A robust mel-scale subband voice activity detector for a car platform.
Agustín Álvarez MarquinaRafael MartínezPedro GómezVictor Nieto LluisV. RodellarPublished in: INTERSPEECH (2007)
Keyphrases
- subband
- wavelet transform
- filter bank
- image compression
- bit rate
- wavelet coefficients
- high frequency
- multiresolution
- subband coding
- wavelet decomposition
- feature vectors
- discrete wavelet transform
- wavelet domain
- locally adaptive
- low pass
- low frequency
- frequency domain
- wavelet packet
- subband decomposition
- adaptive wavelet
- reconstruction error
- wavelet coding
- non subsampled contourlet transform
- image coder
- multiscale
- computationally efficient
- linear prediction
- lifting scheme
- perfect reconstruction
- directional information
- data compression
- scale space
- feature selection