Introduction to Acoustic

Garant předmětu:

Lecturer:

Tutor:

Supervisor:

Department of Physics

Synopsis:

The subject provides overview of main parts of acoustics. In first lectures there is introduction to basic types of sound fields, its solutions and properties. Next chapter deals with introduction to building and room acoustics. The second half of the course deals with introductions to physiological acoustics, psychoacoustics, musical acoustics, hygiene legislation and ultrasound, infrasound and their measurement.

Requirements:

Laboratory tasks, Final test.

Syllabus of lectures:

1. Sound and basic acoustic variables.

2. Sound in free space and rooms, interference and diffraction.

3. Types of sound sources and their properties.

4. Foundation of building acoustics, hall diagnostics.

5. Noise, its measurements and evaluation.

6. Noise legislation, noise surveys.

7. Vibration and its measurement.

8. Transient sound field.

9. Psychoacoustics, musical acoustics.

10. Elastic waves in solids, properties and propagation.

11. Piesoelectric phenomenon.

12. Generation and receiving of elastic waves.

13. Ultrasound, infrasound.

14. Sound and light.

Syllabus of tutorials:

1. Levels and decibels.

2. Sound fields of basic sound sources.

3. Sound pressure and intensity.

4. Sound pressure measurements.

5. Frequency analysis, 1/3-octave.

6. FFT and other analyses.

7. Examples of interference and sound fields in rooms.

8. Sound reflection measurements.

9. Vibration measurements.

10. Non-steady sound field.

11. Measurements of non-steady sound.

12. Basic properties of ultrasound field.

13. Ultrasound transducers.

14. Measurements of ultrasound.

Study Objective:

Study materials:

1. Beranek L.L., Noise and Vibration Control, INCE, 1988

2. Kuttruff H.,, Room Acoustics, Applied Science Publishers LTD

3. Fahy F., Fundamentals of Noise and Vibration, E & FN SPON, 1998

Note:

Further information:

https://moodle.fel.cvut.cz/course/view.php?id=4656

No time-table has been prepared for this course

The course is a part of the following study plans:

• Medical electronics and bioinformatics (compulsory elective course)
• Electronics and Communications 2018 (compulsory elective course)