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Music data is
           scary & beautiful & exciting

           Brian Whitman
           @bwhitman

           co-Founder & CTO, The Echo Nest
           @echonest

Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
1995          2006          2011?




                          1999   2004          2009



Tuesday, March 29, 2011
care




                                 nice




Tuesday, March 29, 2011
Tuesday, March 29, 2011
25
                                                                                                                                                   4



                                     auditory spectrogram
                                                                                                                                               x 10
                                                            20
                                                                                                                                          2
                                                            15

    auditory spectrogram                                    10
                                                                                                                                          1

                                                                                                                                          0
                                                                5


                                                                1
                                                                                                                                        ! -1
                                                                                                                                                                                                             beat markers
                                                                 0        0.5       1            1.5             2 sec.
                                                             1

                                                                                                                                        ! -2
                                                            0.8
                                                                                                                                            0               5    10         15         20         25
                                     segmentation




                                                            0.6
                                                                                                                                        240
                          segments                          0.4                                                                         190

                                                            0.2                                                                         143

                                                             0                                                                          114
                                                            B
                                                                  0       0.5       1            1.5             2 sec.
                                                                                                                                         96                                                                   tempogram
                                                            A#
                                                            A
                                                                                                                                        72
                                     pitch features




                                                            G#
                                                            G
                                                                                                                                         60
                 pitch features                                                                                                                0            5    10         15         20         25
                                                            F#
                                                            F
                                                            E                                                                             1
                                                            D#
                                                            D
                                                            C#                                                                          0.8
                                                            C
                                                                  0       0.5       1            1.5             2 sec.
                                                                                                                                        0.6
                                                            25


                                                            20
                                                                                                                                        0.4                                                                  tempo spectrum
                                     timbre features




                                                            15
                                                                                                                                        0.2
              timbre features                               10                                                                            0
                                                                                                                                           60          72       96    114        143        190        240
                                                             5


                                                             1
                                                                      2   4     6       8   10         12   14            16 segments




Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
The industry is always watching.
                          They make invisible decisions from invented data.




Tuesday, March 29, 2011
A 5MB song unpacks 100MB of information about itself




Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
                          Music Acquisition (2001-)
Tuesday, March 29, 2011
The unintended power of APIs




Tuesday, March 29, 2011
Music Hack Days




Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Tuesday, March 29, 2011
Developers are the future of music




Tuesday, March 29, 2011
006                              2011




                          2009          201X...



Tuesday, March 29, 2011
Tuesday, March 29, 2011

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Music data is scary, beautiful and exciting