An effective subband OSF-based VAD with noise reduction for robust speech recognition.
Javier RamírezJosé C. SeguraM. Carmen BenítezÁngel de la TorreAntonio J. RubioPublished in: IEEE Trans. Speech Audio Process. (2005)
Keyphrases
- noisy environments
- noise reduction
- speech recognition
- subband
- voice activity detection
- filter bank
- speech enhancement
- wavelet transform
- speaker identification
- image compression
- multiresolution
- signal to noise ratio
- noise level
- bit rate
- edge preserving
- feature vectors
- speech signal
- edge detection
- high frequency
- automatic speech recognition
- background noise
- linear prediction
- hidden markov models
- wavelet decomposition
- frequency domain
- pattern recognition
- language model
- low pass
- noise removal
- wavelet domain
- wavelet coefficients
- low frequency
- discrete wavelet transform
- speech synthesis
- image coding
- wiener filter
- computational complexity
- high quality
- frequency band
- wavelet packet
- spatial domain
- probabilistic model
- machine learning
- image quality
- image restoration