Table 2 The measurements of statistical metrics for different voice samples.

From: A comprehensive study of the novel 4D hyperchaotic system with self-exited multistability and application in the voice encryption

Voice

PRD

SNR

Correlation (cc)

Voice-1

1.2366e + 05

-61.8448

0.0005

Voice-2

1.5318e + 05

-63.7043

0.0011

Voice-3

1.6546e + 05

-64.3737

0.0013

Voice-4

1.4497e + 05

-63.2255

0.001

Voice-5

1.4331e + 05

-63.1255

0.0014

Voice-6

1.4320e + 05

-63.1189

0.0016

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