detecting mood from audio pieces

machine learning pattern classfication class SS2021

  • prediction of valence and arousal

task 2

  • how reliable / consistent are emotion annotations, how strongly do they agree / disagree?
  • how is the agreement connected to major or minor features?
  • how would you derive discrete quadrant-based classes from the raw annotatins?
  • how would you deal with outliers in the annotations?
  • how are the features distributed?
  • are there pairs of features that are correlated, or features that seem like they will be obviously useful?