Robust Feature Extraction of Speech Via Noise Reduction in Autocorrelation Domain.
Gholamreza FarahaniSeyed Mohammad AhadiMohammad Mehdi HomayounpourPublished in: MRCS (2006)
Keyphrases
- noise reduction
- noisy environments
- speech enhancement
- feature extraction
- signal to noise ratio
- edge preserving
- noise level
- higher order
- noise removal
- edge detection
- edge enhancement
- median filter
- speech recognition
- noise detection
- wiener filter
- noise free
- impulse noise
- feature selection
- feature vectors
- face recognition
- principal component analysis
- wavelet transform
- image processing
- noise filtering
- background noise
- edge preservation
- speech signal
- frequency domain
- non stationary
- feature space
- preprocessing