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EURASIP Journal on Audio, Speech, and Music Processing

Table 3 Algorithm notation

From: Online/offline score informed music signal decomposition: application to minus one

Abbr.

Description

Trained parameters

Separation stage

   

Free parameters

Fixed parameters

scoreFree

E is initialized from the MIDI score and set as a free parameter in the separation stage. A is initialized to random values.

S

E, A

S

scoreFree-DTWoff

E is initialized from the MIDI score and set as a free parameter in the separation stage. A is initialized to the output path of the offline DTW.

S

E, A

S

scoreSynthFree

E is initialized from the synthesized MIDI score and set as a free parameter in the separation stage. A is initialized to random values.

S, E

E, A

S

scoreSynthFree-DTWoff

E is initialized from the synthesized MIDI score and set as a free parameter in the separation stage. A is initialized to the output path of the offline DTW.

S, E

E, A

S

scoreSynthFix

E is initialized from the synthesized MIDI score and kept fixed in the separation stage. A is initialized to random values.

S, E

A

S, E

scoreSynthFix-DTWoff

E is initialized from the synthesized MIDI score and kept fixed in the separation stage. A is initialized to the output path of the offline DTW.

S, E

A

S, E

scoreSynthFix-DTWon

E is initialized from the synthesized MIDI score and kept fixed in the separation stage. A is initialized to the output path of the online DTW.

S, E

A

S, E

GT

E is initialized from the synthesized MIDI score and set as a free parameter in the separation stage. A is initialized using a hard prior from the ground-truth annotated score.

S, E

E, A

S

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