Nonacoustic Sensor Speech Enhancement Based on Wavelet Packet Entropy.
Sheng LiJianqi WangXiJing JingTian LiuPublished in: CSIE (6) (2009)
Keyphrases
- wavelet packet
- speech enhancement
- noise reduction
- noisy environments
- denoising
- filter bank
- single channel
- subband
- signal to noise ratio
- linear prediction
- speech signal
- wavelet decomposition
- wiener filter
- wavelet transform
- non stationary
- image coding
- frequency band
- smoothing algorithm
- speech recognition
- vocal tract
- machine learning
- feature vectors
- neural network
- high frequency
- edge detection
- edge preserving
- multi channel
- data structure
- multiresolution
- background noise
- image processing
- natural images