WASET
    Taro Matsuno and  Yuta Otani and  Ryo Tanaka and  Kaori Ikezaki and  Hitoshi Yamamoto and  Masaru Fujieda and  Yoshihisa Ishida,  Enhanced Parallel-Connected Comb Filter Method for Multiple Pitch Estimation.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2009, vol. 36(12). 2385 - 2388
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/9081.