Course detail

Room acoustics

FAST-DH68Acad. year: 2020/2021

Theory of room acoustics. Field of direct and reflected sound waves. Acoustic quality criteria of confined space. Measuring methods in room acoustics. Modeling of confined spaces in evalution program ODEON.
Noise characteristics in room acoustics.
Noise and vibration characteristics. Basic calculations of noise reduction. Equipment for noise measuring. Methods of noise reduction.

Language of instruction

Czech

Guarantor

prof. Ing. Milan Ostrý, Ph.D.

Department

Institute of Building Structures (PST)

Learning outcomes of the course unit

Not applicable.

Prerequisites

sound origin, basic notions wave, physical characteristics of sound, variables sound field;

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Not applicable.

Course curriculum

1.-2. Acustic quality criteria of confined space - intelligibility of speech, optimum reverberatoin time, difusse sound field
3.-4. Field of directed and reflected sound waves. Uniform decomposition leves of air pressure in space
5.-6. Project of optimum dimensions and profiles spales based on calculation of density own vibrations.
7.- Wavw, geometrical and statistical acoustics
8. Absorbtive structures - membranes, oscillating plates, Helmholtz resonators, perforated panels, slotted panels,
9.-10. Atestation of calculation by measuring by instrumentation of institut based on affectual mezhodical code for measuring and rating in province of building acoustics
11.-12. Rating of closed space through the program ODEON
13. Legislative of velocity currently act 502/2000 Sb. about defence health before adverse sound affected and vibration

Work placements

Not applicable.

Aims

Designing in field room acoustic, room for culture purposes, room in school, room for in open court purposes.
Choice of fit materials.
Resolution noise issue in work environment.
Elaboration noise studies and noise reduction in municipal environment.

Specification of controlled education, way of implementation and compensation for absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Vaverka a kol.: Urbanistická stavební a prostorová akustika. VUT Brno 1998

Recommended reading

Not applicable.

Type of course unit

 

Lecture

39 hours, optionally

Teacher / Lecturer

prof. Ing. Milan Ostrý, Ph.D.

Syllabus

1.-2. Acustic quality criteria of confined space - intelligibility of speech, optimum reverberatoin time, difusse sound field 3.-4. Field of directed and reflected sound waves. Uniform decomposition leves of air pressure in space 5.-6. Project of optimum dimensions and profiles spales based on calculation of density own vibrations. 7.- Wavw, geometrical and statistical acoustics 8. Absorbtive structures - membranes, oscillating plates, Helmholtz resonators, perforated panels, slotted panels, 9.-10. Atestation of calculation by measuring by instrumentation of institut based on affectual mezhodical code for measuring and rating in province of building acoustics 11.-12. Rating of closed space through the program ODEON 13. Legislative of velocity currently act 502/2000 Sb. about defence health before adverse sound affected and vibration