13651 search results - page 104 / 2731 » Spectral analysis of data |
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
In this paper we propose a nonparametric hypothesis test for stationarity based on local Fourier analysis. We employ a test statistic that measures the variation of time-localized...
INTERSPEECH
2010
13 years 4 months ago
2010
Automatic pronunciation assessment has several difficulties. Adequacy in controlling the vocal organs is often estimated from the spectral envelopes of input utterances but the en...
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
— The use of constant-power, rate-adaptive M-QAM transmission with an amplify-and-forward cooperative system is proposed. The upper bound expressions are derived for the outage p...
GMP
2010
IEEE
14 years 2 months ago
2010
IEEE
In this work, we study the spectra and eigenmodes of the Hessian of various discrete surface energies and discuss applications to shape analysis. In particular, we consider a physi...
INTERSPEECH
2010
13 years 4 months ago
2010
The Lombard effect refers to the speech changes due to the immersion of the speaker in a noisy environment. Among these changes, studies have already reported acoustic modificatio...