Sound knowledge
Guides & articles by our acousticians
Ljudkunskap is our knowledge hub: practical guides for architects, restaurants and property developers, plus in-depth articles, studies and case stories written by the Delta Akustik team. The full texts are in Swedish; one interview is in English.
Guides
Quick guidance for your role
Short, practical overviews. Full texts in Swedish.
For architects
A building is experienced with all senses, hearing included. Why acoustics should be planned from the earliest design stage.
Read in Swedish GuideRestaurants
A good sound environment for guests and staff, while keeping noise away from neighbouring homes.
Read in Swedish GuideProperty developers
Feeling confident before and after a conversion: sound requirements, cost-effective solutions and verification for final approval.
Read in SwedishArticles & media
In-depth articles, studies and cases
Written by our acousticians, with original figures, measurement data, PDFs and audio.
What happened to sound class C?
The revised Swedish sound standard (SS 25268) retired sound class C and R'w requirements. A debate article by Petra Jingstål, published in Tidningen Arkitekten.
Read in Swedish ArticleNoise in school canteens
Why the big school canteen fails children, the Lombard effect, NPF diagnoses, and three alternative designs for a calm lunch environment.
Read in Swedish Radio interviewAcoustic visions
Beyond the blueprint: a radio conversation (in English) about the overlooked role of acoustics in architecture, with audio clip.
Read in Swedish StudyPaper studs & wood-fibre insulation
A KTH lab study comparing the sound insulation and carbon footprint of a climate wall versus a traditional steel-stud wall, with all measurement data.
Read in Swedish Case studyThe Opera and Dramaten
How a rehearsal hall 50 metres from the main railway line was made completely silent: five vibration measurement campaigns and a room-in-room design.
Read in SwedishAll articles open the Swedish original. Use your browser’s translation feature if needed, or contact us and we’ll gladly walk you through any topic in English.
Downloads
Articles as PDF & audio
- Noise in school canteens (in Swedish) PDF · 1.7 MB
- Paper studs & wood-fibre insulation (in Swedish) PDF · 3.5 MB
- The Opera and Dramaten, structure-borne sound (in Swedish) PDF · 0.7 MB
- Acoustic visions, radio interview (in English) MP3 · 21 MB
Questions about acoustics?
Our acousticians are happy to share what they know, in English too.