This paper describes a hybrid gain function for single-channel acoustic noise suppression systems. The proposed gain function consists of Wiener filter and Minimum Mean Square Error – Log Spectral Amplitude estimator (MMSE-LSA) gain functions and selects the respective gain values accordingly. Objective evaluation using a composite measure shows the hybrid gain function yields better results over using either of the two functions alone.

Authors: Sun, Xuejing; Yen, Kuan-Chieh
Affiliation: Cambridge Silicon Radio (CSR), Auburn Hills, MI, USA
AES Convention: 128 (May 2010) Paper Number: 8135
Publication Date: May 1, 2010 Import into BibTeX
Subject: Audio Processing—Music and Speech Signal Processing
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=15432

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