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Room acoustics blog

Various

Thermally Activated Building Systems (TABS) and acoustics

2022-03-10 by Mai-Britt Beldam

Sustainable building practices are here to stay and the number of building projects involving Thermally Activated Building Systems (TABS) is growing rapidly. However, from an office worker’s perspective, exposed concrete walls and ceilings create acoustic environments where it’s virtually impossible to communicate and concentrate. This detailed TABS Knowledge Guide explains how acoustic ceiling coverage impacts cooling […]

Ventilation through acoustic ceilings – What is diffuse ceiling ventilation?

2021-12-29 by Morten Roar Berg

Designing a holistic indoor environment can be challenging. It will often entail several compromises between quality of different aspects of well-being. It is extremely rare that a solution comes along that both enhances indoor comfort, reduces complexity of design while also saving money and lowering emissions. It definitely is extremely rare, but it happens. Diffuse […]

Nuanced room acoustics: Technical discriptors

2021-12-20 by Morten Roar Berg

Room acoustics is more nuanced than what is specified in most national requirements and regulations. If you, for example, wish to create a good sound environment in an open office environment, it is often better to consider multiple parameters and not merely the absorption area or reverberation time. The four primary technical basic terms that […]

The basics of room acoustics: Theory & terms

2021-12-20 by Morten Roar Berg

We at Acoustic Bulletin writes for both acousticians and sound enthusiasts of all types and levels of experience. This post is for anyone who is just entering the field of room acoustics. It contains only very simple and basic descriptions of the the main terms, but should provide enough detail to give you a firm […]

The soundscape design pyramid: A design aspect hierarchy model

2021-12-20 by Morten Roar Berg

bla bla

There are many factors contributing to the quality of a sound environment. Especially in complex rooms  like open offices, hospitals and learning environments. It is therefore important to have a clear understanding of how the different aspects of a design should be prioritised in relation to each other to ensure a high-quality outcome. Failing to […]

EIAS 2015 throwback: Four presentations on room acoustic descriptors

2021-12-16 by Morten Roar Berg

Erling Nilsson presenting

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 […]

Guest post: Hearing and Listening with Human Ears

2021-09-15 by Mai-Britt Beldam

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: […]

Listening tests in room acoustics

2021-08-30 by Juan Negreira

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 […]

Soundscapes: A perceptual design tool on the rise

2021-06-14 by Achim Klein

Plain landscape with waveform animation digitally added

How we perceive the sounds around us is dependent upon their inherent acoustic characteristics but also their associated meanings, context and our experience. We individuals shape the frame of reference. Exposure to unwanted, negative sounds (noise!) impacts our quality of life. Until now, our primary goal in acoustics has been to solely reduce the negative […]

Baltic-Nordic Acoustics Meeting 2021

2021-05-05 by Mai-Britt Beldam

The Nordic Acoustic Association and the Norwegian Acoustical Society invited scientists and engineers to attend the Baltic-Nordic Acoustic Meeting for 2021 this week and despite an online set-up the program consisted of keynote lectures, invited and contributed papers in structured parallel sessions. Some of the really interesting presentations are described here but you can find […]

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