For today's expert feature we're hearing all about sound from an extremely experienced engineer.
How does it travel? How is it amplified? And what are some common myths about noise?
To explain, we're joined by acoustic engineer, Christopher Day. He's founding partner of Marshall Day Acoustics.
In a career spanning 40 years, Chris has worked on major projects including the Michael Fowler Centre, the Philarmonie de Paris and the Auckland Town Hall.
If you have any questions for Chris you can text 2101 or email jesse@rnz.co.nz.
Electromagnetic radiation Photo: 123RF
