Nonnegative signal factorization with learnt instrument models for sound source separation in close-microphone recordings

EURASIP Journal on Advances in Signal Processing

Table 1 Multichannel source separation results measured using PEASS toolkit

Algorithms	Inst	SDR	SAR	SIR	ISR	qTarget	qInterf	qArtif	qGlobal	OPS	TPS	IPS	APS
	Ba	12.00	23.36	12.83	24.73	0.98	0.88	0.95	0.79	36.63	78.07	56.85	29.50
Default	Cl	10.75	22.42	11.56	24.42	0.98	0.83	0.94	0.74	32.60	78.13	49.17	25.20
	Sx	11.96	23.27	12.76	25.36	0.99	0.94	0.98	0.91	41.46	66.81	60.16	63.88
	Vi	12.72	25.87	13.23	27.92	1.00	0.92	0.99	0.91	13.48	54.76	46.82	86.13
	Ba	17.03	36.49	20.13	20.49	0.98	0.96	1.00	0.96	26.78	59.50	73.25	81.87
Ideal separation	Cl	21.89	42.07	24.86	25.59	0.99	0.96	1.00	0.95	22.20	54.19	70.18	83.68
	Sx	20.11	38.82	23.18	23.75	1.00	0.98	1.00	0.98	74.20	74.40	90.10	86.74
	Vi	21.77	39.90	24.40	25.63	0.99	0.99	1.00	0.99	86.17	90.06	91.53	85.92
	Ba	14.98	35.26	15.59	25.96	0.97	0.90	1.00	0.86	9.51	39.83	28.58	69.08
Oracle IMM	Cl	16.58	34.45	16.87	29.88	0.98	0.84	1.00	0.81	8.53	38.63	16.12	77.81
	Sx	17.61	34.57	18.60	26.08	0.99	0.95	1.00	0.93	15.83	51.82	58.97	86.26
	Vi	19.28	36.23	19.81	30.79	1.00	0.95	1.00	0.95	25.76	53.67	67.97	86.36
	Ba	14.96	33.95	16.15	22.56	0.96	0.90	1.00	0.86	9.45	40.33	28.86	62.84
Direct β 1.3	Cl	16.61	34.58	16.96	29.09	0.98	0.85	1.00	0.82	8.59	37.16	17.46	75.61
instant mask	Sx	16.44	33.54	19.73	20.71	0.99	0.96	1.00	0.93	15.42	56.24	57.96	82.72
	Vi	19.25	35.19	20.71	26.44	0.99	0.96	1.00	0.95	30.30	56.48	70.83	85.91
	Ba	14.02	32.53	18.65	15.77	0.99	0.88	1.00	0.87	10.41	46.35	30.90	82.24
Kokkinis [3]	Cl	16.77	34.77	19.92	19.33	0.99	0.87	0.99	0.85	9.14	49.61	24.14	83.39
	Sx	15.46	31.93	18.90	17.86	1.00	0.96	1.00	0.96	27.28	53.77	73.45	86.74
	Vi	16.58	33.40	20.77	18.52	0.99	0.96	1.00	0.95	30.75	55.54	72.55	85.92