Audio Technology

Přednášející:

František Rund, František Kadlec (gar.), Libor Husník

Cvičící:

František Rund, František Kadlec (gar.), Libor Husník

Předmět zajišťuje:

katedra radioelektroniky

Anotace:

The course deals with topics from electro acoustics, sound reinforcement, related signal processing in conjunction with psychoacoustic aspects. It prepares experts for studio practice, design of sound reinforcement and specialized field in signal processing.

Požadavky:

see https://moodle.kme.fel.cvut.cz

Osnova přednášek:

1. Electromechanical and electroacoustic transducers with magnetic field

2. Electromechanical and electroacoustic transducers with electric field

3. Acoustic transmitters and receivers

4. Vibrating systems and their modeling

5. Calibration of transducers and other electroacoustic measurements

6. Propagation of sound in closed spaces

7. Sound reinforcement of small and big rooms

8. Acquisition, preprocessing and recording of audio signals

9. Analysis of acoustic signals in time and frequency domain

10. Measurement and analysis of linear electroacoustic systems

11. Measurement and analysis of electroacoustic systems with non-linearities

12. Principles of audio signal compression, psychoacoustic and technical aspects

13. Sound signal compression systems, lossless vs. lossy. FLAC, APE, MPEG, ATRAC

14. 3D sound recording, processing and reproduction

Osnova cvičení:

1. Modeling and design of electroacoustic transducer

2. Measurement of parametres of the electrodynamic loudspeaker

3. Measurement of eigenfrequencies of a closed space

4. Auditory tests (physiological, psychological and musical acoustics)

5. Electrostatic calibration of a microphone

6. Acoustic systems modeling

7. Measurement of the piezoelectric transducer

8. Acoustic signal pickup, preprocessing and recording

9. Analysis of recorded signals, postprocessing and playback of audio signals

10. Design, generation and analysis of test audio signals

11. Transfer-function measurements of electroacoustic systems using MLS signals

12. Analysis of audio systems with non-linearities using swept signals

13. Compression of audio signals. MPEG-Audio, ATRAC, SBR.

14. Evaluation of compressed audio signals from psychoacoustic point of view

Cíle studia:

Students learn principles of electroacoustic system analysis, audio signal processing related to hearing

Studijní materiály:

1. Škvor, Zd.: Vibrating Systems and Their Equivalent Circuits. Elsevier Sc. Publ. 1991

2. Kahrs, M.- Brandenburg, K.: Applications of Digital Signal Processing to Audio and Acoustics. Boston: Kluwer Academic Publishers. 1998.

3. Hartmann, W.: Signals, Sound, and Sensation. Woodbury: American Institute of Physics. 1997.

4. Talbot-Smith, M.: Audio Engineer?s Reference Book. Oxford: Focal Press. 2002.

Poznámka:

Rozsah výuky v kombinované formě studia: 14+6L

Rozvrh na zimní semestr 2011/2012:

Rozvrh není připraven

Rozvrh na letní semestr 2011/2012:

	06:00–08:0008:00–10:0010:00–12:0012:00–14:0014:00–16:0016:00–18:0018:00–20:0020:00–22:0022:00–24:00
Po
Út
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Čt	místnost T2:B3-554 Husník L. Rund F. 09:15–10:45 (přednášková par. 1 paralelka 101) Dejvice Laboratoř K337místnost J5:347a Husník L. Kadlec F. 14:30–16:00 (přednášková par. 1) Dejvice Cvicebna
Pá

Předmět je součástí následujících studijních plánů:

• Communications, Multimedia and Electronics - Multimedia Technology (povinný předmět oboru)