Detail publikačního výsledku

Fast Implementation Of Harmonic Transform

TRZOS, M.; LADHE, H.

Originální název

Fast Implementation Of Harmonic Transform

Anglický název

Fast Implementation Of Harmonic Transform

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

There are several methods of accurate representation of signals with time-varying frequency components (e.g. voiced speech). This paper focuses on the Harmonic Transform (HT) and its fast implementation using interpolation of the signal to approximate pulse-train spectrum. The HT requires a priori knowledge of fundamental frequency change. Estimation of this change has been addressed in several papers using spectral flatness. Interpolation in the fast implementation adds noise to the signal and spectral flatness no longer leads to correct estimation of the fundamental frequency change. This is addressed in the paper using gathered log-spectrum and grid search.

Anglický abstrakt

There are several methods of accurate representation of signals with time-varying frequency components (e.g. voiced speech). This paper focuses on the Harmonic Transform (HT) and its fast implementation using interpolation of the signal to approximate pulse-train spectrum. The HT requires a priori knowledge of fundamental frequency change. Estimation of this change has been addressed in several papers using spectral flatness. Interpolation in the fast implementation adds noise to the signal and spectral flatness no longer leads to correct estimation of the fundamental frequency change. This is addressed in the paper using gathered log-spectrum and grid search.

Klíčová slova

Gathered log-spectrum, Harmonic Transform, time-warped transform

Klíčová slova v angličtině

Gathered log-spectrum, Harmonic Transform, time-warped transform

Autoři

TRZOS, M.; LADHE, H.

Rok RIV

2014

Vydáno

02.07.2013

ISBN

978-1-4799-0402-0

Kniha

2013 36th International Conference on Telecommunications and Signal Processing

Edice

1

Strany od

498

Strany do

501

Strany počet

3

BibTex

@inproceedings{BUT100830,
  author="TRZOS, M. and LADHE, H.",
  title="Fast Implementation Of Harmonic Transform",
  booktitle="2013 36th International Conference on Telecommunications and Signal Processing",
  year="2013",
  series="1",
  pages="498--501",
  isbn="978-1-4799-0402-0"
}