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» Spectral Audio Signal Processing
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ICASSP
2011
IEEE
12 years 11 months ago
Robust hyperspectral signal unmixing in the presence of correlated noise
Hyperspectral imaging analysis aims at the estimation of the number of constituent substances, known as endmembers, their spectral signatures as well as their abundance fractions ...
Masoud Farzam, Soosan Beheshti
ICASSP
2010
IEEE
13 years 7 months ago
Voice activity detection using harmonic frequency components in likelihood ratio test
This paper proposes a new statistical model-based likelihood ratio test (LRT) VAD to obtain reliable speech / non-speech decisions. In the proposed method, the likelihood ratio (L...
Lee Ngee Tan, Bengt J. Borgstrom, Abeer Alwan
ICASSP
2011
IEEE
12 years 11 months ago
Analysis-synthesis based speech enhancement with improved spectrum envelope estimation by tracking speech dynamics
This paper presents a Kalman tracking approach to re-estimate clean spectral amplitude from noisy speech spectrum for re-synthesis based speech enhancement. The motivation of usin...
Ruofei Chen, Cheung-Fat Chan
ICASSP
2009
IEEE
14 years 2 months ago
A modified distortion metric for audio coding
Current audio coding standards employ the modified discrete cosine transform (MDCT) where overlapped frames of audio are windowed and transformed to the frequency domain. Encodin...
Vinay Melkote, Kenneth Rose
ICASSP
2008
IEEE
14 years 2 months ago
Imaging concert hall acoustics using visual and audio cameras
Using a recently developed real time audio camera, that uses the output of a spherical microphone array beamformer steered in all directions to create central projection to create...
Adam O'Donovan, Ramani Duraiswami, Dmitry N. Zotki...