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Comparison of Real-Time Syntheses of Band-Limited Periodic Digital Audio Signals

SCHIMMEL, J., SERRA, J., P. Comparison of Real-Time Syntheses of Band-Limited Periodic Digital Audio Signals. In Proceedings of 6th International Conference on Teleinformatics ICT 2011. Brno: VUT v Brně, 2011. p. 197-202. ISBN: 978-80-214-4231-3.
Type
conference paper
Language
English
Authors
Schimmel Jiří, doc. Ing., Ph.D., UTKO (FEEC)
and others
Abstract

This paper presents and compares methods of digital audio signals synthesis with band-limited frequency spectrum, i.e. without the aliasing distortion. The methods are compared from the point of view of the real-time parameter changes such as change of duty cycle of rectangular waveform or continuous change of frequency. Furthermore, most effective methods - successive integration of band-limited impulse train and method of differentiated parabolic waveforms, are then compared from the point of view of the aliasing distortion products and computational complexity. These methods were integrated into a VST plug-in that generates an audio signal in real time.

Keywords

Signal synthesis, Signal processing algorithms, Acoustic waves, Music.

Published
2011
Pages
197–202
Proceedings
Proceedings of 6th International Conference on Teleinformatics ICT 2011
Conference
6th International Conference on Teleinformatics - ICT 2011
ISBN
978-80-214-4231-3
Publisher
VUT v Brně
Place
Brno
BibTeX
@inproceedings{BUT32677,
  author="Jiří {Schimmel}",
  title="Comparison of Real-Time Syntheses of Band-Limited Periodic Digital Audio Signals",
  booktitle="Proceedings of 6th International Conference on Teleinformatics ICT 2011",
  year="2011",
  pages="197--202",
  publisher="VUT v Brně",
  address="Brno",
  isbn="978-80-214-4231-3"
}
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