Transmission of Audio Signal

Data is displayed for the academic year: 2024./2025.

Lecturers

Prof.
Kristian Jambrošić
PhD
Prof.
Antonio Petošić
PhD

Course Description

Basic radiodifusion principls. Analog amplitude modulation and frequency modulation principles and digital transmitting systems. Transfer of sound and additional signals in mobile communication networks. Define basic parameters in technological spaces where sound is produced

Prerequisites

To successfully follow the course, knowledge acquired in the courses Mathematical Analysis 1, Physics and Fundamentals of Electrical Engineering from the first year of undergraduate studies at FER, or equivalent courses from other studies, is required.

Study Programmes

University graduate
[FER3-HR] Audio Technologies and Electroacoustics - profile
Elective Courses (2. semester)
Elective Courses of the Profile (2. semester)
[FER3-HR] Communication and Space Technologies - profile
Elective Courses (2. semester)
[FER3-HR] Computational Modelling in Engineering - profile
Elective Courses (2. semester)
[FER3-HR] Computer Engineering - profile
Elective Courses (2. semester)
[FER3-HR] Computer Science - profile
Elective Courses (2. semester)
[FER3-HR] Control Systems and Robotics - profile
Elective Courses (2. semester)
[FER3-HR] Data Science - profile
Elective Courses (2. semester)
[FER3-HR] Electrical Power Engineering - profile
Elective Courses (2. semester)
[FER3-HR] Electric Machines, Drives and Automation - profile
Elective Courses (2. semester)
[FER3-HR] Electronic and Computer Engineering - profile
Elective Courses (2. semester)
[FER3-HR] Electronics - profile
Elective Courses (2. semester)
[FER3-HR] Information and Communication Engineering - profile
Elective Courses (2. semester)
[FER3-HR] Network Science - profile
Elective Courses (2. semester)
[FER3-HR] Software Engineering and Information Systems - profile
Elective Courses (2. semester)

Learning Outcomes

  1. define basic parameters of radiobroadcasting systems
  2. distinguish analog radiobroadcasting systems based on amplitude and frequency modulation
  3. analyze digitalization steps of audiosignal depending on chosen sampling frequency and quantization interval
  4. compare basic principles of audiocoding
  5. summarize transfer of sound signal in 5G network
  6. define basics parameters which determine acoustic quality of studios and management rooms
  7. indicate basic differences between present systems for digital radiobroadcasting

Forms of Teaching

Lectures

Lecturing are on weekly basis with theoretical concepts of analog and digital communication systems for transferring audio data.

Exercises

Practical tasks connected with quality of audio signal transfer

Independent assignments

Projecting of electronic circuits for transferring audio data.

Laboratory

Laboratory exercises on basic circuits and software defined radio. Measurements on receivers.

Grading Method

Continuous Assessment Exam
Type Threshold Percent of Grade Threshold Percent of Grade
Laboratory Exercises 80 % 20 % 80 % 20 %
Attendance 0 % 5 % 0 % 5 %
2. Mid Term Exam: Written 0 % 30 % 0 %
Final Exam: Written 30 % 30 %
Final Exam: Oral 15 %
Exam: Written 50 % 80 %
Exam: Oral 20 %

Week by Week Schedule

  1. Technology of audio studios and control rooms for audio broadcasting
  2. Radio station management; Technological spaces for recording, controlling and storage of audio material
  3. AM radio
  4. FM radio
  5. Digital modulation principles and systems for digital radio broadcasting
  6. Channel coding for audio transmission
  7. Audio quality; Channel coder quality
  8. Midterm exam
  9. Quality of digital radio broadcasting systems
  10. Estimating quality of audio signal transfer by measurements and modelling
  11. Digital Audio Broadcasting;
  12. Internet radio
  13. Models for estimating quality of audio signals in transmission networks
  14. Noise in digital radio broadcasting communication systems
  15. Final exam

Literature

(.), Domitrović, Jambrošić, Petošić: Prijenos zvuka, Element,
(.), E.A. Lee, D.G, Messerschmidt: Digital Communications,

General

ID 222711
  Summer semester
5 ECTS
L2 English Level
L3 e-Learning
45 Lectures
0 Seminar
15 Exercises
10 Laboratory exercises
0 Project laboratory
0 Physical education excercises

Grading System

90-100 Excellent
76-89 Very Good
61-75 Good
51-60 Sufficient

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