Separating stereo audio mixture having no phase difference by convex clustering and disjointness map

Atsushi Hiruma, Kohei Yatabe, Yasuhiro Oikawa

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    3 Citations (Scopus)

    Abstract

    In this paper, a method of constructing binary masks for stereo source separation is proposed. The proposed method consists of two main factors: (1) Disjointness map, and (2) convex directional clustering. The disjointness map quantifies the degree of mixing at each time-frequency bin based on instantaneous frequencies. This map enables to effectively utilize phase information which is usually omitted in stereo music separation. Then, the convex clustering utilizes flexible definitions of adjacency of the time-frequency bins for incorporating more information into directional clustering. Experimental results indicate that the proposed method can obtain a mask closer to the ideal one than the conventional directional clustering.

    Original languageEnglish
    Title of host publication16th International Workshop on Acoustic Signal Enhancement, IWAENC 2018 - Proceedings
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages266-270
    Number of pages5
    ISBN (Electronic)9781538681510
    DOIs
    Publication statusPublished - 2018 Nov 2
    Event16th International Workshop on Acoustic Signal Enhancement, IWAENC 2018 - Tokyo, Japan
    Duration: 2018 Sep 172018 Sep 20

    Other

    Other16th International Workshop on Acoustic Signal Enhancement, IWAENC 2018
    CountryJapan
    CityTokyo
    Period18/9/1718/9/20

    Keywords

    • Convex clustering
    • Graph adjacency matrix
    • Phase
    • Time-frequency masking
    • Weighted undirected graph

    ASJC Scopus subject areas

    • Signal Processing
    • Acoustics and Ultrasonics

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  • Cite this

    Hiruma, A., Yatabe, K., & Oikawa, Y. (2018). Separating stereo audio mixture having no phase difference by convex clustering and disjointness map. In 16th International Workshop on Acoustic Signal Enhancement, IWAENC 2018 - Proceedings (pp. 266-270). [8521350] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IWAENC.2018.8521350