Selection of the Best Wavelet Packet Nodes Based on Mutual Information for Speaker Identification.
Rafael FernándezAna MontalvoJosé R. CalvoGabriel HernándezPublished in: CIARP (2008)
Keyphrases
- wavelet packet
- mutual information
- speaker identification
- denoising
- wavelet packet transform
- filter bank
- subband
- speech signal
- speech recognition
- wavelet packet decomposition
- gaussian mixture model
- similarity measure
- noisy environments
- feature extraction
- broadcast news
- wavelet transform
- wavelet decomposition
- feature selection
- multiresolution
- frequency band
- non stationary
- audio features
- maximum likelihood
- neural network
- image data
- computational complexity