Theory and Real-Time Implementation of Time Varying Digital Audio Filters

Mourjopoulos JN, Kyriakis-Bitzaros ED, Goutis EE. Theory and Real-Time Implementation of Time Varying Digital Audio Filters. In: AES Convention 86. Audio Engineering Society; 1989. Paper 2773. Available from: https://aes.org/publications/elibrary-page/?id=5921

@inproceedings{Mourjopoulos1989_5921,
  author = {Mourjopoulos, John N. and Kyriakis-Bitzaros, E. D. and Goutis, E. E.},
  title = {{Theory and Real-Time Implementation of Time Varying Digital Audio Filters}},
  booktitle = {AES Convention 86},
  note = {Paper 2773},
  year = {1989},
  month = mar,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=5921}
}

TY  - CPAPER
TI  - Theory and Real-Time Implementation of Time Varying Digital Audio Filters
AU  - Mourjopoulos, John N.
AU  - Kyriakis-Bitzaros, E. D.
AU  - Goutis, E. E.
T2  - AES Convention 86
M1  - Paper 2773
PY  - 1989
DA  - 1989/03/06
UR  - https://aes.org/publications/elibrary-page/?id=5921
PB  - Audio Engineering Society
LA  - en
AB  - Digital audio filters whose parameters vary with time are analyzed according to the Time-Varying filter theory. Such a theory allows for recursive filter realization using finite order difference equations with time-varying coefficients. With this approach, the errors occurring during parameter transitions can be evaluated. It was found that such errors were significant for abrupt variation in filter parameters. A real-time microprocessor implementation for such a filter is also presented. Using a novel test, the real-time output of the varying filter was evaluated, so that perceived filter transition discontinuities could be detected.
ER  -