Improved wavelet based a-priori SNR estimation for speech enhancement.
Daniel Pak-Kong LunTai-Chiu HsungPublished in: ISCAS (2010)
Keyphrases
- speech enhancement
- signal to noise ratio
- noise reduction
- noisy environments
- single channel
- speech signal
- linear prediction
- vocal tract
- multiresolution
- prior knowledge
- background noise
- additive noise
- speech recognition
- non stationary
- wavelet transform
- multi channel
- feature extraction
- image sequences
- pattern recognition
- coding scheme
- wiener filter