Online speech source separation in meeting scene with time-varying weights of noise covariance matrices.
Masahito TogamiKoichi HoriPublished in: SAPA@INTERSPEECH (2010)
Keyphrases
- covariance matrices
- source separation
- covariance matrix
- maximum likelihood
- vector space
- blind source separation
- independent component analysis
- audio features
- single channel
- gaussian distribution
- distance measure
- noise level
- gaussian mixture model
- speech recognition
- noise reduction
- gaussian mixture
- speech signal
- video sequences
- linear classifiers
- feature vectors
- missing data
- image sequences
- signal to noise ratio
- computer vision
- moving objects
- hidden markov models