19972019
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Research Output 1997 2019

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Article
2016

Robust source localization and enhancement with a probabilistic steered response power model

Traa, J., Wingate, D., Stein, N. D. & Smaragdis, P., Mar 2016, In : IEEE/ACM Transactions on Audio Speech and Language Processing. 24, 3, p. 493-503 11 p.

Research output: Contribution to journalArticle

Source Localization
Enhancement
Array processing
augmentation
Direction of arrival
2015

A state-space approach to dynamic nonnegative matrix factorization

Mohammadiha, N., Smaragdis, P., Panahandeh, G. & Doclo, S., Feb 15 2015, In : IEEE Transactions on Signal Processing. 63, 4, p. 949-959 11 p., 6996052.

Research output: Contribution to journalArticle

Factorization
Maximum likelihood estimation
Hidden Markov models
Kalman filters
Time series

Compositional models for audio processing: Uncovering the structure of sound mixtures

Virtanen, T., Gemmeke, J. F., Raj, B. & Smaragdis, P., Mar 1 2015, In : IEEE Signal Processing Magazine. 32, 2, p. 126-144 19 p., 7038275.

Research output: Contribution to journalArticle

Acoustic waves
Subtraction
Processing
Count
Non-negative
Source separation
Source Separation
Recurrent neural networks
Recurrent Neural Networks
Masks

Mixtures of local dictionaries for unsupervised speech enhancement

Kim, M. & Smaragdis, P., Mar 1 2015, In : IEEE Signal Processing Letters. 22, 3, p. 288-292 5 p., 6874558.

Research output: Contribution to journalArticle

Speech Enhancement
Speech enhancement
Glossaries
Non-negative Matrix Factorization
Factorization
2014

Multichannel source separation and tracking with RANSAC and directional statistics

Traa, J. & Smaragdis, P., Dec 1 2014, In : IEEE/ACM Transactions on Audio Speech and Language Processing. 22, 12, p. 2233-2243 11 p.

Research output: Contribution to journalArticle

Directional Statistics
Source separation
Source Separation
Phase Difference
Kalman filters

Static and dynamic source separation using nonnegative factorizations: A unified view

Smaragdis, P., Fevotte, C., Mysore, G. J., Mohammadiha, N. & Hoffman, M., May 2014, In : IEEE Signal Processing Magazine. 31, 3, p. 66-75 10 p., 6784107.

Research output: Contribution to journalArticle

Source separation
Source Separation
Factorization
Non-negative
Decomposition
2013

Privacy-preserving speech processing: Cryptographic and string-matching frameworks show promise

Pathak, M. A., Raj, B., Rane, S. & Smaragdis, P., Jan 1 2013, In : IEEE Signal Processing Magazine. 30, 2, p. 62-74 13 p., 6461630.

Research output: Contribution to journalArticle

Speech Processing
Speech processing
String Matching
Privacy Preserving
Authentication

Supervised and unsupervised speech enhancement using nonnegative matrix factorization

Mohammadiha, N., Smaragdis, P. & Leijon, A., Aug 8 2013, In : IEEE Transactions on Audio, Speech and Language Processing. 21, 10, p. 2140-2151 12 p., 2270369.

Research output: Contribution to journalArticle

Speech enhancement
Factorization
factorization
Hidden Markov models
augmentation
2012

The Markov selection model for concurrent speech recognition

Smaragdis, P. & Raj, B., Mar 15 2012, In : Neurocomputing. 80, p. 64-72 9 p.

Research output: Contribution to journalArticle

Speech recognition
Source separation
Computational complexity
2011

Missing data imputation for time-frequency representations of audio signals

Smaragdis, P., Raj, B. & Shashanka, M., Dec 1 2011, In : Journal of Signal Processing Systems. 65, 3, p. 361-370 10 p.

Research output: Contribution to journalArticle

Imputation
Missing Data
Frequency Domain
Time Domain
Acoustics
2010

Automatic identification of individual killer whales

Brown, J. C., Smaragdis, P. & Nousek-McGregor, A., Sep 1 2010, In : Journal of the Acoustical Society of America. 128, 3, p. EL93-EL98

Research output: Contribution to journalArticle

whales
Vocalization
Hidden Markov Model
Residents
2009

Dynamic range extension using interleaved gains

Smaragdis, P., Jul 1 2009, In : IEEE Transactions on Audio, Speech and Language Processing. 17, 5, p. 966-973 8 p., 5067415.

Research output: Contribution to journalArticle

Signal sampling
Signal distortion
dynamic range
Sampling
sampling

Hidden Markov and Gaussian mixture models for automatic call classification

Brown, J. C. & Smaragdis, P., Jun 26 2009, In : Journal of the Acoustical Society of America. 125, 6, p. EL221-EL224

Research output: Contribution to journalArticle

marine mammals
whales
animals
Mixture Model
acoustics

Relative-pitch tracking of multiple arbitrary sounds

Smaragdis, P., May 18 2009, In : Journal of the Acoustical Society of America. 125, 5, p. 3406-3413 8 p.

Research output: Contribution to journalArticle

acoustics
shift
recording
Sound
Relative pitch
2008

Probabilistic latent variable models as nonnegative factorizations

Smaragdis, P., Shashanka, M. & Raj, B., Jul 25 2008, In : Computational Intelligence and Neuroscience. 2008, 947438.

Research output: Contribution to journalArticle

Latent Variable Models
Statistical Models
Invariance
Factorization
Probabilistic Model
2007

A framework for secure speech recognition

Smaragdis, P. & Shashanka, M., May 1 2007, In : IEEE Transactions on Audio, Speech and Language Processing. 15, 4, p. 1404-1413 10 p., 4156216.

Research output: Contribution to journalArticle

speech recognition
Speech recognition
privacy
Speech processing
preserving

Convolutive speech bases and their application to supervised speech separation

Smaragdis, P., Jan 1 2007, In : IEEE Transactions on Audio, Speech and Language Processing. 15, 1, p. 1-12 12 p., 4032795.

Research output: Contribution to journalArticle

Factorization
factorization
coding
recording
Decomposition

Position and trajectory learning for microphone arrays

Smaragdis, P. & Boufounos, P., Jan 1 2007, In : IEEE Transactions on Audio, Speech and Language Processing. 15, 1, p. 358-368 11 p., 4032796.

Research output: Contribution to journalArticle

Microphones
microphones
learning
Trajectories
trajectories
2004

Independent component analysis for automatic note extraction from musical trills

Brown, J. C. & Smaragdis, P., May 1 2004, In : Journal of the Acoustical Society of America. 115, 5 I, p. 2295-2306 12 p.

Research output: Contribution to journalArticle

audio data
redundancy
principal components analysis
recording
statistics
Nonnegative Matrices
Deconvolution
Acoustic waves
Non-negative Matrix Factorization
Factorization
1998

Blind separation of convolved mixtures in the frequency domain

Smaragdis, P., Nov 20 1998, In : Neurocomputing. 22, 1-3, p. 21-34 14 p.

Research output: Contribution to journalArticle