TY - GEN
T1 - An Approximate Bayesian Fundamental Frequency Estimator
AU - Nielsen, Jesper Kjær
AU - Christensen, Mads Græsbøll
AU - Jensen, Søren Holdt
PY - 2012/3
Y1 - 2012/3
N2 - Joint fundamental frequency and model order estimation is an important problem in several applications such as speech and music processing. In this paper, we develop an approximate estimation algorithm of these quantities using Bayesian inference. The inference about the fundamental frequency and the model order is based on a probability model which corresponds to a minimum of prior information. From this probability model, we give the exact posterior distributions on the fundamental frequency and the model order, and we also present analytical approximations of these distributions which lower the computational load of the algorithm. By use of simulations on both a synthetic signal and a speech signal, the algorithm is demonstrated to be more accurate than a state-of-the-art maximum likelihood-based method.
AB - Joint fundamental frequency and model order estimation is an important problem in several applications such as speech and music processing. In this paper, we develop an approximate estimation algorithm of these quantities using Bayesian inference. The inference about the fundamental frequency and the model order is based on a probability model which corresponds to a minimum of prior information. From this probability model, we give the exact posterior distributions on the fundamental frequency and the model order, and we also present analytical approximations of these distributions which lower the computational load of the algorithm. By use of simulations on both a synthetic signal and a speech signal, the algorithm is demonstrated to be more accurate than a state-of-the-art maximum likelihood-based method.
UR - http://www.scopus.com/inward/record.url?scp=84867619223&partnerID=8YFLogxK
U2 - 10.1109/ICASSP.2012.6288947
DO - 10.1109/ICASSP.2012.6288947
M3 - Article in proceeding
SN - 978-1-4673-0045-2
T3 - I E E E International Conference on Acoustics, Speech and Signal Processing. Proceedings
SP - 4617
EP - 4620
BT - 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
PB - IEEE Press
T2 - 2012 IEEE International Conference on Acoustics, Speech and Signal Processing
Y2 - 25 March 2012 through 30 March 2012
ER -