The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 2013
Filed:
Mar. 31, 2011
Min Je Kim, Daejeon, KR;
IN Seon Jang, Daejeon, KR;
Kyeong OK Kang, Daejeon, KR;
Seung Jin Choi, Gyeongsangbuk-do, KR;
Ji Ho Yoo, Seoul, KR;
Jin Woong Kim, Daejeon, KR;
Min Je Kim, Daejeon, KR;
In Seon Jang, Daejeon, KR;
Kyeong Ok Kang, Daejeon, KR;
Seung Jin Choi, Gyeongsangbuk-do, KR;
Ji Ho Yoo, Seoul, KR;
Jin Woong Kim, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Postech Academy-Industry Foundation, Pohang, KR;
Abstract
A method and apparatus for separating and extracting main sound sources from a mixed musical sound signal are provided. A musical sound source separation apparatus may include an prior information signal compressor to compress an prior information signal including a characteristic of a predetermined sound source, a mixed signal divider to divide a mixed signal including a plurality of sound sources into a plurality of segments, a Nonnegative Matrix Partial Co-Factorization (NMPCF) analyzer to acquire common information shared by the plurality of segments, by applying an NMPCF algorithm to the prior information signal, and a target musical instrument signal separator to separate a target musical instrument signal corresponding to the predetermined sound source from the mixed signal, based on the common information.