Keith Ballagh is a Principal of Marshall Day Acoustics, working out of the Auckland office. He graduated from the University of Canterbury in 1974 with first class honours in Mechanical Engineering, joining the Acoustics Section of the Department of Scientific and Industrial Research as a Scientist and in 1981 was appointed Section Leader.

ZORBA is software for prediction of the sound absorption of building elements written by Marshall Day Acoustics in New Zealand. Engineering Noise Control Software (ENC) ENC is comprehensive software divided into seven modules, corresponding to various sections of the text book Engineering Noise Control by Prof Colin Hansen and David A Bies. May 31, 2021 - Cracked Software Download All Software Crack Download Release Software Crack For All Software Types & Categories, Download Link For Cracked Software, Always Download Latest & New Version of Software Crack Request Release & Share Cracked Software in This Page, We are Waiting For New Requested Software For Cracking Services. Zorba Sound Absorption Prediction Software Cracked - irishblack. InsulINSUL is a program developed for predicting the sound insulation of walls, floors, ceilings and windows.INSUL can estimate the Transmission Loss (TL) or Sound Reduction (R) in 1/3 octave bands along with weighted indices (STC or Rw) for use in sound transfer calculations.

In 1981 he worked at the Physikalisch - Technische Bundersanstalt in Braunschweig, Germany, one of the worlds leading acoustic research centres. Keith joined Marshall Day Acoustics in 1987 and became a partner in 1995. His work has included the full range of acoustical consulting work, from room acoustics to industrial noise control and environmental impact studies.

Keith developed INSUL sound insulation software and Zorba for predicting absorption performance of systems both of which have sold in more than 30 countries throughout the world and are in use by universities, consultancies and manufacturers.

Qualifications & Memberships

• Bachelor of Engineering (Mechanical) 1^st Class Honours, University of Canterbury
• Member of NZ Acoustical Society (Past President)
• Member of the American Acoustical Society

Publications

Contact details

Auckland

Prediction Software Companies

+64 9 379 7822

Acoustic modelling is an important tool that we regularly use to help our clients understand acoustic concepts.

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We use state of the art software to carry out a variety of acoustic modelling and simulation. In addition, we have both permanent and portable simulation set ups for ambisonic and binaural simulations to provide a more immersive demonstration of reverberation, sound insulation, acoustic quality, environmental noise and ground borne noise.

We have a variety of acoustic utility programs that we regularly use as part of the design process including a number of bespoke programs that have been developed in-house, such as ACS.

Our suite of software packages includes:

• ODEON and CATT – for room acoustics and auralisation
• INSUL – for airborne and impact sound insulation
• Zorba – sound absorption prediction
• BASTIAN – for the prediction of flanking sound.

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We also model environmental noise from transportation sources and construction sites using CadnaA software to produce 3D noise distributions over facade elevations and ground level noise contours.

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To model noise and vibration propagation, including pipe-in-pipe and Transient Statistical Energy Analysis, software that has been specially developed in-house allows us to continually update and enhance our techniques.

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With all modelling, validation against real situations is essential and we are constantly looking to verify, improve and refine our modelling techniques.