Research Article

Dual Key Speech Encryption Algorithm Based Underdetermined BSS

Table 1

Comparison of average values of diagonal elements and upper triangular elements for , and .

Segment Average values of diagonal elementsAverage values of upper triangular elements

, 5365.351.3775876.29−0.52124914.51.4676488.40.087
, 2682.70.6888438.15−0.26062281.40.5392163.10.170
, 1343.960.0645219.08−0.13031092.60.100257.990.051