Melody Track Selection Using Discriminative Language Model

  • Authors:
  • Xiao Wu;Ming Li;Hongbin Suo;Yonghong Yan

  • Affiliations:
  • -;-;-;-

  • Venue:
  • IEICE - Transactions on Information and Systems
  • Year:
  • 2008

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Abstract

In this letter we focus on the task of selecting the melody track from a polyphonic MIDI file. Based on the intuition that music and language are similar in many aspects, we solve the selection problem by introducing an n-gram language model to learn the melody co-occurrence patterns in a statistical manner and determine the melodic degree of a given MIDI track. Furthermore, we propose the idea of using background model and posterior probability criteria to make modeling more discriminative. In the evaluation, the achieved 81.6% correct rate indicates the feasibility of our approach.