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Table 1 Quantitative evaluations on the validation set (515 tunes). The values closest to the ground truth are bolded

From: Generating chord progression from melody with flexible harmonic rhythm and controllable harmonic density

Methods

Accuracy

Chord progression

Melody/chord harmonicity

Harmonic rhythm

CC

CHE

CTD

CTnCTR

PCS

MCTD

HRC

HRHE

CBS

Ground truth

1.0000

12.0603

2.0582

1.0653

0.8476

0.4975

1.1525

5.7626

1.1877

2.6024

AH-0.5

0.3087

5.0914

1.3477

1.1864

0.9054

0.5590

1.1252

5.9027

1.3965

2.8904

AH-0.6

0.3142

5.7101

1.4353

1.1769

0.9030

0.5723

1.1076

5.9397

1.3494

2.8668

AH-0.7

0.3111

6.4163

1.5227

1.1584

0.8979

0.5775

1.1011

6.0233

1.2901

2.8310

AH-0.8

0.3088

7.3152

1.6267

1.1289

0.8916

0.5773

1.1016

6.1031

1.2451

2.7758

AH-0.9

0.2890

8.6420

1.7555

1.0911

0.8797

0.5712

1.1038

6.1770

1.1910

2.6572

CGSM

0.2822

5.9883

1.3619

0.7814

0.9077

0.6224

1.0901

1.2354

0.0459

2.9892

STHarm

0.0885

9.8051

1.5723

0.6331

0.6184

0.2604

1.3285

1.0000

0.0000

2.5000

VTHarm

0.0928

13.5588

2.2083

0.8367

0.6063

0.2686

1.3364

1.0000

0.0000

2.5000