Acoustic Bulletin

Room acoustics blog

research

Good acoustics as an extra source of income in restaurants

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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

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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 […]

Acoustics affect staff in the OR

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Introduction Sustainable working environments include good room acoustics but working in and operation room (OR) can be a challenge. Due to hygiene regulations and demands the surfaces are often hard and reflective and this leads to high sound pressure levels, bad speech clarity and long reverberation times. The Study At Hvidovre Hospital in Copenhagen, Denmark […]

Harmful noise is prevalent in Danish schools

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An extensive well-being survey maps noise problems in Danish schools. About one in ten children from preschool to the third grade can’t hear the teachers instruction because of noise. Sound and acoustics is sadly often far down on the list of priorities in the design of buildings. However, this problem becomes particularly absurd when even […]

Global School User Survey has acoustics questions!

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Title image credit: Cover from the OECD School User Survey. The newly launched OECD School User Survey  is designed to support the improvement of learning spaces by empowering school users. Significantly for us as acoustic enthusiasts, among the broad range of holistic topics and important aspects that it covers, the survey also includes 5 acoustic […]

Better speech communication and learning in the classroom

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At this years Transitions18 Education research seminar in Copenhagen, Viveka Årlander Lyberg Associate Professor at Lund University, presented the latest developments around Suvi Karjulainen’s PhD “Better communication and learning in the classroom”. This unique and applied study around the quality of speech communication for teachers and students also links to the investigation of the classroom […]

Acoustics is part of the conversation – when transitioning to innovative learning environments

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For the second year running the University of Melbourne and  the ILETC project organised a series of three Transitions18 research symposia around learning spaces in Melbourne, Phoenix co hosted by Steelcase and Copenhagen co hosted by Ecophon. Attending the Copenhagen event, there was a wealth of groundbreaking research studies and discussions about the transition of […]

Acoustic design for differences and brain work

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Smart Workspace Design Summit took place in Amsterdam October 4-5 (2018) and participants from all walks of the workplace trade joined in as to share and acquire related knowledge. A more holistic blogpost about this event was already posted and can be read here: Link Below are more details regarding one of the two Ecophon […]

Bad acoustics – higher pulse, more medication

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Healthcare and sound Some of us have tried to be sick in a hospital – most of us have tried to be relatives to a sick person in a hospital – and all of us have been affected by sound. Sometimes we are aware of it – sometimes we suffer without knowing it. This following […]