Underdetermined Separation of Speech Mixture Based on Sparse Bayesian Learning

Table 2

Performance comparison of different algorithms.

	Basis pursuit [24]	Sparse Bayesian	Proposed method	With known mixing matrix
Mixing matrix =
Average SAR of	9.6	9.7	9.9	10.8
Average SDR of	7.2	7.2	7.3	8.1
Average SIR of	13.4	13.4	13.8	14.5
Mixing matrix =
Average SAR of	6.9	6.9	7.0	7.7
Average SDR of	5.2	5.2	5.2	6.1
Average SIR of	11.8	11.8	12.1	13.4