Improved voice activity detection combining noise reduction and subband divergence measures.
Javier RamírezJosé C. SeguraM. Carmen BenítezÁngel de la TorreAntonio J. RubioPublished in: INTERSPEECH (2004)
Keyphrases
- noise reduction
- subband
- noisy environments
- voice activity detection
- filter bank
- image compression
- wavelet transform
- signal to noise ratio
- edge preserving
- wavelet coefficients
- bit rate
- multiresolution
- wavelet decomposition
- feature vectors
- high frequency
- edge detection
- low pass
- locally adaptive
- subband coding
- low frequency
- median filter
- noise level
- discrete wavelet transform
- frequency domain
- subband decomposition
- wavelet domain
- image coding
- wavelet packet
- frequency band
- image coder
- wavelet subbands
- multiscale
- bilateral filter
- denoising algorithm
- linear prediction
- high pass
- speech recognition
- compression algorithm
- feature extraction