[Audio processing] Harmonic change detection function (HCDF)时间：2022-03-16 22:46:05Harmonic change detection function (HCDF) 是根据 Tonal Centroid (TC)实现的，首先TC如何提取？ Step 1. 提取PCP特征 Step 2. 根据协和度的概念，给出3*2向量的计算方法
![[Audio processing] Harmonic change detection function (HCDF)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhBdmFXMWhaMlZ6TWpBeE5TNWpibUpzYjJkekxtTnZiUzlpYkc5bkx6ZzRNamsxT0M4eU1ERTJNRE12T0RneU9UVTRMVEl3TVRZd016RTJNVE0xTURBMU1ESXhMVFEyTlRjNU9URTFNeTV3Ym1jPS5qcGc%3D.jpg?w=700&webp=1 "[Audio processing] Harmonic change detection function (HCDF)")
![[Audio processing] Harmonic change detection function (HCDF)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhBdmFXMWhaMlZ6TWpBeE5TNWpibUpzYjJkekxtTnZiUzlpYkc5bkx6ZzRNamsxT0M4eU1ERTJNRE12T0RneU9UVTRMVEl3TVRZd016RTJNVE0xTURJME5qa3pMVEV6TURRM01USTFOREF1Y0c1bi5qcGc%3D.jpg?w=700&webp=1 "[Audio processing] Harmonic change detection function (HCDF)")
![[Audio processing] Harmonic change detection function (HCDF)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhBdmFXMWhaMlZ6TWpBeE5TNWpibUpzYjJkekxtTnZiUzlpYkc5bkx6ZzRNamsxT0M4eU1ERTJNRE12T0RneU9UVTRMVEl3TVRZd016RTJNVE0xTVRNeE5ERXlMVEkyT1RnNU9UTTRNUzV3Ym1jPS5qcGc%3D.jpg?w=700&webp=1 "[Audio processing] Harmonic change detection function (HCDF)")
