Acoustic noise reduction by two dimensional spectral smoothing and spectral amplitude transformation.

Yasuo Ariki K. Kajimoto Toshiyuki Sakai

Published in: ICASSP (1986)

Keyphrases

noise reduction
signal to noise ratio
noise removal
edge preserving
spectral analysis
median filter
nonlinear diffusion
wiener filter
edge enhancement
image analysis
edge detection
noise level
noise filtering
speech enhancement
edge preserving smoothing
hearing aids