TABLE I.

Short-time objective intelligibly (STOI) values for speech embedded in (unprocessed), and segregated from (processed), babble and cafeteria noise, at the SNRs indicated. Also shown are hit minus false-alarm (HIT − FA) and false alarm (FA) rates for the IRM estimated by the algorithm.

	Babble			Cafeteria Noise
	Unprocessed STOI	Processed STOI	HIT − FA (FA)	Unprocessed STOI	Processed STOI	HIT − FA (FA)
5 dB	0.783	0.908	79% (12%)	0.761	0.889	84% (7%)
0 dB	0.668	0.856	78% (9%)	0.651	0.820	78% (6%)
−2 dB	0.616	0.830	76% (9%)	0.604	0.778	75% (6%)
−5 dB	0.548	0.783	72% (8%)	0.544	0.697	66% (8%)