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Table 2 SNR and PSNR tests

From: Speech encryption using chaotic shift keying for secured speech communication

S.No

Speech sample

Duration in seconds

SNR in dB

PSNR in dB

1.

Audio1.wav

7

33.7464

59.7989

2.

Audio2.wav

8

32.5781

59.2281

3.

Audio3.wav

5

33.0569

59.6304

4.

Audio4.wav

3

34.7112

62. 3189