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Lecturer(s)
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Course content
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1. Analog and digital signal sources and their technical parameters in a sound systems 2. Impedance and level matching of analog signal sources 3. Impedance and level matching of functional blocks in audio chain, coupled circuits, communication transformer 4. Interference effects in analog and digital audio signal transmission, electromagnetic and electrostatic induction 5. Balanced and unbalanced signal interfaces, technical parameters and methodology of their design, balanced receivers and transmitters 6. Balanced interfaces of analog and digital microphones, synchronization of digital microphones 7. Technical parameters of audio signals and equipment, signal levels, dynamic range, hw level indicators - PPM, TP-PPM, VU - analog/digital implementation, technical parameters 8. Measurement of loudness level, methods for peak and loudness signal normalization, technical parameters and implementation 9. Digital interfaces of audio equipment, sampling frequencies, methods for synchronization and sync signals, interface normalization 10. Sampling process and impact of jitter on digital audio signal transmission, transfer function of jitter, impact of interference on digital audio interfaces 11. Methods for source coding of audio signals, degradation of audio signals, audio codecs, perturbative artifacts of coding , objective methods for audio quality measurement of wideband audio signals 12. Listening systems - electroacoustic transducers and systems, requirements, technical parameters, measurement methods, methodology of their design, multichannel playback 13. AD, DA audio converters - topology and technical parameters, measurement techniques and equipment for sound systems measurement
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Learning activities and teaching methods
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Laboratory work, Lecture
- Attendance on a field trip (number of real hours - maximum 8h/day)
- 6 hours per semester
- Practical training (number of hours)
- 26 hours per semester
- Contact hours
- 20 hours per semester
- Preparation for an examination (30-60)
- 30 hours per semester
- Individual project (40)
- 22 hours per semester
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| prerequisite |
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| Knowledge |
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| be familiar with fundamentals of electronics |
| graduate bachelor level of education in electronics or multimedia specialization |
| explain the fundamentals of electroacoustic transducers |
| Skills |
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| use and understand technical literature written in English |
| use and set up the basic measurement devices in accordance to the technical documentation |
| Competences |
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| N/A |
| learning outcomes |
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| Knowledge |
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| explain purpose and working principle of analog and digital audio systems and their individual parts |
| describe parameters of signal sources |
| describe requirements of impedance and level matching is audio systems |
| give a definition of initial design conditions of analog and digital audio systems |
| describe analog and digital audio interfaces |
| determine methods of signal level and loudness measurement |
| describe issue of sampling process, impact of jitter and techniques of sampling frequency synchronization |
| explain issue of audio signals source coding |
| describe issue of electroacoustic transducers and systems |
| describe issue of AD DA audio converters and their application in audio systems |
| Skills |
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| operate optimally of analog and digital audio systems |
| perform routine maintenance, repair and configuration of analog and digital audio systems |
| diagnose of audio analog and digital audio systems |
| evaluate/verify technical parameters of analog and digital audio systems |
| define of technical requirements put on individual parts of audio systems |
| design of individual parts of analog and digital audio systems |
| Competences |
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| N/A |
| N/A |
| N/A |
| teaching methods |
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| Knowledge |
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| Multimedia supported teaching |
| Interactive lecture |
| Field trip |
| Task-based study method |
| Discussion |
| Project-based instruction |
| Skills |
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| Project-based instruction |
| Laboratory work |
| Task-based study method |
| Competences |
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| Field trip |
| Project-based instruction |
| Discussion |
| One-to-One tutorial |
| Self-study of literature |
| Task-based study method |
| Lecture with visual aids |
| assessment methods |
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| Knowledge |
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| Project |
| Continuous assessment |
| Skills demonstration during practicum |
| Combined exam |
| Skills |
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| Project |
| Skills demonstration during practicum |
| Continuous assessment |
| Combined exam |
| Competences |
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| Continuous assessment |
| Combined exam |
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Recommended literature
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Douglas Self. Audio Engineering Explained. ISBN 9780240812731.
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Smetana, C. a kol. Praktická elektroakustika.. SNTL Praha, 1981.
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Watkinson, John. The art of digital audio. Oxford : Focal Press, 2001. ISBN 0-240-51587-0.
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