Small microphone arrays are desirable for many practical speech processing applications. In this paper, we describe a system for detecting several sound sources in a room and enhancing a predominant target source using a pair of close microphones. The system consists of three main steps: time-frequency processing of the input signals, source localization via model fitting and time-frequency masking for interference reduction. Experiments and results using recorded signals in real scenarios are discussed.
Cobos, Maximo; Lopez, Jose J.; Martinez, David
Affiliation: Universidad Politecnica Valencia, Valencia, Spain
AES Convention: 126 (May 2009) Paper Number: 7707
Publication Date: May 1, 2009
Subject: Audio for Telecommunications
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