Lecture "Digital Audio Effects"

Basic Information

Lecturers:   Klaus Linhard  (lecture and exercise)
Room:   Builing F, room F-SR-II (in the first week), building F, room F-SR-III (in the second week), and PC lab in building B (in the second week).
Language:   English
Target group:   Students in electrical engineering and computer engineering
Prerequisites:   Previous knowledge about digital signal processing and linear systems. Some experience with MATLAB is useful, but not mandatory.
Contents:  

Students attending this lecture should be able to implement efficient and robust signal processing structures. Knowledge about moving from the analog to the digital domain and vice versa including the involved effects (and trap doors) should be acquired. Also differences (advantages and disadvantages) between time and frequency domain approaches should be learnt.

Topic overview:

  • Digital signal processing - summary
    • Ordered sequences of numbers
    • Difference equations
    • Linear systems
  • Frequency-domain processing - summary
    • Discrete Fourier transform
    • Fast convolution
    • Transfer functions and spectra
  • Introduction to MATLAB and motivation
  • Digital filters
    •  A,B,C,R468 weighting filters
    • Equalizer
    • Sampling rate conversion
  • Dynamic compression
    • Fullband
    • Multiband
    • De-esser
  • Room acoustics and reverberation
    • Impulse response
    • Reverberation
References:  

Zölzer, U.: Digital Audio Effects, John Wiley & Sons, 2011
Zölzer, U.: Digital Audio Signal Processing, John Wiley & Sons, 2008
Zölzer, U.: Digitale Audiosignalverarbeitung, Vieweg+Teubner Verlag, 2005
Smith, J.O.: Introduction to Digital Filters: with Audio Applications, W3K Publishing, 2007
Smith, J.O.: Mathematics of the Discrete Fourier Transform (DFT): with audio Applications, De Gruyter Saur, 2013
Smith, J.O.: Spectral Audio Signal Processing, W3K Publishing, 2011
Dickreiter, M.: Handbuch der Tontechnik, De Gruyter Saur, 2013

Dates

Below you can find the schedule of the lecture and exercises of the blockcourse.

Date   Room   Time   Topic
13.08.2018   F-SR-III   08:30 h - 11:00   Lecture 1  
13.08.2018   F-SR-III   13:30 h - 16:00   Lecture 2  
14.08.2018   F-SR-III   08:30 h - 11:00   Lecture 3  
14.08.2018   F-SR-III   13:30 h - 16:00   Lecture 4  
15.08.2018   F-SR-III   08:30 h - 11:00   Lecture 5  
15.08.2018   F-SR-III   13:30 h - 16:00   Lecture 6  
20.08.2018   F-SR-III   08:30 h - 11:00   Lecture 7  
20.08.2018   F-SR-III   13:30 h - 16:00   Lecture 8  
21.08.2018   F-SR-III    08:30 h - 11:00   Exercise 1  
21.08.2018   F-SR-III    13:30 h - 16:00   Exercise 2  
22.08.2018   F-SR-III    08:30 h - 11:00   Exercise 3  
22.08.2018   F-SR-III    13:30 h - 16:00   Exercise 4  

 

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Exams

Below is the list of students with their exam dates. If you do not have a date for the exam yet please write an e-mail with your matriculation number to This email address is being protected from spambots. You need JavaScript enabled to view it. to request a date. Dates are usually not set before the block course begins.

Date   Time   Students (matriculation numbers)   Assessor
xx.xx.2018   xx:xx h        

 

Website News

07.07.2018: New lecture Fundamentals of Acoustics by Jan Abshagen added.

03.03.2018: Team wall added.

28.02.2018: News wall added.

20.01.2017: Talk from Dr. Sander-Thömmes added.

12.01.2018: New RED section on Trend Removal added.

Recent Publications

T. O. Wisch, T. Kaak, A. Namenas, G. Schmidt: Spracherkennung in stark gestörten Unterwasserumgebungen, Proc. DAGA, Germany, 2018

S. Graf, T. Herbig, M. Buck, G. Schmidt: Low-Complexity Pitch Estimation Based on Phase Differences Between Low-Resolution Spectra, Proc. Interspeech, pp. 2316 -2320, 2017

Contact

Prof. Dr.-Ing. Gerhard Schmidt

E-Mail: gus@tf.uni-kiel.de

Christian-Albrechts-Universität zu Kiel
Faculty of Engineering
Institute for Electrical Engineering and Information Engineering
Digital Signal Processing and System Theory

Kaiserstr. 2
24143 Kiel, Germany

Recent News

New Lecture - Fundamentals of Acoustics

Starting this winter term the DSS group offers a new lecture entiteled "Fundamentals of Acoustcs". The lecture is given by Dr. Jan Abshagen (see picture). It will be a 3+1 lecture which takes place once a week. The lecture will cover the following topics:

  • fundamentals of vibrations,
  • theory of sound fields,
  • sound and systems,
  • transducers,
  • sound-structure interaction,
  • ship acoustics,
  • ...

Read more ...
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