Voice-Activity Detection Using Long-Term Sub-Band Entropy Measure.
Kun-Ching WangPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2012)
Keyphrases
- entropy measure
- subband
- voice activity detection
- long term
- wavelet transform
- information theoretic
- filter bank
- multiresolution
- wavelet coefficients
- image compression
- noisy environments
- bit rate
- frequency domain
- discrete wavelet transform
- feature vectors
- high frequency
- wavelet decomposition
- speech recognition
- locally adaptive
- wavelet domain
- low frequency
- low pass
- perfect reconstruction
- image quality
- weight matrix
- contourlet transform
- generalized gaussian density
- image denoising
- feature extraction
- lifting scheme
- pattern recognition
- bayesian networks