It was great to meet up with Cary Norsworthy at Internoise2019 in Madrid a few weeks ago. Her passion about the sound environment is driven from her own experiences and her curiosity to learn more about noise, acoustics and soundproofing – and share this with others. She not only is doing a great job raising […]
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Good acoustics as an extra source of income in restaurants
Internoise 2019, Madrid It’s all about money! Juan Negreira held a really inspiring presentation at Internoise 2019 – about how a room acoustic intervention in a restaurant lead to better income. Below are his findings and discussion and if you want to know more about the project and get access to the original paper, you […]
Find out what a room can sound like – with the Ecophon Acoustic Calculator
Today almost all room acoustic calculations are based on the Sabine formula. Even though it is known that you often get different values when you compare calculations with actual measurements in a room. Therefore, Ecophon has developed a calculator in which the intention is to have more accurate acoustic values before measurements. The Ecophon Acoustic Calculator is […]
New experimental methods shed light on sound field diffusion in reverberation chambers.
December 13th 2018 we had the privilege to attend a PhD defense at DTU. The work was done by Mélanie Nolan who for the last 3 years has been working intensely to investigate sound fields in the reverberation chamber. This article is touching upon some of the findings from the research. The influence of absorption […]
Speech intelligibility and public sound systems
There’s an important difference between music and speech. The brain is capable of “filling in” a fair amount of missing information in music. There’s a high degree of predictability. Generally while hearing music, if you didn’t get the bass line or some part of the song which you are keen on listening in the first […]
How about raising awareness about the need to check our hearing!
The theme for the upcoming World Hearing Day 2019 is “Check Your Hearing”. On the 3rd March the WHO (World Health Organisation) will draw attention to the importance of early identification and intervention for hearing loss. Many people live with unidentified hearing loss, often failing to realise that they are missing out on certain sounds […]
Are restaurants and bars too loud in New York City? Landmark case study….
An evidence-based study to raise noise pollution awareness was presented last month at INTER-NOISE 2018 in Chicago by Gregory Scott, Founder of SoundPrint. This is, according to the Abstract: The first large-scale study conducted on sound levels, using the novel SoundPrint smartphone app, of more than 2250 venues in New York City shows that the average […]
Artistic aspects of Architectural sound – Master Thesis by Tim Elfström
We asked Tim to give us a summary insight into his recent Thesis which he has completed as part of a collaborative Lund University study report with Ecophon. Tim is a qualified architect (Arkitekt MSA), has just recently completed his Master Thesis at Lund and is now a consultant helping other architects understand and include […]
Euronoise 2018 – A cochlea in the floor carpet caught my eye
Euronoise 2018 was a great acoustic event, and we at Acoustic Bulletin are proud to have covered 6 sessions on room acoustics in particular. This is the last post written by our development engineer, Heléne Sallenhag – she has covered the session 18:3 – Voice accommodations in room acoustics and noise. How much would you spend […]
Euronoise 2018 – Room acoustics
Our editor Maria Quinn, Concept Developer for Healthcare in Sweden, attended Euronoise in Crete – and here are her main takeaway points from the session: Room Acoustics. Poster NOISE IN NEONATAL INTENSIVE CARE UNITS: A SHORT REVIEW, by C.Carvalhais, M.V.Silva, J.Silva, A.Xavier,J.Santos Noise affects newborns and worker in NICU rooms. Most of the noise is […]
