Table 1.

Center frequencies and bandwidths, expressed in hertz, for each of three experimental vocoder systems.

Channels	Parameters	Band values
6	CF	180	446	885	1609	2803	4773
	BW	201	331	546	901	1487	2453
12	CF	124	224	353	519	731	1005	1355	1806	2385	3128	4084	5310
	BW	88	113	145	186	239	307	395	507	651	836	1074	1379
24
Bands 1–12	CF	101	145	194	251	315	387	469	562	668	787	923	1077
	BW	41	47	53	60	68	77	87	99	112	127	144	163
Bands 13–24	CF	1251	1448	1671	1925	2212	2538	2906	3324	3798	4335	4944	5634
	BW	185	210	238	269	305	346	392	444	503	571	647	733

CF=center frequency of channel and BW=bandwidth of channel.