Estimation of Modal Decay Parameters from Noisy Response Measurements

Karjalainen M, Ansalo P, Mäkivirta A, Peltonen T, Välimäki V. Estimation of Modal Decay Parameters from Noisy Response Measurements. J Audio Eng Soc. 2002;50(11):867-878. Available from: https://aes.org/publications/elibrary-page/?id=11059

@article{Karjalainen2002_11059,
  author = {Karjalainen, Matti and Ansalo, Poju and Mäkivirta, Aki and Peltonen, Timo and Välimäki, Vesa},
  title = {{Estimation of Modal Decay Parameters from Noisy Response Measurements}},
  journal = {Journal of the Audio Engineering Society},
  volume = {50},
  number = {11},
  pages = {867--878},
  year = {2002},
  month = nov,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=11059}
}

TY  - JOUR
TI  - Estimation of Modal Decay Parameters from Noisy Response Measurements
AU  - Karjalainen, Matti
AU  - Ansalo, Poju
AU  - Mäkivirta, Aki
AU  - Peltonen, Timo
AU  - Välimäki, Vesa
T2  - Journal of the Audio Engineering Society
J2  - J. Audio Eng. Soc.
VL  - 50
IS  - 11
SP  - 867
EP  - 878
PY  - 2002
DA  - 2002/11/06
UR  - https://aes.org/publications/elibrary-page/?id=11059
PB  - Audio Engineering Society
LA  - en
AB  - The estimation of modal decay parameters from noisy measurements of reverberant and resonating systems is a common problem in audio and acoustics, such as in room and concert hall measurements or musical instrument modeling. Reliable methods to estimate the initial response level, decay rate, and noise floor level from noisy measurement data are studied and compared. A new method, based on the nonlinear optimization of a model for exponential decay plus stationary noise floor, is presented. A comparison with traditional decay parameter estimation techniques using simulated measurement data shows that the proposed method outperforms in accuracy and robustness, especially in extreme SNR conditions. Three cases of practical applications of the method are demonstrated.
ER  -