The Equivalence of Various Methods of Computing Biquad Coefficients for Audio Parametric Equalizers

Bristow-Johnson R. The Equivalence of Various Methods of Computing Biquad Coefficients for Audio Parametric Equalizers. In: AES Convention 97. Audio Engineering Society; 1994. Paper 3906. Available from: https://aes.org/publications/elibrary-page/?id=6326

@inproceedings{BristowJohnson1994_6326,
  author = {Bristow-Johnson, Robert},
  title = {{The Equivalence of Various Methods of Computing Biquad Coefficients for Audio Parametric Equalizers}},
  booktitle = {AES Convention 97},
  note = {Paper 3906},
  year = {1994},
  month = nov,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=6326}
}

TY  - CPAPER
TI  - The Equivalence of Various Methods of Computing Biquad Coefficients for Audio Parametric Equalizers
AU  - Bristow-Johnson, Robert
T2  - AES Convention 97
M1  - Paper 3906
PY  - 1994
DA  - 1994/11/06
UR  - https://aes.org/publications/elibrary-page/?id=6326
PB  - Audio Engineering Society
LA  - en
AB  - Several authors have put forth design procedures for obtaining the coefficient values for second-order digital filters to be used as parametric equalizers or presence filters. Given the equalization parameters, these differing design methods, having greatly disparate degrees of complexity, compute the filter coefficients. This paper shows, with the possible exception of Q or bandwidth definition, all methods must be equivalent and the simplest method may be used. A method of computation is presented here in which the bandwidth is specified in octaves.
ER  -