Computer Music 20\21

Table of Contents

Summary

The course of Computer Music [6 CFU] is part of the BSc Course in Computer Science of the Department of Mathematics and Computer Science of the University of Catania, Italy.

I taught this course in the A.Y. 2020\21.

Previous editions of this course are available in the following pages: A.Ys. 2019\20 , 2018\19 .

Syllabus

  • Acoustic
    • Definition of sound.
    • Sound propagation in the air.
    • Sound properties.
    • Pure sinusoids combinations.
    • Width-Frequency representation.
    • Harmonic contents in waveforms.
    • Waveforms.
    • Sound envelope.
    • Sound behaviour.
    • Psycoacoustic.
  • Decibel
    • Decibel definition.
    • Decibel in audio context.
    • Inverse-square law.
    • Combinations of audio sources.
    • Electrical quantities in Decibel.
    • Standard Operating Level.
    • Dynamic Range.
    • Decibel measurers.
  • Equalizers and Filters
    • Equalizers.
    • Bells equalizers.
    • Shelving equalizers.
    • Parametric equalizers.
    • Graphic equalizers.
    • Low-pass and High-pass filters.
    • Filter slope.
    • Band-pass filters.
  • Effectes and Audio Processors
    • General principles.
    • Effects: reverb, delay, phaser, flanger, chorus, tremolo, and vibrato.
    • Audio signals processors: changer, exciter, wah-wah, compressor.
  • Noise
    • Narrow-band Noise (NBN).
    • Broadband Noise (BBN).
    • NBN reduction techniques.
    • BBN reduction techniques.
    • Noise reduction systems (NR): dolby A, dolby B, dolby C.
  • Musical notation and Computers
    • Musical notation.
    • Commercial editors.
    • Music XML.
  • Digital Audio
    • Sampling.
    • Quantization.
    • D/A Conversion.
    • Home recording.
    • Soundboards.
    • Audio compression.
  • Audio Formats
    • Most common formats
    • MP3
  • Some Application
    • Sonification
    • Speech-to-Text and Text-to-Speech

Teaching Material

The available Teaching Material may contain errors. It does not substitute any educational book. It should be used only as a support material during the learning process. Please, report any error by e-mail.

Material last updated on 15 January, 2021. Teaching material is available in English, under request ( some material is already available here ).

  • Lombardo, V., & Valle, A. (2014). Audio e Multimedia (IV ed.) Apogeo.
    • Chapters from 1 to 8
  • For international students: Kirk, R. & Hunt, A. (1999). Digital Sound Processing for Music and Multimedia Focal Press.

Suggested Readings

  • Cammarata, G. (2016). Acustica Applicata Available Online
  • Tarabella, L. (2014). Musica Informatica Apogeo.
  • Rocchesso, D. (2003). Sound Processing Available Online

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