Smoothing the acoustic spectral time series of speech signals for noise reduction.
Yan-Tong ChenJian-Yu LinKuan-Yi LiuJeih-weih HungPublished in: ICCE-TW (2019)
Keyphrases
- sound signals
- noise reduction
- sound source
- speech signal
- spectral analysis
- noise removal
- acoustic features
- non stationary
- linear prediction
- speech sounds
- speech enhancement
- spectral subtraction
- edge preserving
- edge preserving smoothing
- speech recognition
- signal to noise ratio
- smoothing algorithm
- noisy environments
- nonlinear diffusion
- edge detection
- noisy speech
- vocal tract
- median filter
- automatic speech recognition
- noise level
- background noise
- wiener filter
- hidden markov models
- formant frequencies
- impulse noise
- autoregressive
- automatic speech recognition systems
- bilateral filter
- signal processing
- wavelet transform
- pattern recognition
- multiscale
- hearing aids
- neural network