Signal Processing for Audio Technology

What it is about

You will learn fundamental techniques of digital audio signal processing for applications such as filtering, effects, dynamic processing, room and binaural synthesis, and real-time processing. In the end you will be able to understand these methods, implement them in MATLAB, and apply them practically to audio signals.

What you will be able to do

• Understand basic concepts of digital audio processing (sampling, z-transform, DFT)
• Apply real-time procedures using block-based convolution (overlap-add/overlap-save)
• Design and deploy IIR and FIR filters as well as equalizers
• Perform inverse filtering for frequency response equalization
• Understand and implement dynamics processors (compressor, limiter, multiband)
• Realize musical effects (echo, chorus, flanger, phaser, distortion, gating, wah-wah)
• Apply vocoding, time-stretching and pitch-shifting
• Use directional microphone beamforming and binaural techniques (HRTFs, room impulse responses)
• Implement room simulation and sound synthesis
• Use MATLAB confidently for implementing practical tasks

What the module consists of

• VorlesungVermittlung der theoretischen Grundlagen zu den genannten Themen
• PraktikumKleingruppenarbeit zur praxisnahen Implementierung ausgewählter Themen in MATLAB; Betreuung und Selbststudium

Teaching method

• Vorlesung mit NachbereitungZur Vermittlung der Theorie und zur Vorbereitung auf Übungen und Prüfung
• Praktikum mit ProgrammieraufgabenZur praktischen Erarbeitung der Methoden und zur Festigung von MATLAB-Kenntnissen
• Selbststudium von BegleitmaterialZur Vertiefung und Vorbereitung auf Übungen und Prüfung