Table 1.

Number table of segmented mean dimension reduction and regular parameters of speech characteristic parameters.

Parameter condition	Stage
	I	II	III	IV	V	VI
Matrix size	T∗K	(T/N)∗K	(T/(M∗N))∗K	([T/(M∗N)]∗[1/T/(M∗N)])∗K	M∗K	(M∗N)∗K
Number of parameters	T∗K	T∗K	T∗K	K∗M∗N	K∗M∗N	K∗M∗N