Modified Mel Filter Bank to Compute MFCC of Subsampled Speech.
Kiran Kumar BhuvanagiriSunil Kumar KopparapuPublished in: CoRR (2014)
Keyphrases
- filter bank
- cepstral coefficients
- speech recognition
- speech signal
- subband
- image coding
- linear prediction
- wavelet decomposition
- multiresolution
- multiscale
- speaker identification
- perfect reconstruction
- signal processing
- automatic speech recognition
- spectral analysis
- feature vectors
- feature set
- wavelet packet
- speaker recognition
- discrete cosine transform
- wavelet transform
- subband coding
- contourlet transform
- wavelet coefficients
- spatial resolution
- frequency domain
- lifting scheme
- computationally efficient
- hidden markov models
- audio signal
- feature extraction
- wavelet domain
- optimal filter
- quadrature mirror
- low pass
- image processing
- image compression
- wavelet filters
- bit rate
- feature space
- pattern recognition
- high quality
- image segmentation
- additive noise
- audio visual
- high frequency
- mel frequency cepstral coefficients