promote international cooperation within different specific fields of acoustics, provide assistance in organizing EAA events, suggest special issues for Acta Acustica or Acoustics in Practice, initiate studies and prepare documents such as strategies, policy statements, state-of-the-art assessments, reports, etc, within its defined technical field.

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Fundamental of Acoustics and Noise Control

Technical University of Denmark

Docent
  • Finn Jacobsen
Type
Lecture
Term
autumn semester
Subject type
Optional
Study path
International BSc in Engineering Acoustics
Specialisation/branch
Keywords
Fundamental acoustic concepts and measuring units. Human hearing and speech. Measurement and evaluation of sound, A-weighting, time constants and equivalent sound pressure level. Octave and one-third octave band analyses of noise. Addition of noise from uncorrelated sound sources. The use of complex notation. Energy density, sound intensity and sound power. Impedance concepts. Plane and spherical sound waves, interference fields. Reflection and transmission of sound. Sound radiation from monopole and dipole sources, sound radiation from a piston in a baffle. Normal modes in a rectangular room. The diffuse sound field, the energy balance equation in a room and the reverberation time. Sound absorbing materials. Natural modes and resonances in simple mechanical and acoustic systems. Structure-borne sound, vibration isolation of machinery. Sound insulation of single and double constructions.
Total ECTS credit
5.0
Examination
Written examination (4 hours, 7 step scale , exter
Language
Webpage
http://www.act.elektro.dtu.dk/Education/Courses?view=2&lang=en-gb&code=31200
Last modified
Nov. 30, 2024, 1:43 p.m.

The European Acoustics Association (EAA) is a non-profit entity established in 1992 that includes in its membership societies predominantly in European countries interested in to promote development and progress of acoustics in its different aspects, its technologies and applications. EAA gathers 33 societies of acoustics and serves more than 9000 individual members all over Europe. The European Acoustics Association (EAA) is an Affiliate Member of the International Commission for Acoustics (ICA) and of Initiative of Science in Europe (ISE).

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