11 uppsatser
This pre-study investigates the possibility of U-value measurements through an acoustic method. A hypothesis about an acoustic model built on acoustic theories combined with U-value theories is presented to answer the questions: ” Can U-value theory be combined with acoustic …
… clubs exceeding the national sound level restrictions created the need for an acoustic intervention project. The purpose of that project was to lower the sound levels without compromising the artistic freedom of the musicians.Aim: The aim of this paper is to present the …
… was to investigate the possibility to combine information from PPG and bio-acoustic technology to extract information that is related to the blood pressure. The measurements have been carried out with several different configurations. First the relation between arterial sounds …
- samt hur fasad och fönster dimensioneras med uppmätta värden
This report is written on commission by WSP Acoustics. The report studies the outdoor sound levels on school yards in Stockholm. The questions given by the company to be answered was what are the actual sound levels at diffrent school yards with low traffic noise and how can you …
The acoustics in a control room is a complicated phenomenon. Early reflections, reverberation time and area in the room are some of the problems. This report is about the reflection on the mixing console in a control room. The control room being built, these reflections are …
… 2004). However the relationship between foreign accent, intelligibility and acoustics within pronunciation tutoring is quite an unresearched area (Thorén, 2008). The aim of the study was to analyze how a course in Swedish pronunciation affected foreign accent, intelligibility …
The earmould acoustics affect the amplification that the hearing aid is programmed to give to its user. It is therefore important that the choices made for the earmould are correctly done. One choice is regarding the shape of the soundbore that affects the frequency response of …
This degree project handles acoustic measurements of the heat pump EcoAir 107, made by Enertech CTC AB. The sound from the three sound sources of the heat pump, fan, compressor and four way valve, have been measured to find out how they affect the total sound level of the …
… validate the technical functionality of the product RuminActTM, which employ acoustics to monitor rumination duration. The time budget of high yielding cows was studied and possible differences in rumination time between 13 rations were interpreted. Further the study examined …
en utvärdering av enkätundersökningar och mätningar
Denna avhandling behandlar stegljudet i två trähus på campus i Växjö. Staden lyfts ofta fram som en bra förebild inom miljö- och klimatfrågor. Det kommunala fastighetsbolag som äger, förvaltar och bygger universitetets byggnader är intresserade av dessa frågor när nya hus ska …
Ett förundersökande arbete om högkvalitativa kontrollrums komplexa ljudmiljö
… som sedan ställts mot specifika krav och rekommendationer från AMS (Audio Measurement Standards) och EBU (European Brodcasting Union). Lyssningstesten har gjorts efter EBU-standard. Även intervjustudier har genomförts med erfarna ljudtekniker. I Slutsats och Diskussion jämförs …
