Sökning: "sound quality"

Visar resultat 36 - 40 av 177 avhandlingar innehållade orden sound quality.

1. 36. Measurement and perception of sound insulation from 20 Hz between dwellings

   Författare :Rikard Öqvist; Fredrik Ljunggren; Roger Johnsson; Anders Ågren; Berndt Zeitler; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Sound insulation; Lightweight constructions; Annoyance; Measurement uncertainty; Low frequency; Building Acoustics; Walking noise; Teknisk akustik; Engineering Acoustics;

   Sammanfattning : Population growth and urbanization are projected by the United Nations to add 2,5 billionpeople to the world’s urban population by 2050. We need to construct buildings in anunprecedented scale to meet global housing demand. Sustainable development is critical. LÄS MER

3. 37. Space in the Space : Designing Sound Environments for the Shared Indoor Workspace

   Författare :Martin Ljungdahl Eriksson; Lena Pareto; Davide Rocchesso; Högskolan Väst; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Sound Environment Design; 4E Cognition; Research through Design; Design program; Sound Users; Ljudmiljö; utformning; arbetsplats; medarbetare; Work Integrated Learning; Arbetsintegrerat lärande;

   Sammanfattning : The sound environment in shared indoor workspaces emerges through the interplay of physical layout, materials, technology, and social dynamics. These spaces are designed with specific purposes in mind, taking acoustics into account during construction. LÄS MER

4. 38. Sound quality evaluation of heavy-duty engines in free field conditions

   Författare :Md. Shafiquzzaman Kahn; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknisk akustik; Engineering Acoustics;

   Sammanfattning : Annoyance response to vehicle noise is commonly reported. The impact reduction measures must therefore be measured scientifically. A scientific system for describing and defining annoyance is therefore required. There is furthermore a need to reduce the annoying components of the sound of vehicles. LÄS MER

5. 39. Urban Sound Planning - An attempt to bridge the gap

   Författare :Laura Estévez Mauriz; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; HUMANIORA; HUMANITIES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; prediction methods; road traffic noise; traffic dynamics; Urban sound planning; quiet side; urban systems; citizen participation; urban strategies;

   Sammanfattning : Cities are constantly between transition and adaptation, where current urban development needs a consistent strategic solution capable of understanding and including the relationships between urban form, environment and urban life. Awareness of the quality of the urban environment is leading the vision on the resilience and sustainability of the built environment, highlighting the importance of a multidisciplinary urban framework. LÄS MER

7. 40. A Virtual Design Studio for Low-Frequency Sound from Walking in Lightweight Buildings

   Författare :Nata Amiryarahmadi; Sweden Chalmers University of Technology; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Lightweight floors; Walking sound; Low frequency; Annoyance; Virtual design studio;

   Sammanfattning : In recent years there has been a growing interest for building lightweight multistorey woodenresidential buildings in countries like Sweden with large and renewable forests. While positive aspectsof these buildings, such as sustainability, ease of construction and lightness, motivate building more inwood, poor acoustic performance is a risk which concerns the wooden-building industry. LÄS MER