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스펙트로그램 상의 직교성을 이용한 음성분리에 관한 연구

Title
스펙트로그램 상의 직교성을 이용한 음성분리에 관한 연구
Authors
장혁준
Date Issued
2010
Publisher
포항공과대학교
Abstract
In many cases where there are acoustic interferences, methods to extract a target speech should be used for various purposes including robust speech recognition. In this study, we suggest a source separating method using an orthogonality on time-frequency domain. We sampled some unbiased different speeches and measured their orthogonal properties. From these properties, we derived a relation equation between sources and mixture inputs and constructed a source separation algorithm using the relationship. Our algorithm adaptively takes and combines some existing methods. Experimental section represents that our algorithm has superior performance to some conventional methods.
URI
http://postech.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000000546517
http://oasis.postech.ac.kr/handle/2014.oak/577
Article Type
Thesis
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