Electroacoustics and Applied Acoustics

Lecturer:

Tutor:

Supervisor:

Department of Radioelectronics

Synopsis:

The course presents electroacoustic transducers, loudspeakers, headphones, microphones and enclosures and fundamental electroacoustic measurements, fundaments of psysiological acoustics and basic calibration methods in sonics and ultrasonics. The introduction to room acoustics and sound reinforcement are also presented.

Requirements:

Syllabus of lectures:

1. Electroacoustical transmission chain, electroacoustical analogies

2. Acoustic transmitters and their properties

3. Acoustic field of transmitters, directivity, intensity, radiated power

4. Acoustical waveguides and their application

5. Gradient acoustic receivers

6. Wave acoustic receivers

7. Electroacoustic transducers with magnetic field

8. Electroacoustic transducers with electric field

9. Loudspeakers, enclosures, properties, design

10. Microphones and their application, sensors

11. Fundaments of physiological acoustics and technical audiology

12. Special electroacoustical devices, headphones, cochlear implants

13. Electroac. measurements, calibration methods in infrasonic, sonic and ultrasonic

14. Sound reinforcement, introduction to room acoustics, studio application

Syllabus of tutorials:

1. Introduction to work in laboratory

2. Equivalent circuits of mechanic systems

3. Equivalent circuits of acoustic systems

4. Acoustic field, seminary work

5. Theory to upcoming laboratory work

6. Basic methods of electrostatic microphone calibration

7. Measurement of specific impedance in interpherometer

8. Measurement of basic parameters of electrodynamic loudspeaker

9. Transducers with electric and magnetic field, seminary work

10. Enclosure design

11. Speech acoustics

12. Physiological and musical acoustics - auditory demonstrations

13. Seminary work, consultations

14. Credits

Study Objective:

Study materials:

[1] Merhaut, J.: Theory of electroacoustics. McGraw-Hill Inc., 1981

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Elektronika a sdělovací technika-bakalářský blok (compulsory elective course)
• Elektronika a sdělovací technika-bakalářský blok (compulsory elective course)