Basics of Acoustics Course code: 160107 | 6 ECTS credits
Basic information
Level of Studies:
Year of Study:
1
Semester:
1
Requirements:
Goal:
The goal of the course is to enable students to master the basics of acoustics.
Outcome:
The outcome of the course is that students are trained to independently solve elementary problems of physical, room and physiological acoustics.
Contents of the course
Theoretical instruction:
- Basic concepts of physical acoustics.
- Sound wave. Sound pressure.
- Wavelength and frequency. Sound intensity.
- Mutual radiating of several sound sources.
- Sound level. Refraction and diffraction. Absorption coefficient.
- Basic concepts of physiological acoustics. Sense of hearing. External, middle and inner ear.
- Sound perception. Speech mechanism.
- Noise and sound insulation.
- Basic concepts of room acoustics. Sound field. Absorption and diffusion.
- Reverberation time. Sound intensity in the rooms. Sound absorbers - materials and constructions.
- Electrical-mechanical-acoustical analogies.
- Basic concepts of electro-acoustics. Microphones. Speakers. Headphones.
Practical instruction (Problem solving sessions/Lab work/Practical training):
- Sound field in the room.
- Sound pressure distribution at different places in the room. Room modes.
- Examples of acoustic signals and their spectral characteristics.
- Hearing threshold.
- Isophonic curves measurements.
- Reverberation time measurements.
- Sound insulation.
Textbooks and References
- P. Pravica, D. Drinčić, D. Novković, "Osnovi akustike", VIŠER 2018.
- P. Pravica, D. Drinčić, "Zbirka zadataka iz Elektroakustike" VIŠER 2012.
Number of active classes (weekly)
Lectures:
3
Practical classes:
2
Other types of classes:
0
Grading (maximum number of points: 100)
Pre-exam obligations
Points
activities during lectures
0
activities on practial excersises
30
seminary work
0
colloquium
0
Final exam
Points
Written exam
70
Oral exam
0