Feature extraction technique using ERB like wavelet sub-band periodic and aperiodic decomposition for TIMIT phoneme recognition.
Astik BiswasPrakash Kumar SahuAnirban BhowmickMahesh ChandraPublished in: Int. J. Speech Technol. (2014)
Keyphrases
- subband
- wavelet transform
- phoneme recognition
- feature extraction
- hidden markov models
- wavelet packet
- wavelet coefficients
- wavelet decomposition
- feature vectors
- filter bank
- speech corpus
- wavelet domain
- frequency domain
- image compression
- multiresolution
- high frequency
- lifting scheme
- discrete wavelet transform
- speaker dependent
- audio signal
- low frequency
- low pass
- multiscale
- wavelet filters
- speaker identification
- automatic speech recognition
- perfect reconstruction
- bit rate
- dual tree
- image classification
- contourlet transform
- wavelet subbands
- image processing
- speech recognition
- principal component analysis
- speaker verification
- feature space
- generalized gaussian density
- texture analysis
- extracted features
- pattern recognition
- face recognition
- feature set
- rotation invariant
- audio visual
- gabor filters
- image quality
- denoising
- image data