Automatic gain control with integrated signal enhancement for specified target and background-noise levels
Akihiko Sugiyama, Ryoji Miyahara
Abstract
This paper proposes automatic gain control with integrated signal enhancement for specified target and background-noise levels. The input signal is separated into a target signal and background noise by signal enhancement. The processing gains for the target and the noise are calculated from their estimated magnitudes and desirable output levels. After independent amplification/attenuation of the target signal and the noise, they are summed up to construct the output signal with their specified levels. Because of independent gain control, a more suitable signal for user needs can be obtained. Evaluation results demonstrate that the proposed gain control provides as much as 6 dB better gain than a commercial voice recorder with comparable signal quality.
BibTeX
@inproceedings{icassp2017_automaticgaincon,
title = {Automatic gain control with integrated signal enhancement for specified target and background-noise levels},
author = {Akihiko Sugiyama and Ryoji Miyahara},
booktitle = {ICASSP 2017},
year = {2017}
}