Knowledge Centre
Australia’s environmental noise resource
Plain-English explainers on assessments, regulations and event noise — written for planners, councils, lawyers and anyone who has just been asked for a noise report.
Explainer
Why Has Council Requested a Noise Report?
Explainer hub
Understanding Noise
Guide hub
Practical Noise Problems
Guided tool
Find the Right Noise Assessment
Explainer
Noise Report Costs
Explainer
What is Noise Modelling?
Regulation
Environmental Protection Noise Regulations
Regulation
SPP 5.4 Explained
Guide
Event Noise Limits Explained
FAQ
Frequently Asked Questions
Interactive calculator
Decibel Addition Calculator
Correctly combine two, three or four simultaneous sound levels using logarithmic addition.
Interactive calculator
Distance Attenuation Calculator
Compare ideal point-source and line-source sound reduction with distance.
More explainers on planning guides, technical terminology and frequently asked questions are in progress and will be added as they are published.
Can’t find what you need?
Send us your council’s letter or a description of your project and we will point you in the right direction directly.