| 1. | Course Title | Digital Audio Processing | |||||||||||
| 2. | Code | 4ФЕИТ05008 | |||||||||||
| 3. | Study program | 10-DPSM | |||||||||||
| 4. | Organizer of the study program (unit, institute, department) | Faculty of Electrical Engineering and Information Technologies | |||||||||||
| 5. | Degree (first, second, third cycle) | Second cycle | |||||||||||
| 6. | Academic year/semester | I/1 | 7. | Number of ECTS credits | 6.00 | ||||||||
| 8. | Lecturer | Dr Branislav Gerazov | |||||||||||
| 9. | Course Prerequisites | ||||||||||||
| 10. | Course Goals (acquired competencies):
The goal of the course program is to allow students to acquire a wide knowledge of the techniques for the analysis, synthesis and recognition of audio signals. It is designed to bring close the various approaches and applications of digital audio processing through studying the state-of-the-art. |
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| 11. | Course Syllabus:
1. Fundamentals of digital audio, principles of digitisation, oversampling, jitter 2. Working with audio signals in the digital domain; quantisation, dither, noise shaping. 3. Fourier transform, Z-transform, amplitude and phase spectrum. 4. Sliding window method, short time Fourier transform (STFT), spectrograms. 5. Fundamentals of digital filters, filtering, FIR, IIR, FIR filter design. 6. LP, HP, BP, BS, and Notch filters, filterbanks, equalisation. 7. Digital audio effects in time domain: delays, echo, reverberation, AP filters, distortion, flange, chorus. 8. Digital audio effects in transform domain: tremolo, vibrato, wah-wah, phaser, robotisation, vocoding. 9. Audio compression, basics of psychoacoustics, masking, critical bands, MP3, AAC. 10. Compression of speech, basics of speech production, LP analysis; LP10, CELP, VOCODER. 11. Machine learning for audio signals, sound source recognition, sound event detection, feature extraction, MFCCs. 12. Modelling audio data, GMM, ЕМ, UBM, LLRM. 13. Musical instrument synthesis, concatenation, autoencoders. |
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| 12. | Learning methods:
Combined learning: lectures with slides and visualisations and independent work on projects. |
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| 13. | Total number of course hours | 180 | |||||||||||
| 14. | Distribution of course hours | 3 + 3 | |||||||||||
| 15. | Forms of teaching | 15.1 | Lectures-theoretical teaching | 45 hours | |||||||||
| 15.2 | Exercises (laboratory, practice classes), seminars, teamwork | 45 hours | |||||||||||
| 16. | Other course activities | 16.1 | Projects, seminar papers | 30 hours | |||||||||
| 16.2 | Individual tasks | 30 hours | |||||||||||
| 16.3 | Homework and self-learning | 90 hours | |||||||||||
| 17. | Grading | ||||||||||||
| 17.1 | Exams | 0 points | |||||||||||
| 17.2 | Seminar work/project (presentation: written and oral) | 50 points | |||||||||||
| 17.3. | Activity and participation | 20 points | |||||||||||
| 17.4. | Final exam | 30 points | |||||||||||
| 18. | Grading criteria (points) | up to 50 points | 5 (five) (F) | ||||||||||
| from 51 to 60 points | 6 (six) (E) | ||||||||||||
| from 61 to 70 points | 7 (seven) (D) | ||||||||||||
| from 71 to 80 points | 8 (eight) (C) | ||||||||||||
| from 81 to 90 points | 9 (nine) (B) | ||||||||||||
| from 91 to 100 points | 10 (ten) (A) | ||||||||||||
| 19. | Conditions for acquiring teacher’s signature and for taking final exam | Attendance to lectures. | |||||||||||
| 20. | Forms of assessment | Project assignment and final exam. | |||||||||||
| 21. | Language | Macedonian and English | |||||||||||
| 22. | Method of monitoring of teaching quality | Surveys, interviews and self-evaluation. | |||||||||||
| 23. | Literature | ||||||||||||
| 23.1. | Required Literature | ||||||||||||
| No. | Author | Title | Publisher | Year | |||||||||
| 1. | Udo Zölzer | Digital Audio Signal Processing | Wiley | 2008 | |||||||||
| 2. | Andreas Spanias, Ted Painter, Venkatraman Atti | Audio Signal Processing and Coding | Wiley-Interscience | 2007 | |||||||||
| 23.2. | Additional Literature | ||||||||||||
| No. | Author | Title | Publisher | Year | |||||||||
| 1. | Cox, Trevor J., Li, Francis F | Digital signal processing in audio and acoustical engineering | CRC Press | 2019 | |||||||||
| 2. | Udo Zölzer | DAFX: Digital Audio Effects | Wiley | 2011 | |||||||||
| 3. | Julius O. Smith III | Spectral Audio Signal Processing | W3K Publishing | 2011 | |||||||||
