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    • 17. 发明申请
    • METHOD AND SYSTEM FOR SEPARATING MUSICAL SOUND SOURCE
    • 用于分离音乐声源的方法和系统
    • US20110054848A1
    • 2011-03-03
    • US12855194
    • 2010-08-12
    • Min Je KIMSeungjin CHOIJiho YOOKyeongok KANGInseon JANGJin-Woo HONG
    • Min Je KIMSeungjin CHOIJiho YOOKyeongok KANGInseon JANGJin-Woo HONG
    • H04B15/00
    • G10H1/0008G10H2210/056G10H2240/131
    • Provided is an apparatus of separating a musical sound source, which may re-construct mixed signals into target sound sources and other sound sources directly using sound source information performed using a predetermined musical instrument when the sound source information is present, thereby more effectively separating sound sources included in the mixed signal. The apparatus may include a Nonnegative Matrix Partial Co-Factorization (NMPCF) analysis unit to perform an NMPCF analysis on a mixed signal and a predetermined sound source signal using a sound source separation model, and to obtain a plurality of entity matrices based on the analysis result, and a target instrument signal separating unit to separate, from the mixed signal, a target instrument signal corresponding to the predetermined sound source signal by calculating an inner product between the plurality of entity matrices.
    • 提供了一种分离音乐声源的装置,其可以在存在声源信息时使用预定乐器执行的声源信息直接重新构建混合信号到目标声源和其他声源,从而更有效地分离声音 来源包括在混合信号中。 该装置可以包括使用声源分离模型对混合信号和预定声源信号执行NMPCF分析的非负矩阵部分因子分解(NMPCF)分析单元,并且基于分析获得多个实体矩阵 结果和目标仪器信号分离单元,通过计算多个实体矩阵之间的内积,从混合信号中分离出与预定声源信号对应的目标仪器信号。