ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
The concepts of modulation frequency along with modulation spectra are originally encountered in acoustics, speech and audio processing. The modulation spectrum, a function of aco...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
In this contribution we present a feature extraction method that relies on the modulation-spectral analysis of amplitude fluctuations within sub-bands of the acoustic spectrum by ...
TWC
2010
12 years 11 months ago
2010
Abstract-- This paper studies a statistical distribution of instantaneous power in pulse-shaped single-carrier (SC) modulation. Such knowledge is of significant importance to estim...
SPEECH
2011
12 years 11 months ago
2011
We describe a content based speech discrimination algorithm in broadcast news based on the time-varying information provided by the modulation spectrum. Due to the varying degrees...
SPEECH
2011
12 years 11 months ago
2011
In this paper our aim is to investigate the properties of the modulation domain and more specifically, to evaluate the relative contributions of the modulation magnitude and phas...
ICIP
2009
IEEE
13 years 2 months ago
2009
IEEE
For the first time, we demonstrate modulation domain image filters that achieve perceptually motivated image processing goals by directly manipulating the FM functions in a multi-...
VTC
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract-- In this contribution, we propose a novel Distributed Sourcecoding, Channel-coding and Modulation (DSCM) scheme for cooperative communications. The proposed DSCM scheme i...
SPEECH
2010
13 years 2 months ago
2010
In this paper we investigate the modulation domain as an alternative to the acoustic domain for speech enhancement. More specifically, we wish to determine how competitive the mo...
INFOCOM
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract— In conventional wireless systems with layered architectures, the physical layer treats all data streams from upper layers equally and apply the same modulation and codi...
TWC
2008
13 years 4 months ago
2008
Abstract-- Existing space-time codes have focused on multipleantenna systems with linear modulation schemes such as phaseshift keying and quadrature amplitude modulation. Continuou...