Digital Video and Audio Broadcasting

Vztahy:

Podmínkou zápisu na předmět BE2M37DTRA je, že student si nejpozději ve stejném semestru zapsal příslušný počet předmětů ze skupiny BEZBM

Garant předmětu:

Přednášející:

Cvičící:

Předmět zajišťuje:

katedra radioelektroniky

Anotace:

The subject makes students familiar with topics related to video and audio transmission. Described are methods of data stream creation, methods of source and channel coding, error correction principles and modulation formats. Attention is paid to transmission systems standards with regard to transmission channel properties. The subject also deals with multimedia data services and with measurement in transmission systems.

Požadavky:

Fundamental knowledge in the field of signal processing (especially audio and video). Fundamental knowledge in the field of wireless communication (modulation, radio components, systems).

Osnova přednášek:

1. Overview of video broadcasting systems developments. Fundamental specifications of digital audio and video broadcasting systems.

2. Audio and video information content.

3. Video source coding methods.

4. Audio source coding methods. Program stream multiplex and transport stream multiplex.

5. Audio video signal quality assessment.

6. Overview of audio broadcasting systems developments, stereo broadcasting.

7. Fundamentals of signal transmission, basic properties of transmission channel.

8. Error protection in digital audio and video broadcasting systems, convolutional and block codes, multilevel protection.

9. Modulation techniques in digital audio and video broadcasting systems. Single frequency network.

10. Modern standards of digital audio and video broadcasting.

11. Data services in digital audio and video broadcasting systems.

12. Video streaming. IPTV.

13. Networks of transmitters for broadcasting vs. cellular networks for mobile communication. Advantages and disadvantages with regard to audiovisual content transmission.

14. Alternate term.

Osnova cvičení:

SEMINARS:

1. Excursion - source processing of audio and video signals, broadcasting.

2. Excursion - source processing of audio and video signals, broadcasting.

MEASUREMENT:

3. Introduction to laboratory, occupational health and safety.

4. Signal sampling and reconstruction, sampling theorem.

5. Measurement of audio signal loudness, dynamic processing of audio signal.

6. Measurement on stereo coder for audio broadcasting.

7. Analysis of transport stream multiplex of digital video broadcasting.

8. Measurement on digital video broadcasting system with a test receiver.

9. Measurement of digital video signal with portable analyzer.

10. Measurement on transmitter of digital video broadcasting, RF signal parameters.

11. Quality assessment of television image in digital video broadcasting system.

12. Measurement of bit error ratio in digital video broadcasting, comparison of first and second system generations.

13. Alternate term.

14. Assessment.

Cíle studia:

Studijní materiály:

1. FISCHER, W. Digital Video and Audio Broadcasting Technology. Heidelberg: Springer, 2010. 811 s. ISBN 978-3-642-11611-7

2. REIMERS, U. DVB: the family of international standards for digital video broadcasting. 2nd ed. Berlin: Springer, 2005. ISBN 354043545X.

Poznámka:

Další informace:

https://moodle.fel.cvut.cz/course/BE2M37DTRA

Pro tento předmět se rozvrh nepřipravuje

Předmět je součástí následujících studijních plánů:

• Electronics and Communications - Audiovisual Technology and Signal Processing (povinně volitelný předmět)
• Electronics and Communications - Radio Systems (povinně volitelný předmět)