A New Method for Tracking Modulations in Tonal Music in Audio Data Format

  title={A New Method for Tracking Modulations in Tonal Music in Audio Data Format},
  author={Hendrik Purwins and Benjamin Blankertz and Klaus Obermayer},
Cq-profiles are 12-dimensional vectors, each component referring to a pitch class. They can be employed to represent keys. Cq-profiles are calculated with the constant Q filter bank [4]. They have the following advantages: (i) They correspond to probe tone ratings. (ii) Calculation is possible in real-time. (iii) Stability is obtained with respect to sound quality. (iv) They are transposable. By using the cq-profile technique as a simple auditory model in combination with the SOM [11] an… CONTINUE READING
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