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Explanatory Notes
Instructions
Anotation:
The course introduces the principles of electroacoustic and electromechanical transducers from the perspective of physicas background and technological solutions. It also focuses on methods of analysis of transducers and electroacoustic systems. The main topics are acoustic transmitters (speakers, actuators) and acoustic receivers (microphones, sensors) and the principles of electroacoustic conversion used in them, as well as related electrical and acoustic systems (crossovers, baffles, waveguides) and, last but not least, measurement and calibration.
Study targets:
The course is aimed at fundamental knowledge in electroacoustics.
Course outlines:
| 1. | | Electromechanical and electroacoustic analogy |
| 2. | | Modeling of vibrating systems with distributed parameters (membranes) |
| 3. | | Acoustic transmitters |
| 4. | | Electromechanical transducers with a magnetic field |
| 5. | | Electroacoustic transducers with an electric field |
| 6. | | Acoustic receivers (microphones, measuring microphones, sensors) |
| 7. | | Loudspeakers, baffles, crossovers |
| 8. | | Electroacoustic headphones |
| 9. | | Numerical methods for optimizing electroacoustic transducers |
| 10. | | Electroacoustic measurements - calibration |
| 11. | | Acoustic and mechanical waveguides |
| 12. | | MEMS transducers and their communication formats |
| 13. | | Nonlinearities of electroacoustic transducers and their measurements |
| 14. | | Lecture by a guest professor |
Exercises outline:
| 1. | | Úvod, elektroakustické analogie - výpočty |
| 2. | | Kmitající soustavy - výpočty |
| 3. | | Vyzařování kmitajících soustav - výpočty |
| 4. | | Laboratorní úloha - Measurement of electrodynamic loudspeaker parameters |
| 5. | | Laboratorní úloha - Electrostatic calibration |
| 6. | | Laboratorní úloha - Calibration of earphones on the artificial ear |
| 7. | | Laboratorní úloha - reproduktorové výhybky |
| 8. | | Laboratorní úloha - měření kmitání měničů laserovým vibrometrem |
| 9. | | Směrová funkce mikrofonu |
| 10. | | Praktické použití numerických metod (FEM) |
| 11. | | Vlnovody - simulace |
| 12. | | MEMS měniče -praktické aspekty |
| 13. | | Měření nelinearit měničů - sweepsine |
| 14. | | Zápočet |
Literature:
Recommended literature:
| [1] | | Kleiner, M.: Electroacoustics, CRC Press, 2013 |
| [2] | | Rossi, M.: Acoustics and Electroacoustics, Artech House, 1986 |
Lecture materials in Moodle and materials for laboratory assignments.
Requirements:
Students should master knowledge of maths, physics, signal theory and electric circuits theory at the bachelor state exam level.
Keywords:
acoustics, electroacoustics
Subject is included into these academic programs:
| Page updated 16.6.2026 17:52:00, semester: L/2029-30, Z,L/2027-8, L/2028-9, Z,L/2026-7, Z/2028-9, L/2025-6, Send comments about the content to the Administrators of the Academic Programs |
Proposal and Realization: I. Halaška (K336), J. Novák (K336) |