduction. One of the inherent issues with testing for externalisation is its quantific... Read More about On the subjective nature of binaural externalisation.

Awareness system for headphone users (2013)
Journal Article
Kay, J., & Fazenda, B. (2013). Awareness system for headphone users. Proceedings of the Institute of Acoustics, 35(2),

Hearing is arguably one of the most important senses in providing situational awareness and maintaining personal safety. There has been recently a marked increase of headphone use in public environments where, arguably, one’s safety might be jeopardi... Read More about Awareness system for headphone users.

Recreating the sound of Stonehenge (2013)
Journal Article
Fazenda, B., & Drumm, I. (2013). Recreating the sound of Stonehenge. Acta acustica united with Acustica, 99(1), 110-117

Stonehenge is the largest and most complex ancient stone circle known to mankind. In its original form, the concentric shape of stone rings would have surrounded an individual, both visually and aurally. It is an outdoor space and most archaeological... Read More about Recreating the sound of Stonehenge.

An integrated model of sound localisation in rooms (2012)
Presentation / Conference
Sheaffer, J., & Fazenda, B. (2012, September). An integrated model of sound localisation in rooms. Presented at Acoustics and Audio 2012, Ben Gurion University

Human perception of sound localisation in enclosed spaces has been studied extensively from physiological as well as psychological perspectives. As it is not feasible to conduct some experiments in-situ, researchers have employed alternative methodol... Read More about An integrated model of sound localisation in rooms.

Acoustic condition monitoring of wind turbines: Tip faults (2012)
Presentation / Conference
Fazenda, B., & Comboni Bustos, D. (2012, June). Acoustic condition monitoring of wind turbines: Tip faults. Presented at The 9th International Conference on Condition Monitoring and Machinery Failure Prevention Technologies, London

As a significant and growing source of the world’s energy, wind turbine reliability is becoming a major concern. At least two fault detection techniques for condition monitoring of wind turbine blades have been reported in early literature, i.e. acou... Read More about Acoustic condition monitoring of wind turbines: Tip faults.

The assessment of low-frequency room acoustic parameters using descriptive analysis (2012)
Journal Article
Wankling, M., Fazenda, B., & Davies, W. (2012). The assessment of low-frequency room acoustic parameters using descriptive analysis. Journal of the Audio Engineering Society, 60(5), 325-337

In small rooms, low-frequency modes have a degrading influence on the quality of the bass components of music. Using objective measures to correct these modes often fails because they do not correspond to the subjective experience of listeners. This... Read More about The assessment of low-frequency room acoustic parameters using descriptive analysis.

Subjective preference of modal control methods in listening rooms (2012)
Journal Article
Fazenda, B., Wankling, M., Hargreaves, J., Elmer, L., & Hirst, J. (2012). Subjective preference of modal control methods in listening rooms. Journal of the Audio Engineering Society, 60(5), 338-349

Methods to control the unwanted effects of low-frequency modes in critical listening rooms range from complex signal processing to the positioning of loudspeakers and listeners. A rigorous scientific experiment has been conducted to evaluate the perc... Read More about Subjective preference of modal control methods in listening rooms.

Acoustic based condition monitoring of turbine blades (2011)
Presentation / Conference
Fazenda, B. (2011, July). Acoustic based condition monitoring of turbine blades. Presented at 18th International Congress on Sound and Vibration, Rio de Janeiro, Brazil

An initial investigation into the performance of acoustic condition monitoring in the detection of structural faults in turbine blades has been carried out. The focus is to design a non-contact condition monitoring method which might allow the detect... Read More about Acoustic based condition monitoring of turbine blades.

A simple multiband approach for solving frequency dependent problems in numerical time domain methods (2011)
Presentation / Conference
Sheaffer, J., Fazenda, B., Murphy, D., & Angus, J. (2011, June). A simple multiband approach for solving frequency dependent problems in numerical time domain methods. Presented at Forum Acusticum, Aalborg, Denmark

With the rapid growth of computational power and recent advances in GP-GPU technology, numerical time domain methods are becoming increasingly popular for room acoustics applications due to their accuracy, simplicity and ease of implementation.... Read More about A simple multiband approach for solving frequency dependent problems in numerical time domain methods.