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ICASSP
2008
IEEE
16 years 29 days ago
Maximum a posteriori ICA: Applying prior knowledge to the separation of acoustic sources
Independent component analysis (ICA) for convolutive mixtures is often applied in the frequency domain due to the desirable decoupling into independent instantaneous mixtures per ...
Graham W. Taylor, Michael L. Seltzer, Alex Acero
ICASSP
2008
IEEE
16 years 29 days ago
Human perception of synthetic character emotions in the presence of conflicting and congruent vocal and facial expressions
Audio-visual emotion expression by synthetic agents is widely employed in research, industrial, and commercial applications. However, the mechanism through which people judge the ...
Emily Mower, Sungbok Lee, Maja J. Mataric, Shrikan...
ICASSP
2008
IEEE
16 years 29 days ago
Fine-grained pitch accent and boundary tone labeling with parametric F0 features
Motivated by linguistic theories of prosodic categoricity, symbolic representations of prosody have recently attracted the attention of speech technologists. Categorical represent...
Sankaranarayanan Ananthakrishnan, Shrikanth Naraya...
ICASSP
2008
IEEE
16 years 29 days ago
Impact of automatic sentence segmentation on meeting summarization
This paper investigates the impact of automatic sentence segmentation on speech summarization using the ICSI meeting corpus. We use a hidden Markov model (HMM) for sentence segmen...
Yang Liu, Shasha Xie
ICASSP
2008
IEEE
16 years 29 days ago
Unsupervised optimal phoneme segmentation: Objectives, algorithm and comparisons
Phoneme segmentation is a fundamental problem in many speech recognition and synthesis studies. Unsupervised phoneme segmentation assumes no knowledge on linguistic contents and a...
Yu Qiao, Naoya Shimomura, Nobuaki Minematsu