Teacher: Petr Pollák, E-mail: pollak@feld.cvut.cz

SYLLABUS OF THE SUBJECT

1. Brief summary on digital filtering
   FIR and IIR filters, structures and main features, filter design and filtration in MATLAB
   References: [1], [4], [5]
2. Spectral Analysis and Signal Processing in Frequency-Domain
   DFT (FFT), main fetures, Power Spectral Density (PSD) estimation, OLA method, filtration in frequency-domain
   References: [1], [2], [5], [4]
3. Multi-Channel Signal Processing
   Correlation and coherence analysis, time delay estimation
   References: [2], [4], [5]
4. Parametric Metods of DSP
   Linear prediction, AR, MA, and ARMA signal models, estimation of AR model parameters (LPC analysis), spectral analysis based on LPC, speech coding
   References: [2], [3], [4], [5]
5. Cepstral Analysis
   Real and complex cepstrum, homomorfic deconvolution of speech, LPC cepstrum, Cepstral distance and its application
   References: [1], [2], [4], [5]
6. Signal and Noise
   Noise robustness of DFT and LPC, noise suppression systems
   References:

TASK SCHEDULE

1. Filter Design and Digital Filtering in MATLAB
   Delivery date: Monday - 4 Apr 2005
2. Basic Overview on DFT Properties
   Delivery date: Monday - 11 Apr 2005
3. Estimation of Power Spectral Density
   Delivery date: Monday - 18 Apr 2005
4. Correlation analysis
   Delivery date: Monday - 2 May 2005
5. LPC analysis (AR models)
   Preliminary study of literature [2],[3]: Monday - 9 May 2005
   Delivery date: Monday - 16 May 2005

EXAMINATION : Monday - 30 May 2005
Requirements:
- All above discussed tasks are finished - presentation of results in MATLAB will be checked during whole semester.
- Basic knowledges given by realized projects - will be checked by short discussion.

1. OLA, Filtration in the Frequency-Domain
   1st discussion:
   Delivery date:
2. OLA, Noise suppression using spectral subtraction
   Delivery date:
3. Robustness of LPC analysis
   Delivery date:
4. Cepstral analysis
   Delivery date:

REFERENCES

[1] Oppenheim, Schafer: Discrete-Time Signal Processing. Prentice-Hall 1990

[2] Rabiner, Schafer: Digital Processing of Speech Signals. Prentice-Hall 1978

[3] Markel, Gray: Linear Prediction of Speech. Springer-Verlag, 1976

[4] The MathWorks: MATLAB User's and Reference Guides.

[5] The MathWorks: Signal Processing Toolbox - User's Guide.