Category: Research

New study: C50 should be included in standards for elderly care facilities.

Recently, a new study in an elderly care home in Denmark was finalized. The motivation for this study conducted by the two Architectural Engineers Cecilie Søgaard Petersen and Stine Sonne Nautrup was that we see demographic changes all over the world and this also means that the people of Denmark are getting older. Reverberation time […]

Read more

Acoustic Standards 84 Acoustics miscellaneous 227 Healthcare Environments 152 Research 169

Innovative Italian project I LISTEN (IO ASCOLTO) harnesses potential of acoustics to help children with special education needs (SEN)

IO ASCOLTO (I LISTEN) is an innovative research project tested in Turin to improve children’s learning abilities at school and intended to combat specific learning disorders experienced by children with special education needs (SEN) such as dyslexia – the inability to read words and texts quickly and correctly – which, according to AID (Italian Dyslexia […]

Read more

About Sound 200 Acoustic Standards 84 Acoustics miscellaneous 227 Design Guidance 9 Educational Environments 182 Research 169

New research shows that a lower reverberation time helps children cope with multi-talker listening situations

How children make sense of the complex signals they hear in the classroom depends partly on their hearing and cognitive abilities. But newly published research shows more about the important part played by the acoustic environment in this process; specifically, the role of reverberation time.  The ability to make sense of what you are hearing […]

Read more

Educational Environments 182 Psychoacoustics 38 Research 169 Uncategorized 55

EIAS 2015 throwback: Four presentations on room acoustic descriptors

In anticipation of the next Ecophon International Acoustic Seminar (EIAS) we bring you these 4 presentations on acoustic descriptors from EIAS 2015. Much in the world has changed since 2015, but the need for more technical descriptors in evaluating room acoustic quality is not one of them. Technical objective descriptors provides us to more accurately […]

Read more

About Sound 200 Acoustics miscellaneous 227 Research 169

Optimum room acoustics in audiological research facilities

Copenhagen Hearing and Balance Center Audiological Research Facilities are part of Rigshospitalet’s new North Wing that officially opened on Tuesday 14 January 2020. The new wing of 54,700 m2 was designed to cater to the needs of patients and their families and includes 196 private rooms and 33 high-tech operating theatres. Assistant Professor at DTU […]

Read more

About Sound 200 Healthcare Environments 152 Research 169

Study interview: The effect of absorbers and screens on the decay of speech in offices

What exactly can you expect from different kinds of acoustic treatment? Which types of treatment should be prioritised and how does one treatment affect the other? In this post we interview Dr. Valtteri Hongisto about a unique and comprehensive study that provides new insights into effective acoustic design of offices. Researchers Valtteri Hongisto, Jukka Keränen […]

Read more

Acoustics miscellaneous 227 Office Environments 124 Research 169

Guest post: Hearing and Listening with Human Ears

Marcia Jenneth Epstein, Ph.D. has once again contributed to Acoustic Bulletin with this guest blog post. We appreciate your work, Marcia! Read more about our guest blogger and find her other post here. Hearing is our ”second sense”. Phrases used in Western culture to demonstrate understanding – at least in English – are often visual: […]

Read more

About Sound 200 Acoustics miscellaneous 227 Educational Environments 182 Healthcare Environments 152 Office Environments 124 Psychoacoustics 38 Research 169

Listening tests in room acoustics

Last June 24th, Daniel de la Prida defended his PhD thesis [1] at the Technical University of Madrid (Spain). His research focused on the assessment of the subjective perception both in architectural and environmental acoustics. In the following, a summary of Daniel de la Prida’s research (mostly focused on room acoustics) is given. All the […]

Read more

About Sound 200 Acoustics miscellaneous 227 Psychoacoustics 38 Research 169

Diffusion or absorption?

The Subjective Experience Depending on Type of Acoustic Treatment Recently, PHD student Emma Arvidsson, published an article regarding different acoustic treatments in ordinary rooms and how they are perceived. The article concerns how people subjectively experience different acoustic environments and furthermore, if the experience was different depending on where in the room they were sitting. […]

Read more

Acoustics miscellaneous 227 Educational Environments 182 Research 169

Laboratories: Open plan offices inside healthcare environments

Since March 2020, the coronavirus disease was formally characterized as a pandemic. Since that time, the COVID-19 pandemic has led to a high demand for healthcare resources. Laboratory activities surged due to the rapid increase of testing. In hospitals or clinics, laboratories operate mainly in the domain of patient-related research and analyses. In private structures, […]

Read more

Acoustic Standards 84 Acoustics miscellaneous 227 Healthcare Environments 152 Research 169