Acoustic Directions

Publications

The following papers have been authored or co-authored by Glenn Leembruggen and are available for download.

Journal and Conference Papers

A First Principles Method to Rapidly Optimise the Acoustic Gain of a Sound System With Multiple Live Microphones
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2018

A Revised Speech Spectrum for STI calculations
Applied Acoustics 132 (2018)

The Effect on STI Results of Changes to the Male Test-Signal Spectrum
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2016

Equalizing the Effects of Perforated Cinema Screens
Presented at the AES 57th International Conference

Why Does Cinema Sound Quality Mostly Fail to Realise Its Potential? Some Interesting Results from the SMPTE’S 2014 Report on Cinema Sound Systems
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2015

Increasing Robustness in the Calculation of the Speech Transmission Index from Impulse Responses
Journal of Building Acoustics, Volume 21, Number 3, 2014

On The Importance of the Speech Spectrum for STI Calculations
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2013

Further investigations into the interactions between cinema loudspeakers and screens
SMPTE Motion Imaging Journal November/December 2012

Can You Rely on STI?
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2012

Preliminary Validation of the Revised STI Male for the English Language
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2012

Does Third Octave Equalisation Improve the Sound in a Typical Cinema?
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2011

The Cone of an Ancient New Zealand Tree Inspires the Acoustic Design for the New Zealand Supreme Court
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2011

Raising the Tone of the Debate
Presented to the SMPTE Australian Conference 2011

Is the X Curve Damaging Our Enjoyment of Cinema?
Presented to the SMPTE Australian Conference 2011

Comparison of Measured and Predicted Sound Absorption Properties of Polyester Fibre Insulation Using an Unusual Plane Wave Tube
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2010

Further Investigations into Improving STI’s Recognition of the Effects of Poor Frequency Response on Subjective Intelligibility
Presented to Audio Engineering Society Convention 2010 London UK

Hybrid Line Arrays – A viable alternative
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2009

Exploring Ways to Improve STI’s Recognition of the Effects of Poor Spectral Balance on Subjective Intelligibility
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2009

“Watt Did They Just Announce?” A Novel Solution for a Quantum Improvement in Intelligibility On Railway Station Platforms.
Presented to Institute of Acoustics (UK) at Reproduced Sound Conference 2009

Is SII Better than STI at Recognising the Effects of Poor Tonal Balance on Intelligibility?
Presented to Institute of Acoustics (UK) one-day seminar on Measurements of Speech Intelligibility 2006

Unusual Beam-Steered Loudspeakers Offer Holistic Solutions to Acoustic Problems in Courts and Parliaments
Presented to Institute of Acoustics (UK) at Reproduced Sound 21 conference 2005

Should the (STI) Matrix be Reloaded?
Presented to Institute of Acoustics (UK) at Reproduced Sound 19 conference 2003

A Computational Method for Analysis and Design of Acoustic Absorbers and Low Frequency Transmission Loss.
Presented to Institute of Acoustics (UK) at Reproduced Sound 19 conference 2003

Tailoring the total radiation pattern of a group of loudspeakers.
Presented to Institute of Acoustics (UK) at Reproduced Sound 17 conference 2001

Tapered Line Arrays – A Solution for the Sound System In The Opera Theatre, Sydney Opera House
White paper prepared in 2001 for submission to the AES

Design of three unusual loudspeakers for the High Court of Australia
Journal of the Audio Engineering Society May 2000

Design and Commissioning of Sound Reinforcement Systems for the Australian Parliament – A Holistic Approach
Journal of the Audio Engineering Society May 2000

A New Method of Characterising Driver Linearity
Journal of the Audio Engineering Society April 1996