Noise reduction in biomedical speech signal processing based on time and frequency Kalman filtering combined with spectral subtraction.
Leandro Aureliano da SilvaMarcelo Basílio JoaquimPublished in: Comput. Electr. Eng. (2008)
Keyphrases
- noise reduction
- kalman filtering
- spectral subtraction
- speech enhancement
- signal to noise ratio
- signal processing
- hearing aids
- kalman filter
- speech signal
- noisy environments
- noise removal
- edge detection
- speech recognition
- edge preserving
- wiener filter
- median filter
- image processing
- noise level
- single channel
- multi frame
- pattern recognition
- filter bank
- denoising algorithm
- automatic speech recognition
- particle filtering
- background noise
- filtering algorithm
- linear prediction
- image restoration
- hidden markov models
- image sequences