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Audio Tools for Music Discovery

Audio Tools for Music Discovery. Dr. Michael Casey Goldsmiths College Centre for Cognition Computation Culture. Music Discovery. Find recurring themes / progressions Musical quotation Chord progression Leitmotif. Quotation / Sampling. Auto Mashups…. Similar?. Madonna, “Borderline”.

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Audio Tools for Music Discovery

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  1. Audio Tools for Music Discovery Dr. Michael Casey Goldsmiths College Centre for Cognition Computation Culture

  2. Music Discovery • Find recurring themes / progressions • Musical quotation • Chord progression • Leitmotif

  3. Quotation / Sampling

  4. Auto Mashups… Similar? Madonna, “Borderline” Abba, “Dancing Queen” Abba, “Dancing Queen” Transpose + Tempo change Mashup Matching with Transpose + Tempo change

  5. Leitmotif Nature

  6. Leitmotif Nature Nature2

  7. Leitmotif: theme as chord progression Nature Rhinen

  8. Chroma Sequence

  9. MP7C – Audio Feature Extractor Constant-Q Power Spectrum DCT / CHROMA LFCC / CHROMA

  10. Matched Filter

  11. Matched Filter

  12. Repeated Theme Retrieval

  13. Retrieval Performance

  14. Retrieval Efficiency:Kd-Tree vs. LSH

  15. Comparison of MF and DTW

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