IMPORTANCE FUNCTIONS FOR CONNECTED SPEECH TEST (CST):							

Table B.1		Table B.2		Table B.3 	
Critical band		One-third ocatve band	Octave band

Band	Importance	Band	Importance	Band	Importance
1	0.0654		1	0.0131		1	0.0928
2	0.0603		2	0.0168		2	0.186
3	0.0707		3	0.0255		3	0.1599
4	0.0556		4	0.0374		4	0.2984
5	0.0404		5	0.0637		5	0.1788
6	0.0299		6	0.0694		6	0.0842
7	0.0307		7	0.0529			
8	0.0494		8	0.0374			
9	0.0571		9	0.0441			
10	0.0677		10	0.0784			
11	0.0671		11	0.1035			
12	0.0644		12	0.1023
13	0.0611		13	0.0926
14	0.0529		14	0.0738
15	0.049		15	0.0596
16	0.0448		16	0.0454
17	0.0376		17	0.0365
18	0.0322		18	0.0477
19	0.026			
20	0.0231			
21	0.0146			

NOTE				
For the test description, see references 1-3.  For the derivation of the importance function, see reference 4.				
The importance function is appropriate for the audio compact disc recording of the CST produced by The University
of Memphis Hearing Aid Research Laboratory (HARL) and the Department of Veterans Affairs Rehabilitation Research 
and Development Service.				

REFERENCES		
1	"Cox, R.M,, Alexander, G.C. (1987): Development of the connected speech test (CST)."	
		"Ear Hear. 8 (Supplement), 119S-126S."
2	"Cox, R.M,, Alexander, G.C., Gilmore, C., Pusakulich, K.M. (1988)."	
		Use of the connected speech test (CST) with hearing-impaired listeners.
		"Ear Hear. 10, 29-32"
3	"Cox, R.M,, Alexander, G.C., Gilmore, C., Pusakulich, K.M. (1989)."	
		The connected speech test version 3: audiovisual administration.
		"Ear Hear. 23, 385-398"
4	"Sherbecoe, R.L., Studebaker, G.A. (2002). Audibility-index functions for the Cpnnected speech test."	
		"Ear Hear. 23, 385-398"