Course detail
Electroacoustics
FEKT-KELAAcad. year: 2012/2013
Acoustic environment, basic quantities and relations, energy transmitted by sound. Sound spectrum. Physiological acoustics, sound masking, directional and spatial hearing. Noise and its measurement, noise source identification. Room acoustics, room impulse response, acoustic materials. Electromechanical and electroacoustic analogy, types and operation principles of electroacoustic transducers. Classical and combined types of microphones, practical design and measurement of characteristics. Loudspeakers and headphones, acoustic impedance and distortion, mechanical design, horn-loaded loudspeakers. Loudspeaker systems, types of loudspeaker enclosures, design and construction of loudspeaker boxes and crossovers. Surround sound systems principles and formats. Stereo and multichannel techniques of sound pickup.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
- Lectures provide the explanation of basic principles, subject methodology, examples of problems and their solutions.
- Laboratory exercises support practical acquiring of themes presented at lectures. Active participation of students is needed.
Participation at lectures is recommended. Participation at other ways of instruction is checked.
Assesment methods and criteria linked to learning outcomes
Course curriculum
2. Physiological acoustics, subjective and objective characteristics of sound, sound masking and its utilization in audio compression algorithms. Directional and spatial hearing.
3. Laboratory practice.
4. Noise and its measurement. Room acoustics, acoustic wave trajectory, room impulse response, acoustic materials.
5. Electromechanical and electroacoustic analogy. Types and operation principles of electroacoustic transducers. Microphones, practical design and measurement of characteristics.
6. Laboratory practice.
7. Loudspeakers and headphones, acoustic impedance and distortion, horns. Loudspeaker systems, types of loudspeaker enclosures, crossovers.
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Recommended reading
Smetana, C. a kol. Hluk a vibrace, měření a hodnocení. Sdělovací technika, Praha 1998. ISBN 80-90-1936-2-5 (CS)
Sýkora, B. Stavíme reproduktorové soustavy, 1. – 48. díl. A Radio 10/97 - 9/2001 (CS)
Toman, K. Reproduktory a reprosoustavy, 1. díl. Dexon, 2003. (CS)
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
Physiological acoustics, subjective and objective characteristics of sound, sound masking and its utilization in audio compression algorithms. Directional and spatial hearing.
Noise and its measurement. Room acoustics, acoustic wave trajectory, room impulse response, acoustic materials.
Electromechanical and electroacoustic analogy. Types and operation principles of electroacoustic transducers. Microphones, practical design and measurement of characteristics.
Loudspeakers and headphones, acoustic impedance and distortion, horns. Loudspeaker systems, types of loudspeaker enclosures, crossovers.
Laboratory exercise
Teacher / Lecturer
Syllabus
Pistonphone calibration of electrostatic microphone, Measuring the frequency response of microphone, Measuring the impedance characteristic of loudspeaker, Measuring the frequency and directional response of loudspeaker