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Evaluation of Nonlinear Tempo Modification Methods Based on Sinusoidal Modeling

  • Kosuke NakamuraEmail author
  • Yuya Chiba
  • Takashi Nose
  • Akinori Ito
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 82)

Abstract

Modifying tempo of musical signal is one of the basic signal processing for music signal, and many methods have been proposed so far. Nishino et al. proposed a tempo modification method of nonlinear modification based on sinusoidal model, but the evaluation of the methods was insufficient. In this paper, we evaluated the tempo modification methods with sinusoidal model and nonlinear signal stretch and compression. Namely, we compared effectiveness of use of residue signal and methods of determination of stretchable parts. From the experimental result, we could confirm the efficiency of the nonlinear tempo modification. We also compared several methods of determining the stretchable parts as well as the use of residue signal. As a result, the effect of the methods depended on the input signal.

Keywords

Music signal processing Tempo modification Sinusoidal model 

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Kosuke Nakamura
    • 1
    • 2
    Email author
  • Yuya Chiba
    • 1
    • 2
  • Takashi Nose
    • 1
    • 2
  • Akinori Ito
    • 1
    • 2
  1. 1.Faculty of EngineeringTohoku UniversitySendaiJapan
  2. 2.Graduate School of EngineeringTohoku UniversitySendaiJapan

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