A Novel Piano Arrangement Timbre Intelligent Recognition System Using Multilabel Classification Technology and KNN Algorithm

Table 1

Single-tone classification results of musical instruments based on different timbre features.

Dataset number	Frequency domain characteristics	Time domain characteristics	MFCC	Timbre expression spectrum
1	43.2	62.1	87.4	91.5
2	25.6	37.4	95.2	90.2
3	22.1	52.1	78.4	75.6
4	40.6	49.3	94.1	88.5
5	23.9	47.7	92.6	91.6