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Paper: Link / Code: Link
This is the demo page for DExter: Diffusion-based Expressive performance generat(o)r, where we show samples of conditional and unconditioned rendering with perceptual-inspired features, as well as controlled ablation studies. The name also echos “dexterity”, one of the crucial qualities of human masters’ hands that enables the most fine-grained control over individual notes, which our models strive to achieve as well.
In the following figures, we plot the tempo curve (tem_curve), velocity curve (vel_curve), histogram distribution of pitch_timing correlation (asy.p cor) and histogram distribution of key overlap ratio as a measure of articulation (art.kor). They provides a good visualization of validity of our attributes for evaluation: The red shaded curves come from the human ground truth performances and serve as a reference in which our generated attributes seek to align.
VirtuosoNet
VN_Beethoven_Piano_Sonatas_11-1.wav
Basis Mixer
BM_Beethoven_Piano_Sonatas_11-1_.wav
DExter
DX_Beethoven_Piano_Sonatas_11-1.wav
GT1
5227_Beethoven_Piano_Sonatas_11-1.wav
GT2
5267_Beethoven_Piano_Sonatas_11-1.wav
GT3
5247_Beethoven_Piano_Sonatas_11-1_.wav
GT4
5267_Beethoven_Piano_Sonatas_11-1_.wav
VirtuosoNet
Basis Mixer
DExter
GT1
1553_Chopin_Etudes_op_10_4_.wav
GT2
1601_Chopin_Etudes_op_10_4_.wav
GT3
1565_Chopin_Etudes_op_10_4_.wav
GT4
1577_Chopin_Etudes_op_10_4_.wav
DExter
DX_Schubert_Impromptu_op.90_D.899_2_.wav
GT1
6435_Schubert_Impromptu_op.90_D.899_2_.wav
GT2
6469_Schubert_Impromptu_op.90_D.899_2_.wav
DExter
GT1
GT2
DExter
GT1
GT2
DExter
10_Beethoven_Piano_Sonatas_3-1_.wav
GT1
4516_Beethoven_Piano_Sonatas_3-1_.wav
GT2
4539_Beethoven_Piano_Sonatas_3-1_.wav
DExter
GT1
GT2
DExter
GT1
GT2