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Course detail
FEKT-BPC-SI2Acad. year: 2024/2025
1. Random signals, processes and their characteristics
2. Spectral parameters, windowing functions
3. Discrete linear systems
4. Linear signal filtering. FIR filters
5. IIR filters, designs of digital filters
6. Signal representation and classification of real phenomena
7. Transformation and optimization of signal features
8. Linear prediction of signals
9. Machinery speech recognition
10. Identification of persons by voice
11. Time transformations, time axis warping
12. Cepstral analysis of signals
13. Voice analysis for security purposes
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Entry knowledge
Courses BPC-SI1, BPC-PP1, BPC-MA1, BPC-MA2 are required. Knowledge of the basics of systems and signal theory, mathematics at the bachelor's level and MATLAB.
Rules for evaluation and completion of the course
- written test focused on counting examples max. 10 points,
- tasks in computer exercises max. 20 points,
- final exam max. 70 points.
All exercises are mandatory. Missed exercises must be made up by the end of the semester.
Aims
The graduate of the course is familiar with deterministic and random signals, can perform signal filtering and understands voice technologies. The graduate is also able to solve practical tasks, i.e. choose and justify a suitable method and apply it.
Study aids
Prerequisites and corequisites
Basic literature
Recommended literature
Classification of course in study plans
Lecture
Teacher / Lecturer
Syllabus
12. Cepstral analysis of speech signals
Exercise in computer lab
1. Analysis of random signals
2. Generation of desired random signals
3. Detection of periodic signals
4. Generation of acoustic signals
5. Determination of variable period of signals
6. Determination of short-term spectrum
7. Shot detection using entropy
8. Individual projects – first part
9. Individual projects – second part
10. Analysis of window functions (weighting)
11. Analog filter design
12. Digital filter design
13. Compensation for missed hours
E-learning texts